Basic assumptions 1 Pairs of electrons in the valence shell of a central atom repel
each other. 2 These pairs of electrons tend to occupy positions in space that minimize repulsions
and maximize the distance of separation between them. 3 The valence shell is taken as a sphere
with electron pairs localizing on the spherical surface at maximum distance from one another. 4
A multiple bond is treated as if it is a single electron pair and the two or three electron pairs of a
multiple bond are treated as a single super pair. 5 Where two or more resonance structures can
depict a molecule the VSEPR model is applicable to any such structure.
Solution
Basic assumptions 1 Pairs of electrons in the valence shell of a central atom repel
each other. 2 These pairs of electrons tend to occupy positions in space that minimize repulsions
and maximize the distance of separation between them. 3 The valence shell is taken as a sphere
with electron pairs localizing on the spherical surface at maximum distance from one another. 4
A multiple bond is treated as if it is a single electron pair and the two or three electron pairs of a
multiple bond are treated as a single super pair. 5 Where two or more resonance structures can
depict a molecule the VSEPR model is applicable to any such structure..
Valence shell electron pair repulsion (VSEPR) theory is a model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms. It is also named the Gillespie-Nyholm theory after its two main developers, Ronald Gillespie and Ronald Nyholm
STEROCHEMISTRY AND BONDING IN MAIN GROUP COMPOUNDS GaurangRami1
Inorganic Chemistry : STEROCHEMISTRY AND BONDING
IN MAIN GROUP COMPOUNDS
Content of chapter:
01. Hybridization
02. VSEPR
03. Walse Diagram
04. Bent Rule
05. Dπ - Pπ Bonds
Valence shell electron pair repulsion (VSEPR) theory is a model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms. It is also named the Gillespie-Nyholm theory after its two main developers, Ronald Gillespie and Ronald Nyholm
STEROCHEMISTRY AND BONDING IN MAIN GROUP COMPOUNDS GaurangRami1
Inorganic Chemistry : STEROCHEMISTRY AND BONDING
IN MAIN GROUP COMPOUNDS
Content of chapter:
01. Hybridization
02. VSEPR
03. Walse Diagram
04. Bent Rule
05. Dπ - Pπ Bonds
Applied Chemistry, atomic and molecular structure, part 1, by Shiraz mahbob PhDMaqsoodAhmadKhan5
applied chemistry lecture and slide,
Applied Chemistry, atomic and molecular structure, part 1, by Shiraz mahbob PhD, lecturer in chemistry in pakistan institute of engineering and applied sciences
2. Ligamentum arteriosumThe aortic arch loops over the left pulmo.pdfmohammadirfan136964
2. Ligamentum arteriosum:
The aortic arch loops over the left pulmonary artery and the bifurcation of the pulmonary trunk,
to which it remains connected by the ligamentum arteriosum, a remnant of the fetal circulation
that is obliterated a few days after birth.
3. Caecum:
The cecum is a pouch-like dead-end passage that branches inferiorly from the end of the ileum
(end part of small intestine). Fecal matter entering the large intestine from the ileum passes into
the cecum before being pushed superiorly into the ascending colon. The appendix is attached to
the inferior end of the cecum and is believed to store beneficial bacteria that help break down
undigested food.
Solution
2. Ligamentum arteriosum:
The aortic arch loops over the left pulmonary artery and the bifurcation of the pulmonary trunk,
to which it remains connected by the ligamentum arteriosum, a remnant of the fetal circulation
that is obliterated a few days after birth.
3. Caecum:
The cecum is a pouch-like dead-end passage that branches inferiorly from the end of the ileum
(end part of small intestine). Fecal matter entering the large intestine from the ileum passes into
the cecum before being pushed superiorly into the ascending colon. The appendix is attached to
the inferior end of the cecum and is believed to store beneficial bacteria that help break down
undigested food..
moles should be equal to complete consumption so v*0.250 = 0.150*0.100 /2 ( 2 is
for - as Pb(NO3)2 gives 2 moles of NO3- when dissociate) so v = 0.03 L ANSWER
Solution
moles should be equal to complete consumption so v*0.250 = 0.150*0.100 /2 ( 2 is
for - as Pb(NO3)2 gives 2 moles of NO3- when dissociate) so v = 0.03 L ANSWER.
More Related Content
Similar to Basic assumptions 1 Pairs of electrons in the va.pdf
Applied Chemistry, atomic and molecular structure, part 1, by Shiraz mahbob PhDMaqsoodAhmadKhan5
applied chemistry lecture and slide,
Applied Chemistry, atomic and molecular structure, part 1, by Shiraz mahbob PhD, lecturer in chemistry in pakistan institute of engineering and applied sciences
2. Ligamentum arteriosumThe aortic arch loops over the left pulmo.pdfmohammadirfan136964
2. Ligamentum arteriosum:
The aortic arch loops over the left pulmonary artery and the bifurcation of the pulmonary trunk,
to which it remains connected by the ligamentum arteriosum, a remnant of the fetal circulation
that is obliterated a few days after birth.
3. Caecum:
The cecum is a pouch-like dead-end passage that branches inferiorly from the end of the ileum
(end part of small intestine). Fecal matter entering the large intestine from the ileum passes into
the cecum before being pushed superiorly into the ascending colon. The appendix is attached to
the inferior end of the cecum and is believed to store beneficial bacteria that help break down
undigested food.
Solution
2. Ligamentum arteriosum:
The aortic arch loops over the left pulmonary artery and the bifurcation of the pulmonary trunk,
to which it remains connected by the ligamentum arteriosum, a remnant of the fetal circulation
that is obliterated a few days after birth.
3. Caecum:
The cecum is a pouch-like dead-end passage that branches inferiorly from the end of the ileum
(end part of small intestine). Fecal matter entering the large intestine from the ileum passes into
the cecum before being pushed superiorly into the ascending colon. The appendix is attached to
the inferior end of the cecum and is believed to store beneficial bacteria that help break down
undigested food..
moles should be equal to complete consumption so v*0.250 = 0.150*0.100 /2 ( 2 is
for - as Pb(NO3)2 gives 2 moles of NO3- when dissociate) so v = 0.03 L ANSWER
Solution
moles should be equal to complete consumption so v*0.250 = 0.150*0.100 /2 ( 2 is
for - as Pb(NO3)2 gives 2 moles of NO3- when dissociate) so v = 0.03 L ANSWER.
TrueOne of the fundamental rules which control the PLSS system is .pdfmohammadirfan136964
True
One of the fundamental rules which control the PLSS system is that the boundaries of the public
land once approved and accepted is unchangeable.
Solution
True
One of the fundamental rules which control the PLSS system is that the boundaries of the public
land once approved and accepted is unchangeable..
The stronger the attractions betweenparticles (molecules or ions), the more difficult
it will be toseparate the particles. When substances melt, the particles arestill close to one
another but the forces of attraction that heldthe particles rigidly together in the solid state have
beensufficiently overcome to allow the particles to move. Whensubstances boil, the particles are
completely separated from oneanother and the attractions between molecules are
completelyovercome. The energy required to cause substances to melt and toboil, and thus
disrupt the forces of attraction, comes from theenvironment surrounding the material. If you
place a piece of icein your hand, the ice will melt more quickly than if it is placedon a cold
counter top. The energy required to melt the ice comesfrom your hand, your hand gets colder and
the ice gets warmer. for ice melting hydrogen bonding for sublimation of ice London
forcesAmmoniavaporisation having hydrogen bonding
Solution
The stronger the attractions betweenparticles (molecules or ions), the more difficult
it will be toseparate the particles. When substances melt, the particles arestill close to one
another but the forces of attraction that heldthe particles rigidly together in the solid state have
beensufficiently overcome to allow the particles to move. Whensubstances boil, the particles are
completely separated from oneanother and the attractions between molecules are
completelyovercome. The energy required to cause substances to melt and toboil, and thus
disrupt the forces of attraction, comes from theenvironment surrounding the material. If you
place a piece of icein your hand, the ice will melt more quickly than if it is placedon a cold
counter top. The energy required to melt the ice comesfrom your hand, your hand gets colder and
the ice gets warmer. for ice melting hydrogen bonding for sublimation of ice London
forcesAmmoniavaporisation having hydrogen bonding.
a. It gives benzalacetone b. acetone will undergo intermolecular aldol condensation
c. benzaldehyde undergoes claisen condensation d. addition over double bond in product takes
place
Solution
a. It gives benzalacetone b. acetone will undergo intermolecular aldol condensation
c. benzaldehyde undergoes claisen condensation d. addition over double bond in product takes
place.
what is the mean, median, mode and the midrange for 191, 167,257,1.pdfmohammadirfan136964
what is the mean, median, mode and the midrange for : 191,
167,257,195,381,261,235,332,225,245
Solution
Mean = Sum of the numbers/n = 3174.6
Median = Since the no of values is 15 which is odd.. the median will be the middle value i.e. 8th
value in increasing order = 1479
Mode = Value with the highest frequency = All have the same frequency so all are modes
Midrange = ( max + min ) / 2 = (203 + 9822)/2 = 5012.5.
Disodium malonate is an ionic sodium salt that is soluble in water..pdfmohammadirfan136964
Disodium malonate is an ionic sodium salt that is soluble in water.
Naphthalene is a molecular covalent organic solid that is insoluble in water.
To purify, add the mixture to water and stir to dissolve the disodium malonate and then filter.
The insoluble naphthalene residue will be trapped in the filter paper, while the pure disodium
malonate can be recovered by evaporating the filtrate.
Solution
Disodium malonate is an ionic sodium salt that is soluble in water.
Naphthalene is a molecular covalent organic solid that is insoluble in water.
To purify, add the mixture to water and stir to dissolve the disodium malonate and then filter.
The insoluble naphthalene residue will be trapped in the filter paper, while the pure disodium
malonate can be recovered by evaporating the filtrate..
They showed that GFP protein could be expressed in the organisms wit.pdfmohammadirfan136964
They showed that GFP protein could be expressed in the organisms with which they can be used
as a gene expression marker and protein localisation.
They used GFP in transcriptional fusions to characterize the expression pattern of genes. They
used the transformation techniques using DNA encoding GFP.
Solution
They showed that GFP protein could be expressed in the organisms with which they can be used
as a gene expression marker and protein localisation.
They used GFP in transcriptional fusions to characterize the expression pattern of genes. They
used the transformation techniques using DNA encoding GFP..
Thepossible mechanism by which a 75kD nuclear protein is imported in.pdfmohammadirfan136964
Thepossible mechanism by which a 75kD nuclear protein is imported into teh nucleus includes.
In eukaryotic cells the nucleus is physically separated from the cytoplasm by a double membrane
structure, the nuclear envelope (NE). The NE is crossed by multiple supramolecular structures
specialized in mediating the bidirectional traffic of molecules between the nucleus and the
cytoplasm. These structures are designated the nuclear pore complex (NPC), (Freitas, 2009).
Thus the nuclear pore complex (NPC), perhaps the largest protein complex in the cell, is
responsible for the protected exchange of components between the nucleus and cytoplasm and
for preventing the transport of material not destined to cross the nuclear envelope(UIUC).
Transport Cycle.In order to pass through the NPC, a large molecule (cargo) i.e. theteh cargo
proteinmust associate with another protein called a transport receptor. These transport receptors
then act as chaperones which shuttle cargo through the NPC. Recognition by the transport
receptor takes place via a specific sequence of amino acids in the cargo protein. Besides cargo
and transport receptors, the third ingredient necessary for nuclear transport is the signaling
protein Ran, which hydrolyzes GTP. Ran is responsible for regulating the interaction of transport
receptor and cargo and RanGDP/RanGTP concentration gradients across the nuclear envelope
drive nuclear import and export. Once a transport receptor identifies and binds its cargo, the
transport complex may be imported or exported through the NPC. Repeating amino acid
sequences involving phenyalanine (F) and glycine (G) have been thoroughly implicated in the
process selective import,(UIUC).
Solution
Thepossible mechanism by which a 75kD nuclear protein is imported into teh nucleus includes.
In eukaryotic cells the nucleus is physically separated from the cytoplasm by a double membrane
structure, the nuclear envelope (NE). The NE is crossed by multiple supramolecular structures
specialized in mediating the bidirectional traffic of molecules between the nucleus and the
cytoplasm. These structures are designated the nuclear pore complex (NPC), (Freitas, 2009).
Thus the nuclear pore complex (NPC), perhaps the largest protein complex in the cell, is
responsible for the protected exchange of components between the nucleus and cytoplasm and
for preventing the transport of material not destined to cross the nuclear envelope(UIUC).
Transport Cycle.In order to pass through the NPC, a large molecule (cargo) i.e. theteh cargo
proteinmust associate with another protein called a transport receptor. These transport receptors
then act as chaperones which shuttle cargo through the NPC. Recognition by the transport
receptor takes place via a specific sequence of amino acids in the cargo protein. Besides cargo
and transport receptors, the third ingredient necessary for nuclear transport is the signaling
protein Ran, which hydrolyzes GTP. Ran is responsible for regulating the inter.
The neurons are nervous cells which play the central role in generat.pdfmohammadirfan136964
The neurons are nervous cells which play the central role in generating, holding and transmitting
information across the body. The information as we perceive is a physico-physiological aspect of
our reaction to an action but it is comprised of a complex set of cytological, electro-chemical and
bio-molecular state of entitites. To be specific, the mode of action of neurons can be functionally
understood as:
The neurons comprise of a complex set of neurological membranes and ion-channels. When a
stimulus is experienced by the body/brain, it changes the bio-chemical nature/concentrations of
various electrically stimulated ions present inside the neurons and outside their perphery. This
causes generation of a local ionic gradient in the neurons which further drives physical activity
of the neuron. The neurological membranes play important role in relay of information. These
membranes help in relay of these biochemical signals across various neurological membranes
and thus transit this information from one neuron to another via a matrix between the two, called
synapse. This process takes place in a very small fraction of seconds so that an immediate and
appropriate reaction could be made.
Thus, a neurological cell holds the information by means of generation of a local bio-chemical
potential and ionic gradient and relays/moves this information by means of channelizing these
local gradients in the form of electro-chemical signals from one neuron to the other through
synapse.
Solution
The neurons are nervous cells which play the central role in generating, holding and transmitting
information across the body. The information as we perceive is a physico-physiological aspect of
our reaction to an action but it is comprised of a complex set of cytological, electro-chemical and
bio-molecular state of entitites. To be specific, the mode of action of neurons can be functionally
understood as:
The neurons comprise of a complex set of neurological membranes and ion-channels. When a
stimulus is experienced by the body/brain, it changes the bio-chemical nature/concentrations of
various electrically stimulated ions present inside the neurons and outside their perphery. This
causes generation of a local ionic gradient in the neurons which further drives physical activity
of the neuron. The neurological membranes play important role in relay of information. These
membranes help in relay of these biochemical signals across various neurological membranes
and thus transit this information from one neuron to another via a matrix between the two, called
synapse. This process takes place in a very small fraction of seconds so that an immediate and
appropriate reaction could be made.
Thus, a neurological cell holds the information by means of generation of a local bio-chemical
potential and ionic gradient and relays/moves this information by means of channelizing these
local gradients in the form of electro-chemical signals from one neuron to the other through
synapse..
The parts of the respiratory tract which have nonkeratinized stratif.pdfmohammadirfan136964
The parts of the respiratory tract which have nonkeratinized stratified squamous epithelium are
Larynx-vocal cords, Oropharynx and Laryngopharynx.
Solution
The parts of the respiratory tract which have nonkeratinized stratified squamous epithelium are
Larynx-vocal cords, Oropharynx and Laryngopharynx..
The impact of Brexit would be visible on the financial instituations.pdfmohammadirfan136964
The impact of Brexit would be visible on the financial instituations of US and Europe. The
impact would be shorter and longer term both. The biggest of all is the uncertainty it has created.
So at first the financial firms would hold on to the likely investments they are going to make in
UK as they would go in wait and watch mode.
Also they are likely going to wrap up the operations or shift their base from UK to other
European country assuming that the base operations caters primarily to the European nations.
This also leads to a number of Mergers and acquisitions as the valuations of a lot of businesses
would turn attractive due to currency depreciation.
Solution
The impact of Brexit would be visible on the financial instituations of US and Europe. The
impact would be shorter and longer term both. The biggest of all is the uncertainty it has created.
So at first the financial firms would hold on to the likely investments they are going to make in
UK as they would go in wait and watch mode.
Also they are likely going to wrap up the operations or shift their base from UK to other
European country assuming that the base operations caters primarily to the European nations.
This also leads to a number of Mergers and acquisitions as the valuations of a lot of businesses
would turn attractive due to currency depreciation..
The alkaline earth metals burn in oxygen to form the monoxide, MO wh.pdfmohammadirfan136964
The alkaline earth metals burn in oxygen to form the monoxide, MO which, except for BeO,
have rock-salt structure (BeO has wurtzite structure). The BeO is essentially covalent in nature.
The enthalpies of formation of these oxides are quite high and consequently they are very stable
to heat. BeO is amphoteric while oxides of other elements are ionic in nature. All these oxides
except BeO are basic in nature and react with water to form sparingly soluble hydroxides.
Solution
The alkaline earth metals burn in oxygen to form the monoxide, MO which, except for BeO,
have rock-salt structure (BeO has wurtzite structure). The BeO is essentially covalent in nature.
The enthalpies of formation of these oxides are quite high and consequently they are very stable
to heat. BeO is amphoteric while oxides of other elements are ionic in nature. All these oxides
except BeO are basic in nature and react with water to form sparingly soluble hydroxides..
Squid: mollusc
Crab: Arthropods
Crayfish: Arthropods
Polychaete: Annelids
Homologous organs are the one that develop from common ancestor and have diverged to
perform different functions according to the habitat and habit of the organisms. Lateral
appendages present in Crab (arthropod), crayfish (arthropod) and polychaete (annelid) exhibit
homology. The lateral appendages (parapodia) in polychaete worms extend from the body
segments and serve in locomotion. However, soft body plan does not fix them firmly. On the
other hand, arthropods have hard bodied skeleton. Crab and crayfish takes advantage of hard
bodied skeleton and their lateral appendages are fixed firmly in the skeleton to provide maximum
leverage. Development of parapodia in polychetes allowed them to thrive out of burrow in the
muddy oceanic sediments.
Solution
Squid: mollusc
Crab: Arthropods
Crayfish: Arthropods
Polychaete: Annelids
Homologous organs are the one that develop from common ancestor and have diverged to
perform different functions according to the habitat and habit of the organisms. Lateral
appendages present in Crab (arthropod), crayfish (arthropod) and polychaete (annelid) exhibit
homology. The lateral appendages (parapodia) in polychaete worms extend from the body
segments and serve in locomotion. However, soft body plan does not fix them firmly. On the
other hand, arthropods have hard bodied skeleton. Crab and crayfish takes advantage of hard
bodied skeleton and their lateral appendages are fixed firmly in the skeleton to provide maximum
leverage. Development of parapodia in polychetes allowed them to thrive out of burrow in the
muddy oceanic sediments..
Ques-1Normala flora and microbiota of nose and mouth are non-infe.pdfmohammadirfan136964
Ques-1:
Normala flora and microbiota of nose and mouth are non-infectious in the region where they are
living in colonies at specific pH and temperature. However, if they reach other parts of human
body other than nose and mouth may induce “infection”
They do possess common characteristics of sensing known as “quorum sensing” in which
bacteria flora are going to communicate with each other in the region or habitat where they are
living. They have a specific property of “horizontal gene transfer”
Staphylococcus epidermis & lactobacillus are going to present in mouth Corynebacterium and
spirochetes are going to present in nose due to presence of moist environments
Ques-2:
Answer:
Yes, there are other microorganisms inside the mouth & nose other normal flora and microbiota.
There are some fungal microbial pathogens, spirochetes, aspergillus, blastomycosis at the time of
infection present in oral & nasal cavities
Solution
Ques-1:
Normala flora and microbiota of nose and mouth are non-infectious in the region where they are
living in colonies at specific pH and temperature. However, if they reach other parts of human
body other than nose and mouth may induce “infection”
They do possess common characteristics of sensing known as “quorum sensing” in which
bacteria flora are going to communicate with each other in the region or habitat where they are
living. They have a specific property of “horizontal gene transfer”
Staphylococcus epidermis & lactobacillus are going to present in mouth Corynebacterium and
spirochetes are going to present in nose due to presence of moist environments
Ques-2:
Answer:
Yes, there are other microorganisms inside the mouth & nose other normal flora and microbiota.
There are some fungal microbial pathogens, spirochetes, aspergillus, blastomycosis at the time of
infection present in oral & nasal cavities.
Solution.According to IASB framework INCOME is the one of element .pdfmohammadirfan136964
Solution
.
According to IASB framework INCOME is the one of element of balance sheet which
increases in economic benefits during the accounting period in the form of inflows or
enhancements of assets or decreases of liabilities that result in increases in equity, other than
those relating to contributions from equity participants?.
7. Answer is A.Cytochromes are protien containing iron or heme gro.pdfmohammadirfan136964
7. Answer is A.
Cytochromes are protien containing iron or heme groups and function as electron transfer agents
in many metabolic pathways in mitochondria and chloroplasts. It doesn\'t pump ATP, It doesn\'t
has sulfur groups and it doesn\'t reduce oxygen to water.
8. Answer is B.
Pyruvate to is converted to acetyl-coA by pyruvate dehydrogenase complex. First Pyruvate is
decarboxylated by pyruvate dehydrogenase with help from TPP. Then dihydrolipoyl
transacetylase with cofactor lipoamide oxidizes hydroxyethyl- to acetyl- and then transfers
acetyl- to CoA, forming acetyl-CoA. Finally dihydrolipoyl dehydrogenase oxidizes the thiol
groups of the dihydrolipoamide back to lipoamide reducing NAD to NADH.
9. Answer is E.
The strongest oxidizing agent is oxygen, the oxidation of reduced NADH by oxygen has
potential difference of 1.136 V; the electron flow will be from the most negative system, which
is the couple NAD+/NADH, to the least negative system which is the couple O2/H2O. Thus the
oxidation of the reduced form, NADH,oxygen is a spontaneous and a slow reaction, unless
enzymes are present to catalyze the reaction.
Solution
7. Answer is A.
Cytochromes are protien containing iron or heme groups and function as electron transfer agents
in many metabolic pathways in mitochondria and chloroplasts. It doesn\'t pump ATP, It doesn\'t
has sulfur groups and it doesn\'t reduce oxygen to water.
8. Answer is B.
Pyruvate to is converted to acetyl-coA by pyruvate dehydrogenase complex. First Pyruvate is
decarboxylated by pyruvate dehydrogenase with help from TPP. Then dihydrolipoyl
transacetylase with cofactor lipoamide oxidizes hydroxyethyl- to acetyl- and then transfers
acetyl- to CoA, forming acetyl-CoA. Finally dihydrolipoyl dehydrogenase oxidizes the thiol
groups of the dihydrolipoamide back to lipoamide reducing NAD to NADH.
9. Answer is E.
The strongest oxidizing agent is oxygen, the oxidation of reduced NADH by oxygen has
potential difference of 1.136 V; the electron flow will be from the most negative system, which
is the couple NAD+/NADH, to the least negative system which is the couple O2/H2O. Thus the
oxidation of the reduced form, NADH,oxygen is a spontaneous and a slow reaction, unless
enzymes are present to catalyze the reaction..
A and C. RGB analog component video uses no compression, imposes no .pdfmohammadirfan136964
A and C. RGB analog component video uses no compression, imposes no real limit on color
depth and resolution, requires a large amount of bandwidth to carry a signal, and is being
superseded by DVI and HDMI, which provide better clarity.
Solution
A and C. RGB analog component video uses no compression, imposes no real limit on color
depth and resolution, requires a large amount of bandwidth to carry a signal, and is being
superseded by DVI and HDMI, which provide better clarity..
Public key authentication is the most secure colution and utilizes a.pdfmohammadirfan136964
Public key authentication is the most secure colution and utilizes a public key cryptography(PKI)
system, using both public and private keys.A PKI is certainly the easiest solution from the users
prespective.It mainly supports the distribution and identification of public encryption keys,
enabling users and computers to both securely exchange data over networks such as the internet
and verify the identity of the other party.
Without PKI , sensitive information can still be encrypted ( ensuring confidentiality) and
exchanged but there would be no assurance of the identity(authentication) of the other party. Any
form of sensitive data exchanged over the internet is relianton PKI for security.
Elements of PKI
A typical PKI consists of hardware, software , policies and standards to manage the
creation,admisinstration , distribution and revocation of keys and digital certificates. Digital
certificates are at the heart of PKI as they affrim the identity of the certificate subject that bind
the identity to the public key contained in the certificate.
Following are the elements of the PKI:
Certificate Authority (CA)
Registration authority
A certificate database , it mainly stores the certificate requests and issues and revokes
certificates.
A certificate store , which resides on a local computer as a place to store issues certificates and
private keys.
--------------------------************************-----------------------------
To connect many distant employees at once, all office locations must be able to access the same
network resource. Most time iof we will would house the core infrastucture needed to establish
the network, such as the servers and databases. Generally Wide area network (WAN) to connect
the remote offices. WAN are used to connect Local area network(LAN) for disparate offices
together.
However installation and overhead of LNS and WANS is expensive.
To over come this Virtual private networks that run over the internet.
VPN it mainly provides secure connections between individual users and their organizations
network over and their organizations network over the internet, have several upsides. They
provide more secure site to site connections. They provide information transfer much faster that
WAN\'s and most importantly to small and medimum sized business, VPN\'s are much
lessexpensive since you can use a single leased line to the internet for each ofice, cutting down
on broadband cost.
While VPN\'s are highly recommended and trusted a new technology gaining traction with
compaines is the remote desktop. Remote dsktops requires software or an operating system that
allows aplications to run remotely on a server, but to be displayed locally simultaneously. This
network server hosts remote files and application in a secure location , ensuring your data is
never lost , even when something happens to device you are working on.
Solution
Public key authentication is the most secure colution and utilizes a public key cryptography(PKI)
sy.
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...Levi Shapiro
Letter from the Congress of the United States regarding Anti-Semitism sent June 3rd to MIT President Sally Kornbluth, MIT Corp Chair, Mark Gorenberg
Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
This Congress will not stand idly by and allow an environment hostile to Jewish students to persist. The House believes that your institution is in violation of Title VI of the Civil Rights Act, and the inability or
unwillingness to rectify this violation through action requires accountability.
Postsecondary education is a unique opportunity for students to learn and have their ideas and beliefs challenged. However, universities receiving hundreds of millions of federal funds annually have denied
students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
Basic assumptions 1 Pairs of electrons in the va.pdf
1. Basic assumptions 1 Pairs of electrons in the valence shell of a central atom repel
each other. 2 These pairs of electrons tend to occupy positions in space that minimize repulsions
and maximize the distance of separation between them. 3 The valence shell is taken as a sphere
with electron pairs localizing on the spherical surface at maximum distance from one another. 4
A multiple bond is treated as if it is a single electron pair and the two or three electron pairs of a
multiple bond are treated as a single super pair. 5 Where two or more resonance structures can
depict a molecule the VSEPR model is applicable to any such structure.
Solution
Basic assumptions 1 Pairs of electrons in the valence shell of a central atom repel
each other. 2 These pairs of electrons tend to occupy positions in space that minimize repulsions
and maximize the distance of separation between them. 3 The valence shell is taken as a sphere
with electron pairs localizing on the spherical surface at maximum distance from one another. 4
A multiple bond is treated as if it is a single electron pair and the two or three electron pairs of a
multiple bond are treated as a single super pair. 5 Where two or more resonance structures can
depict a molecule the VSEPR model is applicable to any such structure.
