When a liquid is placed in a sealed container- A) a set vapor pressure.docx
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When a liquid is placed in a sealed container, A) a set vapor pressure will be reached, which is the same at all temperatures. B) once equilibrium is established between the liquid and the vapor, the rate of the evaporation process will equal the rate of condensation. C) condensation of the evaporated molecules in the jar can only occur once all of the liquid molecule are in the vapor (or gaseous) state. D) evaporation of the liquid cannot occur. E) all molecules stay in the liquid state. Solution Correct answer is (B) once equilibrium is established between the liquid and the vapor, the rate of the evaporation process will equal the rate of condensation. .
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When Sequoia measured the sound from the tube open at both ends- the F.docx
When Sequoia measured the sound from the tube open at both ends, the Fourier transform plot looked very noisy and had a lot of peaks spread out all over the graph window. She should,
Solution
Initially it may take many trials to get a good pattern
The important thing to get good pattern is to be sure to strike the tube after her
Labmate has hit the green button to record. This will help in getting good data that is fourier transform with equally spaced peaks
So last one is right option to choose
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When preparing a return involving a deduction for travel and entertain.docx
When preparing a return involving a deduction for travel and entertainment expenses, the return preparer must make reasonable inquiries to determine that the taxpayer’s records are adequate to substantiate the deduction.
a.True.
b. False.
Solution
True
The preparer should ask sufficient questions of clients claiming self-employment income to be satisfied that the client is actually conducting a business, the client has records to support income and expenses, or can reasonably reconstruct income and expenses records, and the client has included all income and related expenses on Schedule C, Profit or Loss from Business
Taxpayers must have documentation of business purpose, as well as receipts to support expenses claimedfor travel and entertainement expenses.
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When KCI dissolved in water When KCI dissolved in waterSolutionAns -.docx
When KCI dissolved in water
When KCI dissolved in water
Solution
Ans :
KCl is an ionic compound. So when it is dissolved in water , it splits into its ions : K + and Cl - .
The oxygen of the water molecule being electronegative in nature surround the positive potassium ion and hydrogen surrounds the negative Chlorine ion due to the electrostatic forces formed between the oppositely charged ions.
This forms the sphere of hydration around the ions , which prevent them forming an ionic bond in the aqueous solution.
The reaction is given as :
KCl + H2O = K + + Cl - + H2O
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When is a product more soluble in an organic solvent then in an aqueou.docx
When is a product more soluble in an organic solvent then in an aqueous solution.
When is a product more soluble in an organic solvent then in an aqueous solution.
Solution
Organic compounds are generally non polar and water is a polar solvent. As \"like dissolves like\", so polar products can dissolve in polar solvents(aqueous solution) and non-polar product can dissolve in non-polar solvents(organic sollvent). Polar products rarely dissolve in non-polar solvents and vice versa.
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When firms seek funding to pay for resources for production- they can.docx
When firms seek funding to pay for resources for production:
they can use indirect or direct financing.
they always use indirect financing.
they always use direct financing.
they must borrow money.
the government must play a role.
Solution
they must borrow money.
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When doing 1H-NMR- what is the chemical reason why an the hydrogen in.docx
When doing 1H-NMR, what is the chemical reason why an the hydrogen in an OH group sometimes shows up at different ppm locations? For propan-2-ol, I found a doublet at 4.88ppm, which makes a lot of sense due to the n+1 rule, but some of the literature values show singlets, sometimes at different ppm values, and some literature does not show a peak for this hydrogen at all. My lab report requires that I explain what molecular interactions are responsible for this phenomenon. Thank you!
Solution
The oxygen in OH gp cause the shielding of protons and thus a diiferent ppm location is shown by OH .
Hence this behaviour is due to the shielding and dishielding phenomenon of proton NMR .
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When discussing the security of SSO systems- which of the following is (3).docx
When discussing the security of SSO systems, which of the following is considered a disadvantage?
A. Single sign-on requires much more maintenance and overhead because all systems are tied together.
B. The biggest disadvantage to single sign-on is that system time on all systems must be held to very tight standards; if deviated from, this can cause serious access problems.
C. There are no real disadvantages to single sign-on.
D. If single sign-on is breached, it offers the intruder access to all systems tied to the SSO implementation.
Solution
D. Single sign-on (SSO) offers the attacker potential access to many systems tied to SSO when authenticated only once.
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When discussing the security of SSO systems- which of the following is.docx
When discussing the security of SSO systems, which of the following is considered a disadvantage?
A. Single sign-on requires much more maintenance and overhead because all systems are tied together.
B. The biggest disadvantage to single sign-on is that system time on all systems must be held to very tight standards; if deviated from, this can cause serious access problems.
C. There are no real disadvantages to single sign-on.
D. If single sign-on is breached, it offers the intruder access to all systems tied to the SSO implementation.
Solution
D. If single sign-on is breached, it offers the intruder access to all systems tied to the SSO implementation.
Single sign-on (SSO) offers the attacker potential access to many systems tied to SSO when authenticated only once
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When Sequoia measured the sound from the tube open at both ends- the F.docx
When Sequoia measured the sound from the tube open at both ends, the Fourier transform plot looked very noisy and had a lot of peaks spread out all over the graph window. She should,
Solution
Initially it may take many trials to get a good pattern
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So last one is right option to choose
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When preparing a return involving a deduction for travel and entertain.docx
When preparing a return involving a deduction for travel and entertainment expenses, the return preparer must make reasonable inquiries to determine that the taxpayer’s records are adequate to substantiate the deduction.
a.True.
b. False.
Solution
True
The preparer should ask sufficient questions of clients claiming self-employment income to be satisfied that the client is actually conducting a business, the client has records to support income and expenses, or can reasonably reconstruct income and expenses records, and the client has included all income and related expenses on Schedule C, Profit or Loss from Business
Taxpayers must have documentation of business purpose, as well as receipts to support expenses claimedfor travel and entertainement expenses.
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When KCI dissolved in water When KCI dissolved in waterSolutionAns -.docx
When KCI dissolved in water
When KCI dissolved in water
Solution
Ans :
KCl is an ionic compound. So when it is dissolved in water , it splits into its ions : K + and Cl - .
The oxygen of the water molecule being electronegative in nature surround the positive potassium ion and hydrogen surrounds the negative Chlorine ion due to the electrostatic forces formed between the oppositely charged ions.
This forms the sphere of hydration around the ions , which prevent them forming an ionic bond in the aqueous solution.
The reaction is given as :
KCl + H2O = K + + Cl - + H2O
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When is a product more soluble in an organic solvent then in an aqueou.docx
When is a product more soluble in an organic solvent then in an aqueous solution.
When is a product more soluble in an organic solvent then in an aqueous solution.
Solution
Organic compounds are generally non polar and water is a polar solvent. As \"like dissolves like\", so polar products can dissolve in polar solvents(aqueous solution) and non-polar product can dissolve in non-polar solvents(organic sollvent). Polar products rarely dissolve in non-polar solvents and vice versa.
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When firms seek funding to pay for resources for production- they can.docx
When firms seek funding to pay for resources for production:
they can use indirect or direct financing.
they always use indirect financing.
they always use direct financing.
they must borrow money.
the government must play a role.
Solution
they must borrow money.
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When doing 1H-NMR- what is the chemical reason why an the hydrogen in.docx
When doing 1H-NMR, what is the chemical reason why an the hydrogen in an OH group sometimes shows up at different ppm locations? For propan-2-ol, I found a doublet at 4.88ppm, which makes a lot of sense due to the n+1 rule, but some of the literature values show singlets, sometimes at different ppm values, and some literature does not show a peak for this hydrogen at all. My lab report requires that I explain what molecular interactions are responsible for this phenomenon. Thank you!
Solution
The oxygen in OH gp cause the shielding of protons and thus a diiferent ppm location is shown by OH .
Hence this behaviour is due to the shielding and dishielding phenomenon of proton NMR .
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When discussing the security of SSO systems- which of the following is (3).docx
When discussing the security of SSO systems, which of the following is considered a disadvantage?
A. Single sign-on requires much more maintenance and overhead because all systems are tied together.
B. The biggest disadvantage to single sign-on is that system time on all systems must be held to very tight standards; if deviated from, this can cause serious access problems.
C. There are no real disadvantages to single sign-on.
D. If single sign-on is breached, it offers the intruder access to all systems tied to the SSO implementation.
Solution
D. Single sign-on (SSO) offers the attacker potential access to many systems tied to SSO when authenticated only once.
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When discussing the security of SSO systems- which of the following is.docx
When discussing the security of SSO systems, which of the following is considered a disadvantage?
A. Single sign-on requires much more maintenance and overhead because all systems are tied together.
B. The biggest disadvantage to single sign-on is that system time on all systems must be held to very tight standards; if deviated from, this can cause serious access problems.
C. There are no real disadvantages to single sign-on.
D. If single sign-on is breached, it offers the intruder access to all systems tied to the SSO implementation.
Solution
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When equal moles of the following acids are dissolved in 1 L of H2O- w.docx
When equal moles of the following acids are dissolved in 1 L of H 2 O, which acidic solution will have lowest concentration of ions?
HI
HF
HClO4
HNO 3
HCl
Please explain why!
Solution
All the acids given are the strongest acids. But among all,
HI > HBr > HClO 4 > HCl > HNO 3
The above order it the acidic strength. Among all the given acids, HI is the strongest and HNO3 is the weakest.
Strongest acid dissociates completely in H 2 O (There will not be any undissociated molecule).
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Thanks and hope u got the answer.
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When an organization starts to plan for business continuity and disast.docx
When an organization starts to plan for business continuity and disaster recovery it will likely be a very large, complex, and multi-disciplinary project that would bring key associates within the organization together. What BEST describes the role of senior management.
A. They will plan for money for the DR project manager, technology experts, process experts, or other financial requirements from various departments within the organization
B. Is willing to make the discussion to make DRP a priority, commit and allow staff the time, and set hard dates for completion.
C. To manage the multi-disciplinary people to keep them all on the same sheet
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Solution
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When discussing the security of SSO systems, which of the following is considered a disadvantage?
A. Single sign-on requires much more maintenance and overhead because all systems are tied together.
B. The biggest disadvantage to single sign-on is that system time on all systems must be held to very tight standards; if deviated from, this can cause serious access problems.
C. There are no real disadvantages to single sign-on.
D. If single sign-on is breached, it offers the intruder access to all systems tied to the SSO implementation
Solution
D. Single sign-on (SSO) offers the attacker potential access to many systems tied to SSO when authenticated only once.
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When discussing the security of SSO systems- which of the following is (1).docx
When discussing the security of SSO systems, which of the following is considered a disadvantage?
A. Single sign-on requires much more maintenance and overhead because all systems are tied together.
B. The biggest disadvantage to single sign-on is that system time on all systems must be held to very tight standards; if deviated from, this can cause serious access problems.
C. There are no real disadvantages to single sign-on.
D. If single sign-on is breached, it offers the intruder access to all systems tied to the SSO implementation.
Solution
D. If single sign-on is breached, it offers the intruder access to all systems tied to the SSO implementation.
Single sign-on (SSO) offers the attacker potential access to many systems tied to SSO when authenticated only once.
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When an electron emits light energy and drops from the fourth to the third energy level, the atom is nearing the -
Solution
When an electron emits light energy and drops from the fourth to the third energy level, the atom is nearing the ground state .
The fourth level is the excited state and while returning from the fourth level to the third level the atom is returning to its ground state.
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When a hydrate compound is heated, does the water get broken down into its component elements?
When a hydrate compound is heated, does the water get broken down into its component elements?
Solution
No, when a hydrate is heated, water does not broken down into its components.
When a hydrate is heated it decompose into anhydrous salt and water evaporates and change into vapour. It is a reversible process it can be get back after adding some water in it.
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What will happen to the Ksp value of Al(OH)3 when sodium hydroxide is added to the solution? Explain why
Without doing a calculation, predict which of the following has the greatest molar solubility in water?
AgCl (Ksp = 1.8 x 10^-10)
AgBr (Ksp = 5.0 x 10^-13)
AgI (Ksp = 8.3 x 10^-17)
Solution
1)
Solubility equation of Al(OH)3 is:
Al(OH)3  <—>  Al3+  (aq) + 3 OH- (aq)
Adding NaOH is like adding product (OH-)
Adding product will shift the reaction in the direction of reactant as per Le chatelier Principle
So, Equilibrium moves to reactant side
This will decrease solubility
Answer: solubility decreases
2)
All of them are of same form AX
So, the one with the greatest value of Ksp will have greatest molar solubility
Answer: AgCl
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Which of the following can be used to create a VPN (Virtual Private Network)?
A. PPP (Point-to-Point Protocol).
B. PPTP (Point-to-Point Tunneling Protocol).
C. SLIP (Serial Line Internet Protocol).
D. ESLIP (Encrypted Serial Line Internet Protocol).
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B. PPTP (Point-to-Point Tunneling Protocol).
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II. Changes in the Fed funds rate take time to influence other interest rates, like mortgage rates or business loan rates
III. At times, ambiguous economic data make it difficult to determine the current status of the economy
IV. Once the Fed\'s policies impact longer-term interest rates, it takes time for businesses and consumers to change their behavior in response to the interest rate changes
A. II and III
B. I, II, III, and IV
C. II, III, IV only
D. III and IV
E. I, III, IV only
Solution
C. II, III, IV only
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Which of the following are significant shortcomings with voluntary CSR practices?
A. Reliability of the disclosures
B. Biased and self laudatory disclosure
C. Minimal disclosure of negative information
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Which of the following are significant shortcomings with voluntary CSR practices?
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What various activities can be performed using IIS Manager?
Solution
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1. Configuring the Web server
2. Administer local and remote Web servers using simple interface.
3. Automatically download features to the local IIS Manager for Remote Administration console to match features newly installed on the remote Web server.
4. Allows owners to connect and manage their own site or application directly.
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What type(s) of bonding would be expected for each of the following materials:
Diamond
Zirconium Oxide
Argon Gas
Rubber
Bronze (a mixture of copper and tin)
Titanium (Ti)
Polyvinyl chloride (PVC)
CaF2
Solution
1) DIAMOND - Covalent Bond
2) Zirconium Oxide - ionic
3)ARGON - Van der walls as it is and inert gas
4)RUBBER - Covalent with some van der walls forces
5)BRONZE - mettalic since it is a mettalic alloy
6)TITANIUM - metallic
7)Polyvinyl chloride (PVC) - covalent
8)CaF2 - ionic
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Which of the following are features of Btrfs?
relocating files and subtrees online
removing and adding devices online
running filesystem checks & scrubs online
d) multiple file systems (subvolumes) within a single partition
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The features of Btrfs is:
d) multiple file systems (subvolumes) within a single partition
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Solution
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2) Cost principle:This principle requires that depreciation expense reported on the income statementand the asset cost reported in the balance sheet should be disclosed at the historical cost
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Which method would answer this question. To investigate if the use of social media is associated with shyness and loneliness?
Choose from the following methods : Case histories, naturalistic observation, laboratory observation, tests, correlational studies, and experiments.
Solution
Correlation studies, results from the study further revealed that loneliness completely mediated the relationship between shyness and generalized problematic continous Internet use. Implications for intervention work addressing both loneliness and shyness issues facing adolescents who are problematic users of the Internet and social media.
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What type of intermolecular forces exist in NH3 and H2S- dispersion fo.docx
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dispersion forces, dispersion forces and H-bond, dispersion forces & dipole-dipole forces
Solution
In NH 3 ,intermolecular forces present are hydrogen bonds . The hydrogen bonds are many magnitudes stronger than other intermolecular forces in NH 3 .
In H 2 S , Sulfur atom have 6 valency electrons and hydrogen atoms have 2 valence electrons. The central sulfur atoms has 4 entities around it. Two hydrogen atoms, and two lone non-bonding electron pairs. According to VSEPR theory, this means that the shape of the molecule is bent and because of the asymmetrical shape, the molecule is polar.The intermolecular force which polar molecules take part in are d ipole-dipole forces .
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Which method of evaluating capital investment proposals uses the concept of present value to compute a rate of return?
Average rate of return
Accounting rate of return
Cash payback period
Internal rate of return
Solution
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Which molecule(s) will experience the London force- Select all that ap.docx
Which molecule(s) will experience the London force? Select all that apply.
Solution
The London force is the weakest intermolecular force.
The London dispersion force is a temporary attractive force that results
when the atom forms tempory dipole moment
as NH3 and H2O have permanent dipole moment so they will not experience London force.
where N2 and H2 doesn\'t possess any permanent dipole moment
so in N2 and H2 atoms, the tempory dipole moment can be formed so they can experience London force
the answer is N2 and H2
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Solution
Stronger reducing agent
Copper or zinc = zinc
Iron or copper= iron
Iron or zinc =zinc
Redox couple table
Copper Cu 2+ /Cu
Iron. Fe 3+ /Fe
Zinc. Zn 2+ /Zn
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Which is not true of the Progressives- options- a)They consisted predo.docx
Which is not true of the Progressives?
options:
a)They consisted predominantly of middle-class reformers.
b) They proposed sweeping changes to the capitalist system, such as government ownership of railroads.
c)They believed government should be more active in promoting the welfare of the people.
d)They opposed the laissez-faire of the past.
e)They hoped to reduce government corruption by appointing a new generation of college-educated experts to key government positions.
Solution
option (b) is correct because progressives belived that government should be more active in promoting the welfare of the people and also agreed with some of the ideas of the populists and they are also more conservative.
Progressives belived in reforming society and also government rather than proposing sweeping changes to the capitalist system.
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When equal moles of the following acids are dissolved in 1 L of H 2 O, which acidic solution will have lowest concentration of ions?
HI
HF
HClO4
HNO 3
HCl
Please explain why!
Solution
All the acids given are the strongest acids. But among all,
HI > HBr > HClO 4 > HCl > HNO 3
The above order it the acidic strength. Among all the given acids, HI is the strongest and HNO3 is the weakest.
Strongest acid dissociates completely in H 2 O (There will not be any undissociated molecule).
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Thanks and hope u got the answer.
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When an organization starts to plan for business continuity and disaster recovery it will likely be a very large, complex, and multi-disciplinary project that would bring key associates within the organization together. What BEST describes the role of senior management.
A. They will plan for money for the DR project manager, technology experts, process experts, or other financial requirements from various departments within the organization
B. Is willing to make the discussion to make DRP a priority, commit and allow staff the time, and set hard dates for completion.
C. To manage the multi-disciplinary people to keep them all on the same sheet
D. To be experts and understand specific processes that require a special skill set.
Solution
C. To manage the multi-disciplinary people to keep them all on the same sheet
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When discussing the security of SSO systems- which of the following is (2).docx
When discussing the security of SSO systems, which of the following is considered a disadvantage?
A. Single sign-on requires much more maintenance and overhead because all systems are tied together.
B. The biggest disadvantage to single sign-on is that system time on all systems must be held to very tight standards; if deviated from, this can cause serious access problems.
C. There are no real disadvantages to single sign-on.
D. If single sign-on is breached, it offers the intruder access to all systems tied to the SSO implementation
Solution
D. Single sign-on (SSO) offers the attacker potential access to many systems tied to SSO when authenticated only once.
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When discussing the security of SSO systems- which of the following is (1).docx
When discussing the security of SSO systems, which of the following is considered a disadvantage?
A. Single sign-on requires much more maintenance and overhead because all systems are tied together.
B. The biggest disadvantage to single sign-on is that system time on all systems must be held to very tight standards; if deviated from, this can cause serious access problems.
C. There are no real disadvantages to single sign-on.
D. If single sign-on is breached, it offers the intruder access to all systems tied to the SSO implementation.
Solution
D. If single sign-on is breached, it offers the intruder access to all systems tied to the SSO implementation.
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When an electron emits light energy and drops from the fourth to the t.docx
When an electron emits light energy and drops from the fourth to the third energy level, the atom is nearing the -
Solution
When an electron emits light energy and drops from the fourth to the third energy level, the atom is nearing the ground state .
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When a hydrate compound is heated- does the water get broken down into.docx
When a hydrate compound is heated, does the water get broken down into its component elements?
When a hydrate compound is heated, does the water get broken down into its component elements?
Solution
No, when a hydrate is heated, water does not broken down into its components.
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What will happen to the Ksp value of Al(OH)3 when sodium hydroxide is.docx
What will happen to the Ksp value of Al(OH)3 when sodium hydroxide is added to the solution? Explain why
Without doing a calculation, predict which of the following has the greatest molar solubility in water?
AgCl (Ksp = 1.8 x 10^-10)
AgBr (Ksp = 5.0 x 10^-13)
AgI (Ksp = 8.3 x 10^-17)
Solution
1)
Solubility equation of Al(OH)3 is:
Al(OH)3  <—>  Al3+  (aq) + 3 OH- (aq)
Adding NaOH is like adding product (OH-)
Adding product will shift the reaction in the direction of reactant as per Le chatelier Principle
So, Equilibrium moves to reactant side
This will decrease solubility
Answer: solubility decreases
2)
All of them are of same form AX
So, the one with the greatest value of Ksp will have greatest molar solubility
Answer: AgCl
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Which of the following can be used to create a VPN (Virtual Private Ne.docx
Which of the following can be used to create a VPN (Virtual Private Network)?
A. PPP (Point-to-Point Protocol).
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D. ESLIP (Encrypted Serial Line Internet Protocol).
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Which of the following are sources of lags in monetary policy?
I. Congress must vote on and approve the Fed\'s policies before they take effect
II. Changes in the Fed funds rate take time to influence other interest rates, like mortgage rates or business loan rates
III. At times, ambiguous economic data make it difficult to determine the current status of the economy
IV. Once the Fed\'s policies impact longer-term interest rates, it takes time for businesses and consumers to change their behavior in response to the interest rate changes
A. II and III
B. I, II, III, and IV
C. II, III, IV only
D. III and IV
E. I, III, IV only
Solution
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Which of the following are significant shortcomings with voluntary CSR.docx
Which of the following are significant shortcomings with voluntary CSR practices?
A. Reliability of the disclosures
B. Biased and self laudatory disclosure
C. Minimal disclosure of negative information
D. All above
Solution
Which of the following are significant shortcomings with voluntary CSR practices?
A. Reliability of the disclosures
B. Biased and self laudatory disclosure
C. Minimal disclosure of negative information
D . All above
.
What various activities can be performed using IIS Manager-SolutionIIS.docx
What various activities can be performed using IIS Manager?
Solution
IIS stands for Internet Information Services is a web server by Microsoft which supports different protocols like http, https, ftp, ftps smtp etc. IIS manager is a GUI application used for managing and administrating Microsoft\'s IIS server. IIS manager helps administrators and users to securely manage IIS servers remotely from a windows client. IIS manager is used for different admnistrative activities which include
1. Configuring the Web server
2. Administer local and remote Web servers using simple interface.
3. Automatically download features to the local IIS Manager for Remote Administration console to match features newly installed on the remote Web server.
4. Allows owners to connect and manage their own site or application directly.
.
What type(s) of bonding would be expected for each of the following ma.docx
What type(s) of bonding would be expected for each of the following materials:
Diamond
Zirconium Oxide
Argon Gas
Rubber
Bronze (a mixture of copper and tin)
Titanium (Ti)
Polyvinyl chloride (PVC)
CaF2
Solution
1) DIAMOND - Covalent Bond
2) Zirconium Oxide - ionic
3)ARGON - Van der walls as it is and inert gas
4)RUBBER - Covalent with some van der walls forces
5)BRONZE - mettalic since it is a mettalic alloy
6)TITANIUM - metallic
7)Polyvinyl chloride (PVC) - covalent
8)CaF2 - ionic
.
Which of the following are features of Btrfs- relocating files and sub.docx
Which of the following are features of Btrfs?
relocating files and subtrees online
removing and adding devices online
running filesystem checks & scrubs online
d) multiple file systems (subvolumes) within a single partition
Solution
The features of Btrfs is:
d) multiple file systems (subvolumes) within a single partition
.
Which of the following accounting principles requires businesses to re.docx
Which of the following accounting principles requires businesses to record depreciation?
Solution
1) Matching principle of accounting requires business to record depreciation for the accounting period . This principle requires that asset cost to be allocated to depreciation expense over the life of the asset.By assigning the portion of asset cost over the life of the asset to various financial statements the accountant is matching the portion of the assets cost with each period in which the asset is used
2) Cost principle:This principle requires that depreciation expense reported on the income statementand the asset cost reported in the balance sheet should be disclosed at the historical cost
.
Which method would answer this question- To investigate if the use of.docx
Which method would answer this question. To investigate if the use of social media is associated with shyness and loneliness?
Choose from the following methods : Case histories, naturalistic observation, laboratory observation, tests, correlational studies, and experiments.
Solution
Correlation studies, results from the study further revealed that loneliness completely mediated the relationship between shyness and generalized problematic continous Internet use. Implications for intervention work addressing both loneliness and shyness issues facing adolescents who are problematic users of the Internet and social media.
.
What type of intermolecular forces exist in NH3 and H2S- dispersion fo.docx
What type of intermolecular forces exist in NH3 and H2S?
dispersion forces, dispersion forces and H-bond, dispersion forces & dipole-dipole forces
Solution
In NH 3 ,intermolecular forces present are hydrogen bonds . The hydrogen bonds are many magnitudes stronger than other intermolecular forces in NH 3 .
In H 2 S , Sulfur atom have 6 valency electrons and hydrogen atoms have 2 valence electrons. The central sulfur atoms has 4 entities around it. Two hydrogen atoms, and two lone non-bonding electron pairs. According to VSEPR theory, this means that the shape of the molecule is bent and because of the asymmetrical shape, the molecule is polar.The intermolecular force which polar molecules take part in are d ipole-dipole forces .
.
Which method of evaluating capital investment proposals uses the conce.docx
Which method of evaluating capital investment proposals uses the concept of present value to compute a rate of return?
Average rate of return
Accounting rate of return
Cash payback period
Internal rate of return
Solution
d)Internal Rate of Return, IRR is computed using net present value, from it discount rate is identified to equates present value of future cash flow of an investment with initial investment.
.
Which molecule(s) will experience the London force- Select all that ap.docx
Which molecule(s) will experience the London force? Select all that apply.
Solution
The London force is the weakest intermolecular force.
The London dispersion force is a temporary attractive force that results
when the atom forms tempory dipole moment
as NH3 and H2O have permanent dipole moment so they will not experience London force.
where N2 and H2 doesn\'t possess any permanent dipole moment
so in N2 and H2 atoms, the tempory dipole moment can be formed so they can experience London force
the answer is N2 and H2
.
Which metal is the stronger reducing agent- copper or zinc- iron or co.docx
Which metal is the stronger reducing agent, copper or zinc? iron or copper? iron or zinc? In the box at the right, construct a redox couple table for iron, copper, zinc, and their ions. Arrange the three metals in a column at the right-hand side, with the strongest reducing agent at the bottom and the weakest at the top. To the left of each metal symbol make a slash; to the left of the slash write the symbol for the oxidized form of the metal-for example, Cu2+/Cu. You now have a brief redox couple table. (in i ob Which is the strongest oxidizing agent: iron(II) ion, copper(lI) ion, or zinc ion? Explain how this table summarizes your observations. on MAAn
Solution
Stronger reducing agent
Copper or zinc = zinc
Iron or copper= iron
Iron or zinc =zinc
Redox couple table
Copper Cu 2+ /Cu
Iron. Fe 3+ /Fe
Zinc. Zn 2+ /Zn
.
Which is not true of the Progressives- options- a)They consisted predo.docx
Which is not true of the Progressives?
options:
a)They consisted predominantly of middle-class reformers.
b) They proposed sweeping changes to the capitalist system, such as government ownership of railroads.
c)They believed government should be more active in promoting the welfare of the people.
d)They opposed the laissez-faire of the past.
e)They hoped to reduce government corruption by appointing a new generation of college-educated experts to key government positions.
Solution
option (b) is correct because progressives belived that government should be more active in promoting the welfare of the people and also agreed with some of the ideas of the populists and they are also more conservative.
Progressives belived in reforming society and also government rather than proposing sweeping changes to the capitalist system.
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