Hydrogen has three common isotopes - protium, deuterium, and tritium. It was discovered over 200 years ago and can exist as a colorless, odorless gas or in compounds such as ionic hydrides, covalent hydrides, and metallic hydrides. Hydrogen bonding plays a key role in water's unusual properties and is important for biological processes like DNA structure.
Hydrogen, the most abundant element in the universe and the third most abundant on the surface of the globe.
All you have to know about this inflammable gas.
This presentation is about Hydrogen, isotopes of Hydrogen, its preparation, properties and Uses. And aslo you can able to learn some of the compounds of Hydrogen like Water, Hard and soft water, removal of temporary hardness by Clark's method and removal of Permanent hardness using zeolites, Heavy water, Hydrogen peroxide with its properties, structure and Uses. Hydrides and Hydrogen bonding are explained with its types.
Hydrogen, the most abundant element in the universe and the third most abundant on the surface of the globe.
All you have to know about this inflammable gas.
This presentation is about Hydrogen, isotopes of Hydrogen, its preparation, properties and Uses. And aslo you can able to learn some of the compounds of Hydrogen like Water, Hard and soft water, removal of temporary hardness by Clark's method and removal of Permanent hardness using zeolites, Heavy water, Hydrogen peroxide with its properties, structure and Uses. Hydrides and Hydrogen bonding are explained with its types.
S-Block Elements - Group I Metals (Alkali metals) and Group II Metals (Alkaline Earth Metals)
Physical and Chemical Properties # General characteristics # Distiguih between both groups of metals # Some Examples of both groups metals
IT CONTAINS ALL INFORMATION REGARDING TO HYDROGEN
THE PROJECT IS MADE FOR SEMINAR OF CHEMISTRY OF MOLEDINA JUNIOR COLLEGE , PUNE. FROM THE STUDENT OF 11TH SCIENCE, SPECIALLY EFFORTS OF SHAHRUKH ISAQUE PATHAN.
p-BLOCK ELEMENTS,Boron Family (Group 13 Elements )
Compounds of Boron,Orthoboric acid (H3BO3),Borax (sodium tetraborate) Na2B4O7. 10H2O,Diborane,Compounds of Aluminium,Aluminium Oxide or Alumina (Al2O3),
Aluminum Chloride AlCl3,Carbon Family (Group 14 Elements):
Compounds of Carbon,Carbon Monoxide,Carbon di-oxide,
Carbides, Nitrogen Family (Group 15 Elements),
Ammonia (NH3),Phosphorus,Phosphorous Halides,Oxides of Phosphorus,Oxy – Acids of Phosphorus,Oxygen Family (Group 16 Elements) , Allotropes of Sulphur,Halogen Family ( Group 17 Elements,Inter halogen compounds,
Hydrogen Halides,Pseudohalide ions and pseudohalogens,Some important stable compound of Xenon
I Hope You all like it very much. I wish it is beneficial for all of you and you can get enough knowledge from it. Clear and appropriate objectives, in terms of what the audience ought to feel, think, and do as a result of seeing the presentation. Objectives are realistic – and may be intermediate parts of a wider plan.
FellowBuddy.com is a platform which has been setup with a simple vision, keeping in mind the dynamic requirements of students.
Our Vision & Mission - Simplifying Students Life
Our Belief - “The great breakthrough in your life comes when you realize it, that you can learn anything you need to learn; to accomplish any goal that you have set for yourself. This means there are no limits on what you can be, have or do.”
Like Us - https://www.facebook.com/FellowBuddycom-446240585585480
S-Block Elements - Group I Metals (Alkali metals) and Group II Metals (Alkaline Earth Metals)
Physical and Chemical Properties # General characteristics # Distiguih between both groups of metals # Some Examples of both groups metals
IT CONTAINS ALL INFORMATION REGARDING TO HYDROGEN
THE PROJECT IS MADE FOR SEMINAR OF CHEMISTRY OF MOLEDINA JUNIOR COLLEGE , PUNE. FROM THE STUDENT OF 11TH SCIENCE, SPECIALLY EFFORTS OF SHAHRUKH ISAQUE PATHAN.
p-BLOCK ELEMENTS,Boron Family (Group 13 Elements )
Compounds of Boron,Orthoboric acid (H3BO3),Borax (sodium tetraborate) Na2B4O7. 10H2O,Diborane,Compounds of Aluminium,Aluminium Oxide or Alumina (Al2O3),
Aluminum Chloride AlCl3,Carbon Family (Group 14 Elements):
Compounds of Carbon,Carbon Monoxide,Carbon di-oxide,
Carbides, Nitrogen Family (Group 15 Elements),
Ammonia (NH3),Phosphorus,Phosphorous Halides,Oxides of Phosphorus,Oxy – Acids of Phosphorus,Oxygen Family (Group 16 Elements) , Allotropes of Sulphur,Halogen Family ( Group 17 Elements,Inter halogen compounds,
Hydrogen Halides,Pseudohalide ions and pseudohalogens,Some important stable compound of Xenon
I Hope You all like it very much. I wish it is beneficial for all of you and you can get enough knowledge from it. Clear and appropriate objectives, in terms of what the audience ought to feel, think, and do as a result of seeing the presentation. Objectives are realistic – and may be intermediate parts of a wider plan.
FellowBuddy.com is a platform which has been setup with a simple vision, keeping in mind the dynamic requirements of students.
Our Vision & Mission - Simplifying Students Life
Our Belief - “The great breakthrough in your life comes when you realize it, that you can learn anything you need to learn; to accomplish any goal that you have set for yourself. This means there are no limits on what you can be, have or do.”
Like Us - https://www.facebook.com/FellowBuddycom-446240585585480
Properties of Hydrogen, production and application of hydrogen, thermochemical methods, fossil fuel methods, solar methods, storage & transportation, safety & management.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
How to Create Map Views in the Odoo 17 ERPCeline George
The map views are useful for providing a geographical representation of data. They allow users to visualize and analyze the data in a more intuitive manner.
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
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.
This is a presentation by Dada Robert in a Your Skill Boost masterclass organised by the Excellence Foundation for South Sudan (EFSS) on Saturday, the 25th and Sunday, the 26th of May 2024.
He discussed the concept of quality improvement, emphasizing its applicability to various aspects of life, including personal, project, and program improvements. He defined quality as doing the right thing at the right time in the right way to achieve the best possible results and discussed the concept of the "gap" between what we know and what we do, and how this gap represents the areas we need to improve. He explained the scientific approach to quality improvement, which involves systematic performance analysis, testing and learning, and implementing change ideas. He also highlighted the importance of client focus and a team approach to quality improvement.
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
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.
For more information, visit-www.vavaclasses.com
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
How to Split Bills in the Odoo 17 POS ModuleCeline George
Bills have a main role in point of sale procedure. It will help to track sales, handling payments and giving receipts to customers. Bill splitting also has an important role in POS. For example, If some friends come together for dinner and if they want to divide the bill then it is possible by POS bill splitting. This slide will show how to split bills in odoo 17 POS.
2. History
• Discovered about 200 years ago (1766)
Henry Cavendish (1731-1810)
Antoine Lavoisier (1743-1794)
3. History
• In 1931, hydrogen was discovered to have
isotopes
vs.
Harold C. Urey (1893-1981)
Nobel Laureate 1934
Frederick Soddy (1877-1956)
Nobel Laureate 1921
4. Isotopes of Hydrogen
• Three common isotopes:
– Protium (H)
• common hydrogen
• 99.985% abundant
– Deuterium (D)
• one neutron
• 0.015% abundant
– Tritium (T)
• two neutrons
• 1x10-15
% abundant
9. Nuclear Magnetic Resonance
• Intensity of the absorption depends upon
the nucleus
Nucleus Natural Abundance Relative Sensitivity
1
H 99.985 1.0
13
C 1.108 0.016
19
F 100 0.83
31
P 100 0.07
11. Properties of Hydrogen
• Periodic table placement
– reasons to place the element in both Group
1(alkali metals) and Group 17 (halogens)
Argument for Placement Argument Against
Placement
Alkali Metal Group forms monopositive ions is not a metal
has a single s electron does not react with water
Halogen Group is a nonmetal rarely forms a
mononegative ion
forms a diatomic
molecule
is comparatively
unreactive
12. Properties of Hydrogen
• Colorless, odorless gas
– m.p. -259°C
– b.p. -253°C
• Relatively non-reactive
– diatomic bond energy of 436 kJ/mol
14. Reduction Reactions of
Hydrogen
• Acts to reduce many metallic elements
CuO(s) + H2(g) → Cu(s) + H2O(g)
• Can also reduce double and triple bonds
with a catalyst
H2C=CH2(g) + H2(g) → H3C—CH3(g)
33. Clathrates
• a substance which is trapped in the crystal
lattice of another substance
– from “clathratus”
• enclosed behind bars
• gas hydrates
– methane
– noble gases
34. Biological Aspects of Hydrogen
Bonding
• Hydrogen’s properties play two key roles to
the existence of life
– closeness in electronegativity to carbon
– ability to form hydrogen bonds
35. Reaction Flowchart
• Shows the different types of reactions of a
certain species
H2
NaH
NH3
Cu
H2OHF
TiH1.9
O2F2
Na
CuO
N2Ti
