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Class Notes (1,044,419)
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CHEM (69)
CHEM1011 (29)

Class Notes for CHEM1011 at University of New South Wales

Chemistry A: Atoms, Molecules and Energy

CHEM1011 Lecture Notes - Lecture 8: Quantum Chemistry, Computational Chemistry, Wave Function

LECTURE 8 QUANTUM MECHANICS, ELECTRONS AND THE HYDROGEN ATOM Chemists Quantum Mechanics: Probabilities and Electronic Wavefunctions - Heisenbergs Uncertainty Principle: We cannot determine position and velocity of electron...

Chemistry
CHEM1011
Ron Haines
CHEM1011 Lecture Notes - Lecture 9: Spectroscopy, Radiant Energy, Photon

LECTURE 9 SPECTROSCOPY Changing Energy Levels Wavefunctions and Quantum Numbers of Hydrogen Atom How do electrons move between allowed quantum states (i.e. wavefunctionsenergy levels)? - Light or more generally, electromag...

Chemistry
CHEM1011
Ron Haines
CHEM1011 Lecture Notes - Lecture 11: Covalent Radius, Atomic Radius, Ionic Radius

PERIODIC TRENDS Periodicity: Predicting properties of atoms, ions and bonding based on where the elements are on the periodic table. Period: (row) going across the periodic table. - Predicting properties of atoms, ions and...

Chemistry
CHEM1011
Ron Haines
CHEM1011 Lecture Notes - Lecture 10: Quantum Chemistry, Electrostatics, Atomic Number

MULTI ELECTRON ATOMS Hydrogenic Orbitals - Hydrogen orbitals are degenerate, i.e. the orbitals from the same energy level have the same energy - they depend only on n, the principal quantum number. - E.g. For n = 3 the 3s,...

Chemistry
CHEM1011
Ron Haines
CHEM1011 Lecture Notes - Lecture 12: Chemical Polarity, Chemical Bond, Covalent Bond

INTRODUCTION TO BONDING Recap bonding - All bonds involve the sharing of electrons - How equal the sharing is what determines the bond type - Ionic bonds: (very) unequal sharing; so much that they are often considered a co...

Chemistry
CHEM1011
Ron Haines
CHEM1011 Lecture Notes - Lecture 7: Valence Electron, Ionic Bonding, Octet Rule

LECTURE 7 Intro to Bonding Ionic Bonding - Ionic bonds form when a metal reacts with a non metal. - The bonds involve very unequal sharing of electrons, often referred to as an exchange of electrons, but what keeps them st...

Chemistry
CHEM1011
Ron Haines
CHEM1011 Lecture Notes - Lecture 1: Cathode Ray, Chemical Element, Antoine Lavoisier

LECTURES 1-2 Key aspects of being a chemist - You understand chemical structures and create reasonable chemical structures. - 4 bonds to carbon, 1 bond to hydrogen, 2 bonds to oxygen, etc. - You think about the geometry of...

Chemistry
CHEM1011
Ron Haines
CHEM1011 Lecture Notes - Lecture 4: Sodium Hydroxide, Drain Cleaner, Hydronium

LECTURE 4 ACIDS AND BASES Definitions Acid: A molecule or other species which can donate a proton or accept an electron pair in reactions. - Stomach acid: HCl - Battery acid: H S2 4 - Coca cola: H CO2and 3 PO 3 4 Base: A s...

Chemistry
CHEM1011
Ron Haines
CHEM1011 Lecture Notes - Lecture 3: Ionic Compound, Chemical Equation, Carbon-12

LECTURE 3 Overview of Chemical Equations and Moles What are ions in water? - In an ionic solid, the ions bond together strongly owing to their opposite charges (e.g. Na+ and Cl-) - Ionic solids dissolve in water because th...

Chemistry
CHEM1011
Ron Haines
CHEM1011 Lecture Notes - Lecture 5: Physical Chemistry, Fundamental Interaction, Pressure Measurement

LECTURE 5 Branches of Chemistry Chemistry is often split into 4 branches: Physical Chemistry, Analytical Chemistry, Inorganic Chemistry and Organic Chemistry - Boundaries blurred, much overlap - Categorisation not essentia...

Chemistry
CHEM1011
Ron Haines
CHEM1011 Lecture Notes - Lecture 6: Ideal Gas Law, Partial Pressure, Ideal Gas

LECTURE 6 Gas Mixtures - All constituents of an ideal gas, whether atoms or molecules, act independently. - Gas mixtures, such as air, follow the same rules. - Gas behaviour depends on the number of gas atoms or molecules ...

Chemistry
CHEM1011
Ron Haines
CHEM1011 Lecture Notes - Lecture 2: Dinitrogen Pentoxide, Nitric Oxide, Properties Of Water
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Chemical formulae - Covalent compounds - Covalent compounds Majority are carbon-based organic compounds Chemical formulae are often written carbon first, followed by hydrogen and then the remaining elements in alphabe...

Chemistry
CHEM1011
Steve Colbran
CHEM1011 Lecture Notes - Lecture 2: Bromine Trifluoride, Sodium Bromide, Hydrogen Peroxide
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Chemical formulae - Binary compounds Binary compounds Binary compounds contain exactly two different elements Element further to the left of the periodic table appears first KCl, Al2S3 Hydrogen is the exceptio...

Chemistry
CHEM1011
Steve Colbran
CHEM1011 Lecture Notes - Lecture 2: Boron, Cisplatin, Chemical Formula
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Ionic compounds have a cation (+ve) and an anion (-ve). Overall charge for a solid is neutral charges balance. -chemists use various representations for same compounds Representations of molecules: ...

Chemistry
CHEM1011
Steve Colbran
CHEM1011 Lecture Notes - Lecture 2: Sodium Chloride, Ionic Compound, Meitnerium
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More formally: sum of (fractions of each isotope x atomic mass each isotope) Lecture 2 Dr Ball -Where do elements come from: -Mostly from stars, hydrogen formation & some light elements- the big bang -elements carbon ...

Chemistry
CHEM1011
Steve Colbran
Inorganic Chemistry - Reference Guides

This Guide provides invaluable reference material to anyone who requires readily accessible information concerning the basic principles that underlie this complex science. The Guide carefully references the Periodic Table ...

Chemistry
CHEM 30100
All Professors
Permachart - Marketing Reference Guide: Iupac Nomenclature Of Inorganic Chemistry, Lithium Aluminium Hydride, Polyatomic Ion

p e r m a c h a rt s MT I n o r g a n i c C h e m i s t r y N o m e n c l a t u r e ...

Chemistry
CHEM 30100
All Professors
Permachart - Marketing Reference Guide: Locant, Parent Structure, Substituent

permacharts TM O r g a n icC h e m is t ryN o m e n c la t u r e Nam...

Chemistry
CHEM 22700
All Professors
Permachart - Marketing Reference Guide: Beta Particle, Beta Decay, Atomic Number

permacharts TM Periodic Table of the Elements ...

Chemistry
CHEM 11100
All Professors
Permachart - Marketing Reference Guide: Carnot Heat Engine, Carnot Cycle, Isentropic Process

permacha srtM PHYSICAL CHEMISTRY Basics Adiabatic process in which no heat is transferred into or out Internal energy The total kinetic and potent...

Chemistry
CHEM 11100
All Professors
Introductory Chemistry - Reference Guides

This Guide serves as a well organized and effective point of entry for anyone embarking upon the study of Chemistry. All fundamental terms are clearly organized in chart form, with illustrative graphics. More complex conce...

Chemistry
CHEM 11100
All Professors

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