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Class Notes for Chemistry at University of Massachusetts Amherst

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CHEM 111 Lecture Notes - Lecture 9: Stoichiometry

Chem 111 Sept 24th An intro to chemical equations (g) = gaseous (s) = solid (l) = liquid (aq) = aqueous, which means dissolved in water Law of conservation of matter: matter can be neither created nor destroyed. Atoms are ...

Chemistry
CHEM 111
Nathan Schnarr
CHEM 111 Lecture Notes - Lecture 8: Relative Atomic Mass, Caesium, Chemical Formula

Chem 111 Sept 21st Stoichiometry Key Idea: the relationship between quantities of materials in a chemical reaction Avogadros number: One mole Even a small amount of atoms molecules on the macroscale contains a huge number ...

Chemistry
CHEM 111
Nathan Schnarr
CHEM 111 Lecture Notes - Lecture 7: Boron Trichloride, Tetrabromomethane, Phosphorus Triiodide

Chem 111 Sept 19th Covalent Molecular Compounds covalent bonds: When two or more nonmetals bond with each other and share their electrons Network Covalent compounds: atoms held together by a network of covalent bonds (Ex. ...

Chemistry
CHEM 111
Nathan Schnarr
CHEM 111 Lecture Notes - Lecture 5: Ionic Bonding, Octet Rule, Transition Metal

Chem 111 Sept 17th Ionic Compounds Cations: positively charged ions (formed when an atom loses an electron) Anions: negatively charged ions (formed when an atom gains an electron) Ionic bond: The bond formed between...

Chemistry
CHEM 111
Nathan Schnarr
CHEM 111 Lecture Notes - Lecture 4: Dmitri Mendeleev, Relative Atomic Mass, Mass Number

Chem 111 Sept 14th Atomic (Chemical) Symbols We use abbreviations called atomic symbols to describe elements (Ex. carbon= C) Atomic number is equal to the number of protons in the element All...

Chemistry
CHEM 111
Nathan Schnarr
CHEM 111 Lecture Notes - Lecture 3: Significant Figures, Scientific Notation, Decimal Mark

Chem 111 Sept 12th Scientific Notation Numbers that are very large or small can be represented by scientific notation Ex. .0665 in scientific notation is 6.65 x 10^-2 Significant Figures The certaint...

Chemistry
CHEM 111
Nathan Schnarr
CHEM 111 Lecture Notes - Lecture 2: Fahrenheit

Importance of Units Use of the metric system Mega M Kilo k Deci d Centi c Milli m Micro Nano n pico p Temperature Kelvin (C + 273.15) Celcius Farenheit (F= 1.8 C +32) Interconverting between units (aka unitdimensio...

Chemistry
CHEM 111
Nathan Schnarr
CHEM 111 Lecture Notes - Lecture 1: Evaporation

Chem 111 Sept 7th Chapter 1: Matter on the Atomic Scale The properties of matter depend on the types and arrangements of atoms and molecules Classification of matter: Either substances or mixtures Substances can either be ...

Chemistry
CHEM 111
Nathan Schnarr
Chemistry
CHEM 111
Sravan Surampudi
Chemistry
CHEM 111
Sravan Surampudi
Chemistry
CHEM 111
Sravan Surampudi
Chemistry
CHEM 111
Sravan Surampudi
Chemistry
CHEM 111
Sravan Surampudi
Chemistry
CHEM 111
Sravan Surampudi
Chemistry
CHEM 111
Sravan Surampudi
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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