Final Exam Flashcards
A substance used to reduce a catalyst’s undesirable effects
Inhibitor
Determined by the average kinetic energy of its molecules
Temperature of gas
Instrument used to measure atmospheric pressure
Barometer
The state of matter that is fairly dense, has a definite colume, and has a fixed shape
Solid
The intermolecular forces that exist between polar molecules
Dipole-dipole forces
Abbreviation for molarity
M
Gas mingling with porous substances is an example of this
Permeability
This law states that the total pressure of a mixture of gases equals the sum of the partial pressures
Dalton’s law of partial pressures
Used to properly describe the composition of ionic compounds; tells what elements are present and gives the simplest moles
Empirical Formula
These are required to perform stoichiometric calculations correctly
Balanced equations
The actual yield divided by the theoretical yield and multiplies by 100%
Percent yield
To convert moles of a pure substance to particles of that same substance, you must multiply the mole by this
Avogadro’s number
In a chemical reaction, these are used up before the others and prevents more products from forming
Limiting reactant
The official definition of Avogadro’s number is based on this
12g of Carbon
An element’s relative mass, expressed in atomic mass units on the periodic table and is equal to its
Molar mass
Prefix=7
Hepta
Substances that change the rate of a reaction without undergoing permanent changes themselves
Catalysts
In a chemical equation these always appear on the left side
Reactants
Name derived from a German chemist and what chemicals he had “in Stock”
Stock system
Prefix that is usually ommitted in a binary covalent compound naming
Mono
Prefix that means 8
Octa
These molecules lack polarity
Diatomic molecules
According to this theory, there must be more electons in bonding orbital than in antibonding orbital for a bond to form between two atoms
Molecular orbital theory
This theory states that covalent bonds are formed when orbital of different atoms overlap
Valence bond theory