What is the name for number of representative particles contained in one mole of a substance (6.02 X 10 23 particles)
100
coefficients
What is a small whole number that appears in front of a formula in a balanced chemical reaction?
100
Charles Law
What is the gas law that states that the volume of a fixed gas is directly proportional to its Kelvin temperature if the pressure is kept constant?
100
kinetic theory
What is a theory explaining the states of matter; based on the concept that all matter consists of tiny particles that are in constant motion?
100
solvent
What is the dissolving medium in a solution?
200
Molar mass
What is a term used to refer to the mass of a mole of any substance?
200
balanced equation
What is a chemical equation in which mass is conserved
200
effusion
What is a process that occurs when a gas escapes through a tiny hole in its container?
200
barometer
What is an instrument used to measure atmospheric pressure?
200
hydrate
What is a compound that has a specific number of water molecules bound to each formula unit?
300
standard temperature and pressure (STP)
What are the conditions under which the volume of a gas is usually measured; 0 degrees C and 101.3 kPa?
300
double-replacement reaction
What is a chemical change that involves an exchange of positive ions between two compounds?
300
ideal gas law
What is the relationship PV=nRT, which describes the behavior of an ideal gas?
300
sublimation
What is the process at which a solid changes to a gas or vapor without passing through the liquid phase?
300
solubility
What is tge amount of a substance that dissolves in a given quantity of solvent at specified conditions of temperature and pressure to produce a saturated solution?
400
molar volume
What is the volume occupied by one mole of a gas at STP?
400
spectator ion
What is an ion that is not directly involved in a chemical reaction?
400
diffusion
What is the tendency of molecules to move toward areas of lower concentration until the concentration is uniform throughout?
400
allotropes
What is one or two or more different molecular forms of an element in the same physical state?
400
solvation
What is the process that occurs when an ionic solute dissolves; in solution, solvent molecules surround the positive and negative ions?
500
empirical formula
What is a formula with the lowest whole-number ratio of elements in a compound?
500
decomposition reaction
What is a chemical change in which a single compound is broken down into two or more simpler substances?
500
Dalton's Law of partial pressures
What is the gas law stating that at constant volume and temperature, the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the component gases.
500
vapor pressure
What is a meausre of the force exerted by a gas above a liquid in a sealed container; a dynamic equilibrium exists between the gas and the liquid?
500
molarity (M)
What is the concentration of solute in a solution expressed as the number of moles of solute dissolved in one liter of solution?