a homogeneous mixture of two or more substances in a single phase
What is solution?
100
ideal gas law
What is PV=nRT?
100
measure of the degree of randomness of particles in a system
What is entropy?
100
states that if a system at equilibrium is subjected to a stress, the equilibrium is shifted in the direction that tends to relieve the stress
What is Le Chatelier's principle?
100
also known as a helium nucleus with a charge of 2+
What is an alpha particle?
200
particles that are intermediate in size between those in solutions and suspensions form mixtures known as
What is colloids?
200
equation used to find the quantity of energy gained or lost with a change in temperature
What is q=Cp x m x ΔT?
200
1 calorie is equal to this many Calories
What is 0.001 Calories?
200
the law that states that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules
What is Avagadro's law?
200
weighs about the same as a neutron
What is proton?
300
any species that can react as either an acid or a base is described as
What is amphoteric?
300
used to find [OH-]
What is pH=-log[OH-]?
300
the study of the transfers of energy as heat that accompany chemical reactions and physical changes
What is thermochemistry?
300
the law that states that for a fixed amount of gas at a constant temperature, the volume of the gas increases as the pressure of the gas decreases and the volume of the gas decreases as the pressure of the gas increases
What is Boyle's Law?
300
the shortest electromagnetic waves
What is gamma rays?
400
the separation of ions that occurs when an ionic compound dissolves
What is dissociation?
400
how to find speed of light (in m/s) given the wavelength and frequency
What is c=λv?
400
a negative value for ΔH means what
What is exothermic reaction?
400
the heat evolved or absorbed in a chemical process is the same whether the process takes place in one or in several steps
What is Hess's Law?
400
the time required for half the atoms of a radioactive nuclide to decay
What is half-life?
500
the electrode where reduction occurs
What is cathode?
500
free-energy change
What is ΔG˚=ΔH˚-TΔS˚?
500
standard molar enthalpy of formation is the enthalpy change that occurs when one mole of a compound is formed at what temperature and at what pressure?
What is 25° and 1atm?
500
PV=nRT
What is the Ideal Gas Law?
500
radioactive atoms that are incorporated into substances so that movement of the substances can be followed by radiation detectors