calorie
Amount of energy needed to raise temperature 1 gram of water 1 degree C
Calorie
Amount of energy needed to raise temperature 1 kilogram of water 1 degree C
calorimeter
a measuring instrument that determines quantities of heat
calorimetry
The precise measurement of heat flow out of a system for chemical and physical processes
endothermic
(of a chemical reaction or compound) occurring or formed with absorption of heat
energy
the ability to do work or cause change
enthlapy
energy gained or released in a process
exothermic
Chemical Reaction in which energy is primarily given off in the form of heat
heat
The energy transferred between objects that are at different temperatures
Hess's Law
the overall enthalpy change in a reaction is equal to the sum of enthalpy changes for the individual steps in the process
joule
SI unit of energy
molar heat capacity
the energy required to raise the temperature of one mole of a substance by one degree Celsius
molar heat of fusion
the amount of heat absorbed by one mole of a solid substance as it melts to a liquid at a constant temperature
molar heat of solution
the enthalpy change caused by the dissolution of one mole of a substance
molar heat of vaporization
the amount of heat absorbed by one mole of a liquid as it vaporizes at a constant temperature
specific heat capacity
the energy required to raise the temperature of one gram of a substance by one degree Celsius
standard heat of formation
the change in enthalpy that accompanies the formation of one mole of a compound from its elements with all substances in their standard states at 25 degrees celsius
thermochemical equation
a chemical equation that includes the enthalpy change
thermochemistry
the study of energy changes that occur during chemical reactions and changes in state