Calorie
The quantity of energy needed to raise the temperature of 1 gram of water by 1'C
Calorimeter
An insulated device used to measure the absorption or release of heat in chemical or physical processes
Chemical Potential Energy
Energy stored in chemical bonds
Endothermic Process
A process that absorbs heat from the surroundings
Energy
The capacity to do work or produce heat
Enthalpy
The heat content of a system at constant pressure
Exothermic Process
A process that releases heat to the surroundings
Heat
Energy that transfers from one object to another because of a temperature difference between the objects
Heat of Combustion
The heat of reaction for the complete burning of one mole of a substance
Heat of Reaction
The enthalpy change for the chemical equation exactly as it is written
Joule
The SI unit of energy; 4.184 J equal one calorie
Law of Conservation of Energy
In any chemical or physical process, energy is neither created nor destroyed
Specific Heat
The amount of heat needed to increase the temperature of 1g of a substance 1 degree Celsius; also called specific heat capacity
Surroundings
Everything in the universe outside of the system
System
A part of the universe on which you focus your attention
Thermochemical Equation
A chemical equation that includes the enthalpy change