| A | B |
|---|
| 1st law of thermodynamics | energy can neither be created or consumed |
| calorimeter | insulated container to measure change in temperature |
| heat capacity | amount of energy needed to raise temp. 1 deg. C |
| specific heat capacity | amount of energy neeeded to raise 1g of substance by 1 deg. C |
| enthalpy (H) | equal to the heat energy transferred at constant pressure |
| ATC273 | Add to Celsius 273 (convert from Celsius to Kelvin) |
| endothermic reaction | reactions that absorb energy from the surroundings |
| exothermic reaction | reactions that release energy into the surroundings |
| enthalpy | The amount of energy absorbed or lost by a reaction at constant pressure |
| ∆ | change in |
| thermochemical equation | A balanced equation that includes physical states of reactants and products and the energy change |
| heat of formation | Energy needed to form one mole of a compound from its elements. |
| heat of combustion | amount of energy released as heat by the complete combusion of one mole of a substance |
| heat of vaporization | heat required to vaporize one mole of a liquid |
