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Chapter 16
Energy and Chemical Change
11
Chemistry
10th Grade
04/21/2008

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Cards

Term
energy
Definition
ability to do work or produce heat
Term
law of conservation of energy
Definition
energy can be converted from one form to another, but it is neither created nor destroyed
Term
chemical potential energy
Definition
energy stored in a substance because of its composition
Term
heat
Definition
energy in the process of flowing from a warmer to a cooler object
Term
specific heat
Definition
amount of heat required to raise the temperature of one gram of water by one degree Celsius
Term
calorimeter
Definition
insulated device used for measuring heat absorbed or released
Term
thermochemistry
Definition
study of heat changes that accompany chemical reactions and phase changes
Term
system
Definition

specific part of the universe under study

Term
surroundings
Definition
everything in the universe other than the system
Term
enthalpy
Definition
heat content of a system at constant pressure
Term
thermochemical equation
Definition
a balanced chemical equation that includes the physical states and energy change, as enthalpy
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