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14 Cards in this Set

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  • Back
The capacity to do work or produce heat; exists as potential energy, which is stored in an object due to its composition or position, and kinetic energy, which is the energy of motion.
law of conservation of energy
States that in any chemical or physical process, energy may change from one form to another but it is neither created or destroyed.
chemical potential energy
The energy stored in a substance because of its composition; is released or absorbed as heat during chemical reactions or processes.
A form of energy that flows from a warmer object to a cooler object.
The amount of energy required to raise the temperature of one gram of pure water by one degree Celsius.
The SI unit of heat and energy.
specific heat
The amount of heat required to raise the temperature of one gram of a given substance by one degree Celsius.
An insulated device that is used to measure the amount of heat released or absorbed during a physical or chemical process.
The study of heat changes that accompany chemical reactions and phase changes.
In thermochemistry, the specific part of the universe containing the reaction or process being studied.
In thermochemistry, included everything the universe except the system.
In thermochemistry, is the system plus the surroundings.
The heat content of a system at constant pressure.
enthalpy (heat) of reaction
The change in enthalpy for a reaction-the difference between the enthalpy of the substances that exist at the end of the reaction and the enthslpy of the substances present at the start.