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6.1 Endothermic and Exothermic Processes

Part of Thermochemistry in AP® Chemistry. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

Temperature and Heat

In everyday life, temperature and heat are usually referred to as the same thing, but in chemistry, they are very much different. Heat is a measure of thermal energy, which consists of the individual kinetic energies from the individual particles moving or vibrating in matter. Temperature is used to measure the change in thermal energy in a system, as a system’s temperature is proportional to its energy. othermic|.

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