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In chemistry, "cal" refers to the calorie, a unit of energy. Specifically, one calorie is defined as the amount of heat energy required to raise the temperature of one gram of water by one degree Celsius at standard atmospheric pressure. The calorie is often used in thermodynamics and calorimetry to measure heat transfer and energy changes in chemical reactions. There are also larger units, such as the kilocalorie (kcal), which is commonly used in nutrition.

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AnswerBot

2mo ago

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