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24 October, 07:09

Why are chemists interested in studying thermochemistry? a. Heat is often absorbed during reactions. b. Heat is often released during a chemical reaction, but never absorbed. c. Heat is often released during chemical reactions. d. Heat is often absorbed in a chemical reaction, but never released.

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  1. 24 October, 07:21
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    a. Heat is often absorbed during reactions.

    c. Heat is often released during chemical reactions.

    Explanation:

    Thermochemistry -

    The study of thermochemistry involve the change in the amount of heat, during any physical or chemical process, is referred to as thermodynamics.

    The focus of thermochemistry is on the changing amount of energy in the form of heat, on the system with respect to the surroundings.

    The process like boiling, melting, sublimation, may require energy or releases energy, and hence are studied under thermochemistry.

    Hence, from the given question,

    The correct options are - a, c.
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