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9 August, 13:48

The specific heat of water is 4.18 joules per gram Celsius. How much he does 225.0 g of water release when it cools from 85.5°C to 50.0°C

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  1. 9 August, 14:16
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    Answer: 33387.75J

    Explanation:

    The amount of heat (Q) released from an heated substance depends on its Mass (M), specific heat capacity (C) and change in temperature (Φ)

    Thus, Q = MCΦ

    Given that:

    Q = ?

    Mass of water = 225.0g

    C = 4.18 joules per gram Celsius (4.18J/g°C)

    Φ = (Final temperature - Initial temperature)

    = 85.5°C - 50°C = 35.5°C

    Then, Q = MCΦ

    Q = 225.0g x 4.18J/g°C x 35.5°C

    Q = 33387.75J

    Thus, 33387.75 joules of heat is released during cooling.
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