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19 October, 23:22

What occurs when the temperature of 10.0 grams of water is changed from 15.5 degrees celsius to 14.5?

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  1. 20 October, 00:05
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    Q = m*Cp * (del T)

    Where m = mass cp = specific heat capacity = 4.1855 J g-1 K-1 at 15 deg C del T = temp change = 14.5-15.5 = - 1 deg C

    there fore, Q = 10*4.1855*-1 = - 41.855 J

    Hence 42 joules will be release by water when temp is decrease from 15.5 to 14.5 deg C
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