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18 March, 19:17

How much heat is needed to raise the temperature of 8g of water by 20oC?

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  1. 18 March, 21:11
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    The following information are given in the question:

    Mass, M = 8 g

    Temperature, T = 20 degree Celsius

    Specific heat of water [this value is a constant] C = 1 c/gc

    Heat, Q = ?

    The formula for calculating the amount of heat required is given below:

    Q = MCT = 8 * 1 * 20 = 160

    Therefore, Q = 160 cal.
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