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2 January, 03:35

How much heat is absorbed by a 57g iron skillet when its temperature rises from 6oC to 20oC?

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  1. 2 January, 06:45
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    Heat absorbed is given by multiplying the specific heat capacity with the mass of the substance and the change in temperature.

    specific heat capacity of iron = 460.5 J/kg/k

    therefore, heat = mcФ, where c is heat capacity, m is the mass of iron and Ф is change in temperature. Change in temperature is 14 (20-6), mass in kg (0.057 kg)

    =460.5 * 0.057 x 14

    = 367.48 joules

    Hence, heat absorbed by iron will be 367.48 joules
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