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16 March, 09:05

A copper rod that has a mass of 200.0 g has an initial temperature of 20.0°C and is heated to 40.0°C. If 1,540 J of heat are needed to heat the rod, what is the specific heat of copper?

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  1. 16 March, 09:10
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    Heat gained in a system can be calculated by multiplying the given mass to the specific heat capacity of the substance and the temperature difference. It is expressed as follows:

    Heat = mC (T2-T1)

    1540 = 200.0 (C) (40 - 20)

    C = 0.385 J / g C

    Hope this answers the question. Have a nice day.
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