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31 July, 01:32

A sample of an unknown substance has a mass of 0.158 kg. If 2,510.0 J of heat is required to heat the substance from 32.0°C to 61.0°C, what is the specific heat of the substance?

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  1. 31 July, 04:12
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    Specific heat capacity is the required amount of heat per unit of mass in order to raise teh temperature by one degree Celsius. It can be calculated from this equation: H = mCΔT where the H is heat required, m is mass of the substance, ΔT is the change in temperature, and C is the specific heat capacity.

    H = m CΔT

    2501.0 = 0.158 (C) (61.0 - 32.0)

    C = 545.8 J/kg ·°C
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