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26 July, 22:02

Calculate the amount of heat required to heat a 3.3 kg gold bar from 26 ∘C to 69 ∘C. Specific heat capacity of gold is 0.128 J/g∘C.

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  1. 27 July, 00:07
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    To answer the question above, we make use of the equation,

    heat = (specific heat) x mass x (change in temperature)

    Substituting the known values,

    heat = (0.128 J/g°C) x (3.3 kg) (1000g / 1kg) x (69°C - 26°C)

    = 18163.2 J

    Therefore, the amount of heat required is approximately 18163.2 J.
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