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16 November, 19:41

a pure aluminium block with a mass of 10g is heated so that its temperature from 20C to 50C. The specific heat capacity of aluminium is 8.99 x 10^-1 J/gK. which expression gives the heat energy change in kJ

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  1. 16 November, 21:50
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    Answer:0.2697kj

    Explanation:

    H,=mcΔt

    H = 10*0.899 (323-293)

    H=10*0.899*30

    H=269.7j

    H = 0.2697kj
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