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25 November, 11:48

A 20 g piece of metal with specific heat 0.4 J/g.°C absorbs 3.9 kilojoules of heat,

calculate the change in temperature. Formula: Q = mcAT

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  1. 25 November, 14:51
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    given that

    ... the mass of the metal is 20g (0.02kg)

    ... specific heat capacity (c) is 0.4J/g°C

    ... ΔT=?

    heat (Q) = 3.9KJ (3900J)

    Q=mcΔT

    ΔT = Q/mc

    ... = 3900: (20g x 0.4J/g°C)

    ... = 487.5°C
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