If the specific heat capacity of copper is 387 J/kg/°C, then how much energy is needed to raise the temperature of 400 g of copper from 30°C

Question

If the specific heat capacity of copper is 387 J/kg/°C, then how much energy is needed to raise the temperature of 400 g of copper from 30°C to 55°C?

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Kim Chi 2 months 2021-07-29T13:51:53+00:00 1 Answers 9 views 0

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    2021-07-29T13:53:50+00:00

    Answer:

    Explanation:

    mass = 400 grams * [1 kg/1000 grams] = 0.400 kg

    c = 387 Joules / (oC * kg)

    Δt = 55 – 30 = 25 oC

    E = m*c * Δt

    E = 0.4 * 387 * 25

    E = 3870 Joules

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