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19 June, 07:14

The specific heat of copper is 0.385 J/g·°C. What equation would you use to calculate the amount of heat needed to raise the temperature of 0.90 g of copper from 9°C to 26°C?

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  1. 19 June, 07:26
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    Answer: Q = m c ΔT

    Explanation:

    Amount of heat required to raise the temperature of an object is give by the equation:

    Q = m c ΔT

    Where, m is the mass of the object, c is the specific heat and ΔT is the rise in temperature.

    It is given that the specific heat of copper is c =.385 J/g°C

    Mass of copper, m = 0.90 g

    Change in temperature, ΔT = 26°C - 9°C = 17°C

    Then amount of heat required to raise the temperature of given amount of copper is:

    Q = m c ΔT ⇒ Q = 0.90 g *.385 J/g°C * 17°C = 5.89 J

    Thus, 5.89 J is needed to raise the temperature of 0.90 g of copper from 9°C to 26°C.
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