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26 October, 07:52

A 12 gram piece of metal is heated to 300 °C from 100 °C with 1120 Joules of energy. What is the specific heat of the metal?

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  1. 26 October, 08:20
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    The specific heat for the metal is 0.466 J/g°C.

    Explanation:

    Given,

    Q = 1120 Joules

    mass = 12 grams

    T₁ = 100°C

    T₂ = 300°C

    The specific heat for the metal can be calculated by using the formula

    Q = (mass) (ΔT) (Cp)

    ΔT = T₂ - T₁ = 300°C - 100°C = 200°C

    Substituting values,

    1120 = (12) (200) (Cp)

    Cp = 0.466 J/g°C.

    Therefore, specific heat of the metal is 0.466 J/g°C.
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