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11 September, 17:07

15000 joules is used to heat a 950g piece of metal from 45 degrees Celsius to 78 degrees Celsius what is the specific heat of this metal

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  1. 11 September, 17:33
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    0.478 J/g/C

    Explanation:

    When solving questions on heat energy, we can use the formula

    Q = mcT where

    Q is the amount of energy supplied in Joules

    m is the mass of the object in Grams

    c is the specific heat capacity of the metal in Joules Per Gram Per Degree Celcius

    T is the change in Temperature in Degree Celcius.

    So by applying the formula to this question, we get:

    15000 = (950) (c) (78 - 45)

    c = 0.478 J/g/C
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