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16 May, 20:23

If 155 J of heat energy is applied to a block of silver weighing 27.9 g, by how many degrees will the temperature of the silver increase?

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  1. 16 May, 21:05
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    The temperature of silver increase by 23.15 °C.

    Explanation:

    Given dа ta:

    Heat added = 155 j

    Mass of silver = 27.9 g

    How many degree temperature increase = ?

    Solution:

    Specific heat capacity:

    It is the amount of heat required to raise the temperature of one gram of substance by one degree.

    Specific heat capacity of silver is = 0.240 j/g.°C

    Formula:

    Q = m. c. ΔT

    Q = amount of heat absorbed or released

    m = mass of given substance

    c = specific heat capacity of substance

    ΔT = change in temperature

    Now we will put the values in formula.

    155 j = 27.9 g * 0.240 j/g.°C * ΔT

    155 j = 6.696 j/°C * ΔT

    ΔT = 155 j / 6.696 j/°C

    ΔT = 23.15 °C
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