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18 March, 18:29

If the temperature of a 95.00g sample of Iron started at 36.0 degrees C and ended at 58 degrees C how much heat would be lost?

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  1. 18 March, 18:47
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    Q = 940.5 j

    Explanation:

    Given dа ta:

    Mass of iron = 95.00 g

    Initial temperature = 36.0°C

    Final temperature = 58°C

    Heat lost = ?

    Solution:

    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

    Specific heat capacity of iron = 0.450 j/g.°C

    ΔT = T2-T1

    ΔT = 58°C-36.0°C

    ΔT = 22°C

    Q = m. c. ΔT

    Q = 95.00 g * 0.450 j/g.°C * 22°C

    Q = 940.5 j
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