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25 November, 23:19

The specific heat of iron is 0.11 cal (g°

c. a cafeteria fork made of iron has a mass of 20 grams. how much heat energy is needed to raise the temperature of this fork from 25°c to 75°c?

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  1. 26 November, 02:10
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    Specific heat capacity = m c Δ t

    = 20 * 0.11 * (75-25)

    = 20 * 0.11 * 50

    = 110 calories.
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