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21 September, 23:04

How much heat is needed to change 5g of ice at 0°C to

water at 50°C?

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Answers (1)
  1. 21 September, 23:18
    0
    400cal

    Explanation:

    Since ice melted at 0 Celesius then the heat gained by ice (latent heat) will melt it so you should substitute in that law

    Q=mlf ... where Q is the heat required to convert ice to water, m is the mass of ice and lf is the latent heat of fusion

    Q=5∗80=400cal
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