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21 October, 18:55

Calculate the amount of heat needed to melt 35.0 g of ice at 0 ºC. Express your answer in kilojoules

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  1. 21 October, 20:37
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    That would be 2,800 calories
  2. 21 October, 22:53
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    The amount of heat will be equal to Lm.

    Where L is the latent heat of fusion and m is mass of the ice.

    Latent heat of ice = 80cal/g.

    So the amount of heat required here will be 35 * 80cal

    = 2,800 cal.
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