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6 April, 08:39

What5 mass of water at 100c can be vaporized by the addition of 45 kcal of heat?

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  1. 6 April, 08:52
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    Answer: -

    83.3 g of water can be vaporized by the addition of 45 kcal of heat at 100° C

    Explanation: -

    Heat of vaporization = 540 Cal / g.

    Heat supplied = Q = 45 Kcal = 45 x 1000 Cal

    Mass of water = Heat supplied / Heat of vaporization

    = 45 x 1000 Cal / (540 Cal / g)

    = 83.3 g
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