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24 June, 03:44

If 5.40 kcal of heat is added to 1.00 kg of water at 100⁰C, how much steam at 100⁰C is produced? Show all calculations leading to an answer.

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  1. 24 June, 04:41
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    Heat of vaporization of water = 540 cal/g

    m=1000 g

    energy supplied = 5.4 kcal=5400 cal

    T1=T2=100 deg. C

    so all energy is used to convert to steam

    mass of steam produced = 5400 cal / (540 cal/g)

    =5400/540 cal * g/cal

    =10 g
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