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    Question

    How much energy is needed to convert 1 gm of ICE into

    1000 Steam?
    A 80 Cal Correct Answer Incorrect Answer
    B 540 Cal Correct Answer Incorrect Answer
    C 620 Cal Correct Answer Incorrect Answer
    D 720 Cal Correct Answer Incorrect Answer

    Solution

    00C Ice -----(80 cal)--------00 Water 00Water-------(100cal)------ 1000 Water 1000Water------(540 cal)-------- 1000 Steam (80+100+540) = 720 Cal

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