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The latent heat of vaporization of water is 540 calories/gram. How many calories are required to completely vaporize 500 grams of water?

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  1. 1 g = 540 calories
    500 g = ? calories

    Since the mass is 500 times 1 g, so the number of calories
    = 500*540 calories

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  2. Oh, so you just set it up like a proportion?
    And thank you. (:

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  3. wah

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  4. it is 270000

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  5. It is not called a PROPORTION
    It is called a MULTIPLICATION

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  6. Given,
    heat of vaporization of water is 540 cal per gram
    therefore amount of heat required
    ( 500 × 540) cal
    is equal to 270000 calories...

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