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8 October, 16:06

A student boils 9.43 grams of an unknown substance into vapor. If completely vaporizing the substance required 8,720 joules of energy, what is the heat of vaporization?

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Answers (2)
  1. 8 October, 16:57
    0
    The heat of vaporization is = 924.71 j/g

    explanation

    Heat of vaporization is amount of heat require to vaporize 1 gram of a substance.

    Heat of vaporization required is therefore=8720 joules/9.43 grams=924.71 j/g
  2. 8 October, 19:23
    0
    The heat of vaporation is 924.
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