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Answer to Question #151471 in General Chemistry for Jake
Question #151471
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?
Expert's answer
Heat of vaporization is the amount of energy required to vaporize 1 g of this substance:
Hv = 8720/9.43 = 924.7 J/g
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