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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?
1
Expert's answer
2020-12-16T05:55:19-0500

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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