Question #81663
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
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
Heat of vaporization is the amount of energy required to vaporize 1 g of this substance:
Hv = 8720/9.43 = 924.7 J/g
