Question

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?

The heat of vaporization is____ joules/gram.

Answer 1

I used the formula q=m*h

8720=9.43*h

h=924.708

yeet

Answer 2

A student boils 9.43 grams of an unknown substance into vapor. The heat of vaporization is 924.7

What is heat of vaporization?

The heat of vaporization is defined as the amount of heat required to convert 1 gram of liquid into a vapor without raising the liquid's temperature.

By the formula of specific heat

$Q = m \times h\\\\8,720 = 9.43 \times h \\\\h = 924.7$

Thus, the heat of vaporization is 924.7

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