How much energy (in joules) is released when 0.06 kilograms of mercury is condensed to a liquid at the same temperature?
a. 20,075.04 j
b. 51,302.88 j
c. 17,705.1 j
d. 697.08 j
the correct answer is c
i just took the test and got it right.

The energy released when a certain amount of a substance condenses to a liquid is given by:

where m is the mass of the substance and is the latent heat of vaporization.

In this problem, the mass is m=0.06 kg, while the latent heat of vaporization of mercury is . Therefore, if we apply the formula we get:

So, the correct answer is

C. 17,705.1 J

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