Question

Some very hot rocks have a temperature of `420 ^o C` and a specific heat of `120 J/(Kg*K)`. The rocks are bathed in `24 L` of boiling water. If the heat of the rocks completely vaporizes the water, what is the minimum combined mass of the rocks?

Answer 1

See the link below.

Explanation:

I've answered almost the same question. See the link.
https://socratic.org/questions/some-very-hot-rocks-have-a-temperature-of-240-o-c-and-a-specific-heat-of-240-j-k#501589