Some very hot rocks have a temperature of 370 ^o C370oC and a specific heat of 90 J/(Kg*K)90JKg⋅K. The rocks are bathed in 108 L108L of boiling water. If the heat of the rocks completely vaporizes the water, what is the minimum combined mass of the rocks?
1 Answer
Nov 18, 2017
The mass of the rocks is
Explanation:
The heat transferred from the hot rocks to the water, is equal to the heat used to evaporate the water.
For the rocks
Heat of vaporisation of water
The specific heat of the rocks is
The mass of water is
The mass of the rocks is