Twenty grams of a solid at 70°C is place in 100 grams of a fluid at 20°C.Thermal equilibrium is reached at 30°C.The specific heat of the solid
A)is equal to that of the fluid.
B)is less than that of the fluid.
C)is more than that of the fluid.
D)cannot be compared to that of a material in a different phase.

Question

Quizplus · Accepted Answer

The specific heat of the solid is more than that of the fluid because the solid, having a smaller mass, requires less heat to change its temperature compared to the larger mass of the fluid, indicating a higher specific heat capacity.

Twenty Grams of a Solid at 70°C Is Place in 100