APFIVE Entropy and Thermal Equilibrium
Two identical blocks, initially at temperatures of 100°C and 0°C, are brought into thermal contact within an isolated system. After the system reaches thermal equilibrium, which statement best describes the change in the system’s total entropy?
A
It remains unchanged as energy is conserved
B
It has increased and is independent of the path taken
C
It depends on how quickly the blocks reached equilibrium
D
It has decreased due to increased order in the system
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