APFIVE Entropy and Irreversible Processes
Equal masses of water, initially at 20°C and 80°C, are mixed within an insulated container. Which of the following best explains why this process is considered irreversible?
A
The energy becomes more dispersed with higher entropy
B
The specific heat capacity of water decreases
C
Water molecules are permanently changed by heating
D
Total energy is not conserved in the mixing process
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