A gasoline engine absorbs 2500 J of heat at 250°C and expels 2000 J at a temperature of 50°C. What is the magnitude of the change in entropy (in J/K) for the system?
A. 6.2
B. 4.7
C. 1.4
D. 10.9
E. 3.2
Answer: C
Physics & Space Science
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