A gas expands as shown in the graph. If the heat taken in during this process is 1.02 × 106 J and 1 atm = 1.01 × 105 N/m2, the change in internal energy of the gas (in J) is how much?
?
?
A. ?2.42 × 106
B. ?1.40 × 106
C. ?1.02 × 106
D. 1.02 × 106
E. 1.40 × 106
Answer: B
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