Physics, 15.02.2021 22:20 linnybear300
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A piston consists of a closed cylinder with a moveable top. When a chemical reaction heats the gas inside the piston, the gas expands and lifts the top. For the thermodynamic system of the piston, are the values of heat Q and work W positive, zero, or negative?
A. Both Q and W are positive
B. Q is positive, W is negative
C. Both Q and W are negative
D. Q is positive, W is zero
Answers: 1
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A piston consists of a closed cylinder with a moveable top. Wh...
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