A cylinder contains 23 moles of an ideal gas at a temperature of 300 K. The gas is compressed at constant pressure until the final volume equals 0.43 times the initial volume

The molar heat capacity at constant volume of the gas is 24.0 J/mol • K and the ideal gas constant is R = 8.314 J/mol ? K. The heat absorbed by the gas is closest to
A) -130 kJ.
B) -94 kJ.
C) 130 kJ.
D) 94 kJ.
E) -33 kJ.


A

Physics & Space Science

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Mort observes Velma's light-clock, as Velma passes. He observes that, during a 1 second tick of her clock, her light beam travels

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The law of conservation of strangeness tells us that strangeness is not conserved for which of the following interactions?

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Physics & Space Science

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A) The change in the entropy of the iron-ocean system is zero. B) The entropy gained by the iron is equal to the entropy lost by the ocean. C) The entropy lost by the iron is equal to the entropy gained by the ocean. D) The ocean gains more entropy than the iron loses. E) The ocean gains less entropy than the iron loses.

Physics & Space Science