An ideal gas (the system) is contained in a flexible balloon at a pressure of 1 atm and is initially at a temperature of 20.°C. The surrounding air is at the same pressure, but its temperature is 25°C. When the system has equilibrated with its surroundings, both systems and surroundings are at 25°C and 1 atm. In changing from the initial to the final state, which one of the following relationships regarding the system is correct? Select one: a. DH = 0 b. q > 0 C. W > 0 d. DE < 0 e. DE = 0

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An ideal gas (the system) is contained in a flexible
balloon at a pressure of 1 atm and is initially at a
temperature of 20.°C. The surrounding air is at the
same pressure, but its temperature is 25°C. When
the system has equilibrated with its surroundings,
both systems and surroundings are at 25°C and 1
atm. In changing from the initial to the final state,
which one of the following relationships regarding
the system is correct?
Select one:
а. DH %3D 0
b. q > 0
C. W > 0
d. DE < 0
e. DE = 0
Transcribed Image Text:An ideal gas (the system) is contained in a flexible balloon at a pressure of 1 atm and is initially at a temperature of 20.°C. The surrounding air is at the same pressure, but its temperature is 25°C. When the system has equilibrated with its surroundings, both systems and surroundings are at 25°C and 1 atm. In changing from the initial to the final state, which one of the following relationships regarding the system is correct? Select one: а. DH %3D 0 b. q > 0 C. W > 0 d. DE < 0 e. DE = 0
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