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2 cards from this section. Quick, good the night before a test.
Define pressure-volume work within the context of thermodynamics.
Think about the relationship involving pressure and volume changes.
What is the significance of the negative sign in the work formula?
Consider the direction of energy transfer.
What is the primary factor involved in calculating pressure-volume work?
Refer back to the work formulas used.
True or false: No work is done during free expansion.
Think about the definition of free expansion.
A gas expands from a volume of 2L to 8L isothermally at 300K against a constant pressure of 1 atm. Calculate the work done.
Use the formula for calculation and remember the unit conversions if necessary.
Analyze an irreversible process where a gas is allowed to expand in a vacuum. Discuss the energy implications according to the first law of thermodynamics.
Consider the relationships between work done, heat transfer, and energy conservation.
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