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2 cards from this section. Quick, good the night before a test.
Define work in thermodynamics.
Consider how energy is transferred in gas expansions or contractions.
What does the term reversible process mean?
Think about changes in state that can be undone easily.
What is the formula for calculating work done on a gas?
Recall the definitions of work in thermodynamics.
Is momentum conserved in reversible processes?
Consider how the system behaves with external forces.
Given a gas expands from 2L to 10L while performing 50J of work. If the pressure stays constant at 1 atm, calculate the work done on the gas.
Take care to convert energy units when necessary.
How would you calculate the change in internal energy of a gas during a process when both work and heat are exchanged?
Identify whether q or w is positive or negative based on the process.
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