Consider a Process Carried Out on 1

question 16

Multiple Choice

Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following two different pathways. The first pathway is A (3.00 atm, 20.0 L) to C (1.00 atm, 20.0 L) to D (1.00 atm, 50.0 L) ; and the second pathway is A (3.00 atm, 20.0 L) to B (3.00 atm, 50.0 L) to D (1.00 atm, 50.0 L) . In each case, the gas is taken from state A to state D.
-Calculate ΔH_ACD.

• A) -175 L•atm
• B) 175 L•atm
• C) -25 L•atm
• D) 25 L•atm
• E) none of these

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