Question 1: (a) An ideal gas is expanded reversibly and ad- iabutically. Decide which of q. w, AU, and AH are pos- itive, negative, or zero. (b) A 1.25 mole sample of an ideal gas is expanded from 320. Kand an initial pressure of 3.10 bar to a final pressure of 1.00 bar, and Cr.- SR/2. Calculate w for the following two cases: Condition: The expansion is isothermal and reversible.

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Chapter1: Chemical Foundations
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Question 1: (a) An ideal gas is expanded reversibly and ad-
iabutically. Decide which of q. w, AU, and AH are pos-
itive, negative, or zero.
(b) A 1.25 mole sample of an ideal gas is expanded
from 320. K and an initial pressure of 3.10 bar to a final
pressure of 1.00 bar, und Cr- SR/2. Calculate w for
the following two cases:
Condition: The expansion is isothermal and reversible.
Transcribed Image Text:Question 1: (a) An ideal gas is expanded reversibly and ad- iabutically. Decide which of q. w, AU, and AH are pos- itive, negative, or zero. (b) A 1.25 mole sample of an ideal gas is expanded from 320. K and an initial pressure of 3.10 bar to a final pressure of 1.00 bar, und Cr- SR/2. Calculate w for the following two cases: Condition: The expansion is isothermal and reversible.
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