A sample consisting of 2.00 mol He is expanded isothermally at 22°C
from 22.8 dm3 to 31.7 dm3 (a) reversibly, (b) against a constant external
pressure equal to the final pressure of the gas, and (c) freely (against zero
external pressure). For the three processes calculate q, w, ∆U, and ∆H.

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hatshepsuthamunaptra hatshepsuthamunaptra

27-06-2024
Chemistry

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A sample consisting of 2.00 mol He is expanded isothermally at 22°C
from 22.8 dm3 to 31.7 dm3 (a) reversibly, (b) against a constant external
pressure equal to the final pressure of the gas, and (c) freely (against zero
external pressure). For the three processes calculate q, w, ∆U, and ∆H.

Sagot :

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