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# HW25 - Sample Create assignment 57112 Homework 25 Sep 01 at...

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Create assignment, 57112, Homework 25, Sep 01 at 3:12 pm 1 This print-out should have 14 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. Covers 20.1-20.2 Moles of Diatomic Molecular Gas 21:02, trigonometry, numeric, > 1 min, wording-variable. 001 Three moles of a certain diatomic molecu- lar gas are heated at constant pressure from 300 K to 400 K. The heat capacity of this gas under con- stant pressure is 28 . 8 J / mol · K. The univer- sal gas constant is 8 . 31451 J / mol · K. Calculate the heat transferred to the gas. Answer in units of J. 002 Calculate the increase in its internal energy. Answer in units of J. 003 Calculate the work done by the gas. Answer in units of J. Adiabatic Expansion 21:03, trigonometry, numeric, > 1 min, nor- mal. 004 2 mol of an idea gas ( γ = 1 . 4) expands slowly and adiabatically from a pressure of 5 atm and a volume of 12 L to a final volume of 30 L.

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