Determine the a amount of paddle-wheel work in btu after 45

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Reference no: EM13605382

An insulated rigid tank initially contains 1.8 Ibm of helium at 82 F and 45 psia. A paddle wheel with a power rating of 0.025 hp is operating within the tank for 45 minutes. The specific heat at constant volume (cv) for helium is 0.753 BTU/(Ibm-•F). Determine the: a) amount of paddle-wheel work in BTU after 45 minutes b) final temperature c) final pressure of the helium gas Ans. P2 = 47.92 psi.

Reference no: EM13605382

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