Task 20305.
From V = cylinder volume of 60 l containing compressed air at a pressure p1 = 7,5 MPa and a temperature t1, gradually release the air mass m = 2,6 kg. After closing of the valve air cylinder pressure p2 = 3,5 MPa, temperature t2 = -25 ° C. Determine the temperature t1.
Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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