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In the following problems, an ideal gas changes from one state to another state. The state...

In the following problems, an ideal gas changes from one state to another state. The state variables of state A are: P = 5 atm, V = 3 m^3, T = 400K. For this gas, C = 5R/2.

1) State A changes to state B by an isothermal process, where Vb = 6 m^3. What is Pb?

ANS: 1.67atm by PaVa = PbVb

2) State A changes to State C by an adiabatic process, where Vc = 6 m^3. What is Pc?

3) Find the change in the internal energy of the gas from the process A-B-C.

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