Question #121605

Two systems have the following equations of state, where RR is the gas constant per mole. The mole numbers are N1 = 3 and N2 = 5. The initial temperatures are T1 = 175 K and T2 = 400 K. What is the temperature once equilibrium is reached (in Kelvin)?

1/t1=3/2(R*N1/U1)

1/t2=5/2(R*N2/U2)

1/t1=3/2(R*N1/U1)

1/t2=5/2(R*N2/U2)

Expert's answer

The temperature once equilibrium is reached can be found from the following ideal gas law. Initially, we have

In the equilibrium, we have

If pressure and volume did not change, we have

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