A turboexpander uses work from the expansion of gas to generate power. Suppose a turboexpander uses a natural gas mixture at 75.0 bar, 11 degree celcius that is allowed to rapidly expand until it is 39.3 bar. a) In one hour approximately 1.26 x 10*3 mol of gas is passed through the turboexpander. If we assume that the expansion is done in a constant-pressure isothermal process, where the external pressure is equal to the final pressure of the gas, what is the w, Delta U, Delta H and q for this process