Suppose 5.00 mol of an ideal monatomic gas at an initial temperature of 298 K and pressure of 10.0 atm is expanded adiabatically and reversibly until the pressure has decreased to 1.00 atm. Calculate...

Suppose 5.00 mol of an ideal monatomic gas at an initial
temperature of 298 K and pressure of 10.0 atm is expanded
adiabatically and reversibly until the pressure has decreased to
1.00 atm. Calculate the final volume and temperature, the
energy and enthalpy changes, and the work done.