One mole of an ideal gas is subjected to adiabatic expansion form initail state of `(10"atm",300K)` to final pressure of 1 atm against constant external pressure. Which of the following option contain correct change in thermodynamic parameters for the above process. `(Given: gamma=(4)/(3))`
A. `deltaU=270R`
B. `deltaS=R In10`
C. `deltaH=230R`
D. `omega=-202.5R`