Calculate ΔS, ΔStot, and ΔSsur when the volume of 200. g of CO initially at 273 K and 1.00 bar increases by a factor of three in an expansion against Pext=0. Take CP,m to be constant at the value...

Calculate ΔS, ΔStot, and ΔSsur when the volume of 200. g of CO initially at 273 K and 1.00 bar increases by a factor of three in an expansion against Pext=0. Take CP,m to be constant at the value 29.14 J⋅mol−1⋅K−1 and assume ideal gas behavior. The temperature of the surroundings is 273 K.