CHE 112 Answers for Thermodynamics Practice

1a) 896 K

1b) yes--exothermic..."downhill" process

1c) no--/\S < 0 so disorder decreasing

1d) spontaneous if T < 896 K, nonspontaneous if T > 896 K, & in general spontaneity increases with decreasing temperature.

2)  K_P = P_CO2, so P_CO2 = 1.4 x 10^-23 atm

3) -223.2 kJ