please answer a-f under the number 5

a. Su>0 b. In the system PCl5(g)Cl2(g)+PCl3(g), the right side of the reaction exhibits more entropy than the left side of the reaction. c. The system CaCO3(s)CaO(s)+CO2(g) is endothermic in the reverse direction. d. The reverse direction of an endothermic equilibrium reaction is exothermic. e. The system 2H2O(g)2H2(g)+O2(g) is exothermic in the reverse direction. f. Six moles of gas have fewer microstates than five moles of the same gas