hi! please help as soon as possible! i'm reviewing my answers and would like to compare! thank you!

18. Calculate Kp for H2O(g)+1/2O2(g)H2O2(g), given the following reactions: H2(g)+O2(g)=H2O2(g)Kp=2.31062H2(g)+O2(g)2H2O(g)Kp=1.81037 a. 1.71030 b. 4.11043 c. 6.41021 d. 1.01025 e. 2.41019 f. 1.91013 19. A 10.0-g sample of solid NH4Cl is heated in a 5.00-L container to 900C. At equilibrium the pressure of NH3(g) is 1.51atm. NH4Cl(s)NH3(g)+HCl(g). Calculate Kp (Hint: write the equilibrium expression first). a. 1.51 b. 2.28 c. 3.02 d. 8.21 e. 9.65