reaction, changes listed below would cause more reactants to form when equilibrium is re- established? 2NOCI(g) + 75 kJ2NO(g) + Cl₂(g) a. Add a catalyst. b. Increase the volume. C. Increase the temperature. d. Decrease the [NO] e. Increase the pressure.

18. The thermochemical equation for the formation of ammonia from nitrogen and hydrogen is as follows: N2(g) + 3H2 (g) 5 2NH3 (g) AH=-92,2 kJ Given the system is initially at equilibrium, which of the following actions would cause the reaction to shift to the left? a. removing NH3 (g) b. removing H2 (g) c. decreasing the temperature d. adding a catalyst e. adding N2 (g)

Consider the following equilibrium reaction: 2 HCl (g)   +   I2 (s)   ⇋⇋   2 HI (g)   +   Cl2 (g) If I2 were added to the system, would the amount of Cl2 increase or decrease? Select one: a. increase b. decrease c. no change

10 For a chemical reaction: Cl2 (1) 0.55 mol Cl₂ Solve for the final partial pressure of Cl in atm: A. 1.8 × 108 B. 8.9 x 105 D. 3.6 × 104 2 Cl (g) has a Kp =3.2 x 10", and the initial amounts are: 0 atm Cl E. 0.55 C. 1.8 104 10.8

The decomposition of PCl5 occurs by the equilibrium process          PCl5(g) = PCl3(g) + Cl2(g)             DH, = 92.5 kJ mol–1   If the reaction is initially at equilibrium, explain what happens when the temperature is lowered. Select one: a. The equilibrium shifts left b. The concentration of Cl2(g) will increase c. No change d. The equilibrium shifts right

A reaction vessel initially contains 6.30 atm of A and 2.10 atm of B. A reaction occurs according to the equation:2A(g)+B(g)⇆2C(g)2A(g)+B(g)⇆2C(g)When equilibrium is reached, the total pressure is found to be 6.51 atm. What is the equilibrium constant Kp?Please enter your response to three significant figures using decimal notation.

Consider the following equilibrium reaction: 2 NO (g)   +   O2 (g)   ⇋⇋   2 NO2 (g) What is the Kc expression? Select one: a. Kc=[NO2][NO][O2]Kc=[NO2][NO][O2] b. Kc=[NO2]2[NO]2+[O2]Kc=[NO2]2[NO]2+[O2] c. Kc=[NO]2[O2][NO2]2Kc=[NO]2[O2][NO2]2 d. Kc=2∗[NO2]2∗[NO][O2]Kc=2∗[NO2]2∗[NO][O2] e. Kc=[NO2]2[NO]2[O2]

Consider the following endothermic reaction: 4 PCl5 (g)   ⇋⇋   P4 (s)   +   10 Cl2 (g) How will the amount of Cl2 be affected if the total pressure of the system is increased? Select one: a. The concentration of Cl2 will increase. b. The concentration of Cl2 will decrease. c. The amount of Cl2 will not change.

please answer all parts!