The value of Kc at a given temperature is 2500 for the decomposition of hydrazine: N2H4(g) > 2 H2(g) + N2(g) Which statements regarding this reaction and its reverse reaction are true? Select all that apply. I. The forward reaction is reactant favored at equilibrium. II. The forward reaction is product favored at equilibrium. III. The reverse reaction is reactant favored when the rate of the forward reaction equals the rate of the reverse reaction. II

The chemical equation represents a reversible reaction. 3H2(9) + N2(9) # 2NH3(g) At equilibrium, 1 liter of a mixture of gases at 450°C contains 1.83 mol of hydrogen (H2), 0.793 mol of nitrogen (N2), and 1.72 mol of ammonia (NH3).What is the equilibrium constant for the reaction under these conditions? O A. 0.718 B. 0.609 O C. 1.39 O D. 0.159 96 5 6

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]

Choose the equilibrium expression for the following reaction. a. CH4 (9) + 2H₂S(9) ⇒ CS₂ (9) + 4H₂ (9) OK: = K= OK= K= b. 4NH3(g) + 5O2(g) — 4NO(g) + 6H₂O(g) [NO] 4 [H₂0]6 [NH,][0₂]5 [NO] [H₂ O] 2 [NH3][0₂] [NO]¹ [H₂O]6 [NH₂] 4 [NO] ¹ [H₂O]6 [NH₂] 4 [0₂]5 c. CO₂(g) + MgO(s) = MgCO3(s) OK: OK= OK: OK= K: K= OK= [CS₂] [H₂]4 [CH₂] [H₂S] [CS₂] [CH][H₂S]² [CS₂] [H₂] [CH₂] [H₂S]² [CS₂] [H₂] 4 [CH₂] [H₂S]² K= 1 [CO₂] [MgCO₂]² [CO₂][MgO] [MgCO3] [CO₂]²[MgO]² [MgO] [CO₂][MgCO3]

Given this reaction at equilibrium, C(s) + CO2(g) D 2CO(g) (∆H° = 119kJ), explain the changes that would occur when the following stresses are applied: a.CO is removed. b.Heat is removed. c.CO2 is added.

please answer all parts!