4.Which of the following is an example of a homogeneous equilibrium? Group of answer choices A, NH3(g) + HCl(g)⇌ NH4Cl(s) B, SO2(g) +H2O(l) ⇌ H2SO3(aq C, NH4NO3(s)⇌ N2O(g) + 2H2O(g) D, H2(g) + I2(g) ⇌ 2HI(g)   5. Which of the following statements is correct? Group of answer choices A, If Q< K, the reaction will proceed in the reverse direction and more reactants will form B, If Q = K the reaction is at equilibrium and concentration of reactants equals to the concentration of products C, If Q > K, the reaction will proceed in the forward direction and more products will form D, If Q > K, the reaction will proceed in the reverse direction and more reactants will form

For the reaction below, Kc = 7.2 × 10⁻⁴. What is the equilibrium concentration of NOF if the reaction begins with 0.92 M NO and 0.92 M F₂? 2 NO (g) + F₂ (g) ⇌ 2 NOF (g)

Consider the following reactions at equilibrium and determine which of the indicated changes will cause the reaction to proceed to the right. 1) 2 H2O(g)⇌ 2 H2(g) + O2(g) (remove water)2) H2(g) + I2(g) ⇌ 2 HI(g) (remove HI)3) CaCO3(s) ⇌ CaO(s) + CO2(g) (add CaCO3)4) N2(g) + O2(g) ⇌ 2 NO(g) (add O2)5) BaO(s) + SO3(g) ⇌ BaSO4(s) (add BaO) a.3, 4 b.2, 4 c.2, 3 d.1, 4 e.2, 3, 5

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For the reaction below, Kc = 4.60 × 10⁻⁶. Note Kc is sometimes called K. What is the equilibrium concentration of B if the reaction begins with 0.400 M A? A (g) ⇌ 3 B (g)

In which direction does the following equilibrium shift when the gas mixture is compressed? Explain using Le Châtelier’s principle and in terms of forward and reverse reaction rates.          2 C(s) + O2(g) ⇌ 2 CO(g)

The Keq for the equilibrium below is 2.4 × 10-3 at 700 °C.SO2 (g) + ½ O2 (g) ⇌ SO3 (g)What is the value of Keq at this temperature for the following reaction?2 SO3 (g) ⇌ 2 SO2 (g) + O2 (g)

QUESTION 3 In which of the following equilibrium systems would a decrease in volume have no effect on the concentrations of products and reactants?     H2 (g) + CO2 (g) ⇌ CO (g) + H2O (g)     C (s) + H2O (g) ⇌ H2 (g) + CO (g)     2H2O2 (g) ⇌ 2H2O (g) + O2 (g)     CaCO3 (s) ⇌ CaO (s) + CO2 (g)     3O2 (g) ⇌ 2O3 (g)