Q(1) During a chemical reaction, what defines when the concentrations of the reactants and products reach...
During a chemical reaction, what defines when the concentrations of the reactants and products reach a constant level? A) rate law B) rate constant C) equilibrium D) elementary process E) reversible reaction
1. The initial concentrations of reactants and products for this reaction are given below. N2(g) + O2(g) ⇄ 2NO(g) Calculate Q for this reaction. Answer this to one decimal place (e.g. 10.2) The initial concentration of N2 is 1.0 M The initial concentration of O2 is 1.0 M The initial concentration of NO is 2.5 M 2. The reaction below is not at equilibria and Q = 1.7. The equilibrium constant is K = 0.230. 2SO3(g) ⇌ 2SO2(g) + O2(g)...
A chemical reaction has reached equilibrium when A) the concentrations of reactants and products are equal. B) all reactants have been converted to products. all products have been removed from the reaction mixture. D) the catalyst has been used up. E) the rate of the forward reaction equals the rate of the reverse reaction. 6) An equilibrium in which all the components are gases is a A) heterogeneous equilibrium. D) homogeneous B) liquid C) catalytic E) reversible 7) The equilibrium...
C) 2.4 10- D) 5.5 10 E) 3.9 10 Q(5)The graph below represents the titration of? 14- 12- 20 vokume base added m) A)A strong polyprotic acid witha weak base. B)A strong polyprotic acid witha strong base. C) A strong monoprotic acid with a weak base. D) A strong monoprotic acid with a strong base. E) None of the answers is correct.
Name: 1. An exothermic reaction is allowed to reach equilibrium. If the temperature of the reaction mixture is decreased, the equilibrium will shift towards the product side: True False [1pt] 2. For the reaction C(s) + H2O(g) CO(g) + H2(g) a decrease in concentration of C(s) will cause the reaction to shift to the left oTrue False [1pt] 3. Define the following terms: [1.5pts] a. Activation Energy b. Exothermic Reaction c. Equilibrium [1p) 4. Determine the equilibrium constant K C(s)...
17) Complete the following by balancing the chemical reactions: (a) H2(g) + N2(g) → NH3(g) (b) H2(g) + O2(g) → H2O2(l) (c) C2H4(g) + O2(g) → CO2(g) + H2O(l) (d) Al2(g) + O2(g) → Al2O3(g) (e) Mg(g) + O2(g) → MgO(g) (f) C8H10(l) + O2(g) → CO2(g) + H2O(g) (g) Fe2O3(s) + CO(s) → Fe(s) + CO2(g)
a. What is the equilibrium constant expression for the reaction: 3 Fe (s) + 4 H2O (g) + Fe3O4 (s) + 4 H2 (g) b. The equilibrium constant, Kc, for the reaction 2 NOCI (9) ++ 2 NO (g) + Cl2 (g) is 2.4 x 10-7. What is the Kc for the reaction: 1/3 Cl2 (g) + 2/3 NO (g) ++2/3 NOCI (g)
The initial concentrations or pressures of reactants and products are given for each of the following systems. Calculate the reaction quotient and determine the direction in which each system will proceed to reach equilibrium. 2NH3(g)⇌N2(g)+3H2(g)Kc=17; [NH3] = 0.20 M, [N2] = 1.00 M, [H2] = 1.00 M (b) 2NH3(g)⇌N2(g)+3H2(g)KP=6.8×104; NH3 = 3.0 atm, N2 = 2.0 atm, H2 = 1.0 atm (c) 2SO3(g)⇌2SO2(g)+O2(g)Kc=0.230; [SO3] = 0.00 M, [SO2] = 1.00 M, [O2] = 1.00 M (d) 2SO3(g)⇌2SO2(g)+O2(g)KP=16.5; SO3 = 1.00...
1. In the following reaction at equilibrium, what will happen if more CO(g) is added? COCI:(9) CO(g) + Cl (9) A) reaction will shift to the right B) reaction will shift to the left C) nothing will happen D) the equilibrium constant will change E) not enough information given to predict 2. The following reaction is exothermic (with A and B reactants) and at equilibrium. What will happen if heat is added? A+B 2 C + D A) more C...
2. How is the equilibrium-constant expression (Kc) for the reaction: 2NO(a) = N2() + Ke=0.145; related to the following reaction? O2 (a) N2(a) + O2(a) = 2NO(a) K=.............. (b) 4NOQ = 2Nz () + 2O2(g) Kos......... (c) NO) 1/2 N2(0)+ 1/2O2(0) K3= +++ (d) 1/2 N2(a) + 1/2O2(a) = NO) Ke=.............. 3. Given Kc or ko for the following reactions, what is the value of Koor K? (a) l2(g) + Cl2(a) = 2ICIOX Kc = 2.0 x105 at 25°C (b)...