Given: 2 A + B + 2 C rightarrow 3D and the rate equation is rate = k[A] 2 [B] Wh

Question

Given: 2 A + B + 2 C rightarrow 3D and the rate equation is rate = k[A] 2 [B] What is the order of the reaction? Consider the reaction 2 A +B 2+ C rightarrow A 2B + BC given that rate - k[A] 2 [C], with k = 3.0 Times 10 - 4 M-2/min. Determine the initial rate of the reaction if we start with [A] = 0.10 M, [B 2] = .35 M, and [C] = 0.25 M. Write the equilibrium expression !.owing reaction: MgCO 3 (s) doubleheadarrow MgO (s) + CO 2(g) Calculate the equilibrium constant for the reversible reaction PCI 3 + Cl 2 doubleheadarrow PCl 5 if at equilibrium [PCl 3] = 5.2 H, [Cl 2] = 0.1 M and [PCl 5 = 1.2 M.

Explanation / Answer

2. Order of the reaction = 3

3. Initial rate = 3 x 10^-4 x (0.1)^2 x (0.25)

                     = 7.5 x 10^-7 M/min

4. Equilibrium expression, Keq = [CO2]

5. Equilibrium constant Kc = (5.2)/(0.1)(1.2) = 43.33

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