Model 3: The Reaction Quotient. The reaction quotient, Qc, for the reaction, aA

Question

Model 3: The Reaction Quotient. The reaction quotient, Qc, for the reaction, aA bB cC dD is defined as follows: (A) (B) Note that the reaction quotient expression looks similar to the equilibrium constant expression. The difference is that the reaction quotient can be calculated at any time during the reaction at equilibrium or not at equilibrium. For reactions involving liquids or solids, the corresponding reaction quotient, Q, omits those species (the same species that are not included in the equilibrium constant expression). The reaction quotient for the conditions in Model 2 (after the 0.0600 moles of PC13 have been added) is (PC15) 4.55 x 102 (PC13) (C12) Critical Thinking Questions 5. Verify that Oc 4.55 x 102 in Model 2. 6. Is the reaction mixture at equilibrium? Ifnot, what will happen? a) No change because the system is at equilibrium. b) PC13 and Cl 2 must be consumed to form more PCls. c) PCls must be consumed to form more PC13 and Cl2. Explain your reasoning.

Explanation / Answer

6) note : data in insufficient . model 2 question is need to answer your questions.

     but i am giving overall view of concept . you can use this. you need only answer attache model 2 .up arrow indicates increases and down arrow indicates decreases.

explanation :

(i) Qc > Kc system will shift left (to reactant side) to reach equilibrium
(reactants and products Q and approaches K)
(ii) Qc < K c system will shift right (to product side) to reach equilibrium
(reactants and products Q and approaches K)
(iii) Q = K at equilibrium (no shift)

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