Homework Answers
K << 1
Since K is dined as:
K = [product]/[reactant],
We can say that:
[product] << [reactant]
So, it favours the reactants that is to the left
Answer: option 4
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QUESTION 4 the concentration The position of the equilibrium for a system where K = 8.4...
Question 4 (1 point) What will happen if concentration of O2 is increased after equilibrium has...
Question 4 (1 point) What will happen if concentration of O2 is increased after equilibrium has been established? C2H6(g) + 702(g) 4 CO2(g) + 6H2O(g) Shift right, forward favored Shift right, reverse favored Shift left, forward favored Shift left, reverse favored
Predict and calculate the effect of concentration changes on an equilibrium system. Close Problem Some SO2Cl2...
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dal values if needed for this question Consider the following system at equilibrium where AH* =...
dal values if needed for this question Consider the following system at equilibrium where AH* = 92.7 kJ, and K = 1.80*10*, at 298 K, NH,HS() NH3(e) + H2S(g) When some moles of NH HS(s) are added to the equilibrium system at constant temperature: The value of Kc The value of QC The reaction must run in the forward direction to restablish equilitlum. run in the reverse direction to restablish equilibrium. remain the same. It is already at equilibrium. The...
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Consider the following system at equilibrium where AH° = 10.4 kJ, and K. -1.80x10-2, at 698...
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Consider the following system at equilibrium where AH° = 16.1 kJ, and K. -6.50x103, at 298...
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Consider the following system at equilibrium where AH° -87.9 kJ/mol, and K 83.3 , at 500...
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Question 4 (1 point) What will happen if concentration of O2 is increased after equilibrium has been established? C2H6(g) + 702(g) 4 CO2(g) + 6H2O(g) Shift right, forward favored Shift right, reverse favored Shift left, forward favored Shift left, reverse favored
Predict and calculate the effect of concentration changes on an equilibrium system. Close Problem Some SO2Cl2 is allowed to dissociate into SO2 and Cl2 at 373 K. At equilibrium, [SO2C2] 0.206 M, and [SO2] [C12-0.127 M. Additional SO2C12 is added so that [SO2CI!new-0.35i M and the system is allowed to once again reach equilibrium. so2C2(g) 2so2(g)+ C2(g) K-7.84x102 at 373 K (a) In which direction will the reaction proceed to reach equilibri to the right to the left b) What...
dal values if needed for this question Consider the following system at equilibrium where AH* = 92.7 kJ, and K = 1.80*10*, at 298 K, NH,HS() NH3(e) + H2S(g) When some moles of NH HS(s) are added to the equilibrium system at constant temperature: The value of Kc The value of QC The reaction must run in the forward direction to restablish equilitlum. run in the reverse direction to restablish equilibrium. remain the same. It is already at equilibrium. The...
B3438 QUESTION 24 What is the equilibrium constant (K) at 350 K for the following reaction? (R= 8.314 J/K.mol, F = 96,500 C-moll) Sn2+ (aq) + Fe(s) Sn(s) + Fe2+(aq) E cell = 0.35 V O 7.1 x 10-11 1.2 x 1010 1.2 x 105 8.6 x 10- 2.3 1023 QUESTION 30 A chemist adds substance A and B to a reaction flask and allows equilibrium to establish A+B=CKc= 1.5 x 10-25 Which of the following describe the contents of...
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Consider the following system at equilibrium where AH° = 16.1 kJ, and K. -6.50x103, at 298 K: 2NOBr(g) 22NO(g) + Brz(8) If the TEMPERATURE on the equilibrium system is suddenly increased: The value of KC A. Increases B. Decreases C. Remains the same The value of QC A. Is greater than K B. Is equal to K C. Is less than K. The reaction must: A. Run in the forward direction to restablish equilibrium. B. Run in the reverse direction...
QUESTION 4 Which of the following statements about a system at chemical equilibrium is true? The concentrations of the reactants and products remain constant. The concentration of products is always greater than the concentration of reactants. The concentration of products is always less than the concentration of reactants. There are no products formed. There are no more reactants left.
9. By increasing the pressure on increasing the pressure on the equilibrium system for the reaction 2H S (g) → 2H2(g) + S2(g) The equilibrium position is shifted towards a direction : A) right and the value of K decreases B) right and the value of K is established C) left and increase the value of K D) left and the value of K is established. 10. When adding 0.22 mol of ozone to this reaction: NO(g) +O3(g) NO2(g) +...
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