The value of the equilibrium constant, K c , at a certain temperature is 5.10 x
ID: 824219 • Letter: T
Question
The value of the equilibrium constant, Kc, at a certain temperature is 5.10 x 100. If the reaction quotient for a mixture of these species at the same temperature is found to be 3.68 x 100, would the mixture yield more products, more reactants or is it at or near equilibrium? Assume a reaction quotient within a factor of 10 of the equilibrium constant is at equilibrium. Enter P, R or EQ.
The value of the equilibrium constant, Kp, at a certain temperature is 3.54 x 10-3. Would the reaction as represented by the chemical equation favor reactants or products? Enter P or R.
The value of the equilibrium constant, Kp, at a certain temperature is 5.80 x 10-1. If the reaction quotient for a mixture of these species at the same temperature is found to be 9.74 x 100, would the mixture yield more products, more reactants or is it at or near equilibrium? Assume a reaction quotient within a factor of 10 of the equilibrium constant is at equilibrium. Enter P, R or EQ.
At 1000 K the value of Kp for the equilibrium represented by the balanced equation is 6.33 x 10-3. Calculate the value of Kc for the reverse reaction at the same temperature. Express answer in scientific notation.
2NO2(g) = 2NO(g)+O2(g)
The value of the equilibrium constant, Kp, at a certain temperature is 2.09 x 10-2. Would the reaction as represented by the chemical equation favor reactants or products? Enter P or R.
The value of the equilibrium constant, Kc, at a certain temperature is 3.20 x 101. Would the reaction as represented by the chemical equation favor reactants or products? Enter P or R.
Explanation / Answer
1)EQ becaue at equilibrium reaction quotient=equilibrium constant (EQ)
2)AS equilibrium constant is less than 1,forward reaction is favoured (P)
3)EQ becaue at equilibrium reaction quotient=equilibrium constant (EQ)
4)equilibrium constant for the reverse reaction at the same temperature=1/kc=157.977=1.57*10^2
5)AS equilibrium constant is less than 1,forward reaction is favoured (P)
6)AS equilibrium constant is greater than 1,backward reaction is favoured (R)
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