Equilibrium

Equilibrium

Question

For the reaction

2 NO subscript 2 space left parenthesis straight g right parenthesis space rightwards harpoon over leftwards harpoon with space space space space space on top space 2 NO subscript space left parenthesis straight g right parenthesis end subscript space plus space straight O subscript 2 left parenthesis straight g right parenthesis
left parenthesis straight K subscript straight c space equals 1.8 space straight x space 10 to the power of negative 6 end exponent space at space 184 to the power of straight o space straight C right parenthesis
left parenthesis straight R space equals space 0.0831 space kJ divided by left parenthesis mol. straight K right parenthesis

When Kp and Kc are compared at 184oC, it is found that

  • Kp is greater than Kc

  • Kp is less than Kc

  • Kp = Kc

  • Whether Kp is greater than, less than or equal to Kc depends upon the total gas pressure

Answer

A.

Kp is greater than Kc

Kp = Kc RT∆n n =1
Kp > Kc

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