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Reaction Quotient

Equilibrium c...

Question

Equilibrium constant, $K_{c}$ for the reaction.

$N_{2} (g) + 3 H_{2} (g \leftrightarrow 2 N H_{3} (g)$ at 500 K is 0.061.
At a particular time, the analysis shows that composition of the reaction mixture is 3.0 mol $L^{- 1} N_{2}, 2.0 m o l L^{- 1} H_{2}$ and 0.5 mol $L^{- 1} N H_{3}$ , Is the reaction at equilibrium? If not in which direction does the reaction tend to proceed to reach equilibrium?

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Solution

The given reaction is:
$\begin{matrix} N_{2 (g)} & + & 3 H_{2 (g)} & \leftrightarrow & 2 N H_{3 (g)} A t a p a r t i c u l a r t i m e : & 3.0 m o l L^{- 1} & 2.0 m o l L^{- 1} & 0.5 m o l L^{- 1} \end{matrix}$
$Q_{c} = \frac{[N H_{3}]^{2}}{[N_{2}] [H_{2}]^{3}} = \frac{(0.5)^{2}}{(3.0) (2.0)^{3}} = 0.0104$
It is given that $K_{c} = 0.061$
Since $Q_{c} \neq K_{c}$ , the reaction is not at equilobrium,
Since, $Q_{c} < K_{c}$ , the reaction will proceed in the forward to reach equilibrium.

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Similar questions

Equilibrium constant, K_c for the reaction

at 500 K is 0.061.

At a particular time, the analysis shows that composition of the reaction mixture is 3.0 mol L^–1 N₂, 2.0 mol L^–1 H₂ and 0.5 mol L^–1 NH₃. Is the reaction at equilibrium? If not in which direction does the reaction tend to proceed to reach equilibrium?

Q. Equilibrium constant,

K_{C}

for the reaction at

500 K

0.061

N_{2} (g) + 3 H_{2} (g) ⇌ 2 N H_{3} (g)

. At a particular time, the analysis shows that composition of the reaction mixture is

3.0 m o l L^{- 1}

N_{2},

2.0 m o l L^{- 1} H_{2}

0.5 m o l L^{- 1} N H_{3}

. Is the reaction at equilibrium and if not in which direction does the reaction tend to proceed to reach equilibrium?

Q. Equilibrium constant,

K_{C}

for the reaction

N_{2} (g) + 3 H_{2} (g) ⇌ 2 N H_{3} (g)

500 K

0.061

At a particular time, the analysis shows that composition of the reaction mixture is

3.0 m o l L^{- 1} N_{2}, 2.0 m o l L^{- 1} H_{2}

0.5 m o l L^{- 1} N H_{3} .

Is the reaction at equilibirium and if not in which direction does the reaction tend to proceed to reach equilibrium?

Q. Equilibrium constant,

K_{C}

for the reaction

N_{2} (g) + 3 H_{2} (g) ⇋ 2 N H_{3} (g)

at 500 K is 0.061
At a particular time, the analysis shows that composition of the reaction mixure is

3.0 m o l L^{- 1}

N_{2}, 2.0

m o l L

^{- 1} H_{2}

0.5 m o l L^{- 1}

N H_{3}

. Is the reaction at equilibrium and if not in which direction does the reaction tend to proceed to reach equilibrium?

Q. Equilibrium constant,

K_{c}

for the reaction

N_{2} (g) + 3 H_{2} (g) ⇌ 2 {N H}_{3} (g)

500 K

0.061

At a particular time, the analysis shows that composition of the reaction mixture is

3.0 m o l

L^{- 1}

N_{2}

2.0 m o l

L^{- 1}

H_{2}

0.5 m o l

L^{- 1}

{N H}_{3}

. Is the reaction at equilirbium? IF not in which direction does the reaction tend to proceed to reach equilibrium?

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Reaction Quotient

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