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Ask Le Chateliers Principle question free ×
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Le Chateliers Principle Free Doubts and Solutions

CBSE - XI Science - Chemistry - Equilibrium

Explain the effect of change in concentration on systems at equilibrium with the help of Le-Chatelier's principle.

Asked by Topperlearning User 22nd June 2016, 12:29 PM
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CBSE - XI Science - Chemistry - Equilibrium

What is Le Chatelier's principle?

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CBSE - XI Science - Chemistry - Equilibrium

What are the factors which affect chemical equilibria?

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CBSE - XI Science - Chemistry - Equilibrium

Define and explain the law of chemical equilibrium.

Asked by Topperlearning User 16th June 2016, 5:17 PM
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CBSE - XI Science - Chemistry - Equilibrium

For the equilibrium system described by:

PCl5 (g) rightwards harpoon over leftwards harpoon PCl3 (g) + Cl2 (g)

Keq equals 35 at 487°C. If the concentrations of the PCl5 and PCl3 are 0.015 M and 0.78 M, respectively, what is the concentration of the Cl2?

Asked by Topperlearning User 16th June 2016, 5:17 PM
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CBSE - XI Science - Chemistry - Equilibrium

What is the difference between adding inert gas at constant volume and adding inert gas at constant pressure?

Asked by Benjamin 3rd September 2015, 6:01 PM
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CBSE - XI Science - Chemistry - Equilibrium

For the equilibrium system described by 2 SO2 (g) + O2 (g) ↔ 2 SO3 (g) at a particular temperature the equilibrium concentrations of SO2, O2 and SO3 were 0.75 M, 0.30 M, and 0.15 M, respectively. Calculate the equilibrium constant, Keq, for the reaction.

Asked by Topperlearning User 27th April 2015, 4:22 PM
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CBSE - XI Science - Chemistry - Equilibrium

Write equilibrium expressions for the following reversible reactions:

2 NO2 (g) rightwards harpoon over leftwards harpoon N2O4 (g)
N2 (g) + 3 H2 (g) rightwards harpoon over leftwards harpoon 2 NH3 (g)
2 SO2 (g) + O2 (g) rightwards harpoon over leftwards harpoon 2 SO3             

Asked by Topperlearning User 27th April 2015, 4:17 PM
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CBSE - XI Science - Chemistry - Equilibrium

The following reaction is a reversible reaction. The value of Kc for this reaction is 31.4 at 588K.

CO(g) + H2O (g) rightwards harpoon over leftwards harpoon CO2 (g) + H2 (g)
If a 10.00L vessel has 2.50 mol CO2 and H2O, and 5.00 mol CO2 and H2 gas at 588K, which way will the reaction proceed ?

Asked by Topperlearning User 27th April 2015, 4:15 PM
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CBSE - XI Science - Chemistry - Equilibrium

The following reaction is at equilibrium:
4NH3 (g) + 3O2 (g) rightwards harpoon over leftwards harpoon 6H2O (g) + 2N2 (g)
How will the equilibrium shift if:
a) The volume is increased,

b) Helium gas is added

Asked by Topperlearning User 27th April 2015, 4:12 PM
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CBSE - XI Science - Chemistry - Equilibrium

How Kc, KP, Qc and ΔGo are related?

Asked by Topperlearning User 27th April 2015, 3:08 PM
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CBSE - XI Science - Chemistry - Equilibrium

if Qc is greater than Kc.reaction goes backward.and vice-versa.
HOW does that work?(just to remember this relation,im asking)

Asked by vicky Sekaran 12th November 2014, 10:39 PM
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