For the Following Reaction, the Equilibrium Constant Kc Is 2

question 64

Multiple Choice

For the following reaction, the equilibrium constant Kc is 2.0 at a certain temperature. If the concentration of both products is 0.10 M at equilibrium, what is the concentration of the starting material, NOBr?
2NOBr(g) ⇌ 2NO(g) + Br₂(g)

• A) 5 × 10^-4 M
• B) 2.2 × 10^-4 M
• C) 5 × 10^-2 M
• D) 2.2 × 10^-2 M
• E) 2.2 M

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Definitions:

Bastiat's "Petition

Refers to Frédéric Bastiat's satirical petition in "Economic Sophisms," illustrating the absurdity of protectionism and trade barriers.

Protectionism

Economic policies and measures taken by a government to protect its domestic industries from foreign competition by imposing tariffs, quotas, or regulations.

Import Quota

A governmental limit on the quantity of a certain type of good that can be imported into a country, used to protect domestic industries.