Consider the Following Reaction, Equilibrium Concentrations, and Equilibrium Constant at a Particular

question 147

Multiple Choice

Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of NO₂(g) . N₂O₄(g) ⇌ 2NO₂(g) K_c = 0.21 M
[N₂O₄]_eq = 0.068 mol L^-1

• A) 1.9 mol L^-1
• B) 0.12 mol L^-1
• C) 0.60 mol L^-1
• D) 0.028 mol L^-1
• E) 0.036 mol L^-1

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Definitions:

Line-Angle Formula

A simplified chemical drawing that uses lines to represent bonds between atoms, omitting the symbols for carbon and hydrogen atoms.

Skeletal Structure

A simplified representation of organic molecules highlighting the bonds between carbon atoms without explicitly drawing hydrogen atoms.

Condensed Formulas

A method of writing a formula of a compound using the line bond structure but omitting the lines representing bonds to simplify the representation.

Line-Angle Structure

A simplified representation of chemical structures where bonds are represented by lines and carbon atoms are implied at each line's end and vertices.