At a Certain Temperature K for the Reaction 2NO₂

question 18

Multiple Choice

At a certain temperature K for the reaction 2NO₂ N₂O₄ is 7.5 liters/mole.If 2.0 moles of NO₂ are placed in a 2.0-liter container and permitted to react at this temperature,calculate the concentration of N₂O₄ at equilibrium.

• A)0.39 moles/liter
• B)0.65 moles/liter
• C)0.82 moles/liter
• D)7.5 moles/liter
• E)none of these

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