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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Definitions:

Species Richness

The number of different species represented in an ecological community, landscape, or region.

Müllerian Mimicry

The resemblance of dangerous, unpalatable, or poisonous species to one another so that potential predators recognize them more easily. Compare with Batesian mimicry.

Batesian Mimicry

The resemblance of a harmless or palatable species to one that is dangerous, unpalatable, or poisonous so that predators are more likely to avoid them. Compare with Müllerian mimicry.

Warning Colors

Bright colors exhibited by some animals as an evolutionary strategy to warn predators of their toxicity or unpleasant taste.