Tag Archives: MCAT

Otter Future

In a small lake, sea urchins graze upon small grasses that grow on the bottom. After the introduction of an exotic sea urchin, the small grasses became over grazed and absent. To solve the problem, a species of otter is introduced into the lake to predate upon the sea urchins, and the balance between the urchins and sea grasses is restored. What would be the appropriate term for the otter that was introduced?

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Electric Potential

Which of the following statements regarding electric current is true?

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I owe U a PAC Name

Provide the IUPAC name for the following compound:

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Chemical Equilibrium Constant

Consider the following reaction:

Which of the following can be concluded from the chemical equilibrium constant?

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Structural Relationship

What term accurately describes the structural relationship between (1R,2S)-1,2-dibromocyclopentane and (1R,2R)-1,2-dibromocyclopentane?

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Optically Active

_____________ refers to the method by which an optically reactive reagent or catalyst is used to transform an optically inactive starting material into an optically active product.

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Cohesive vs Adhesive

A liquid that has stronger cohesive forces than adhesive forces would have which type of meniscus?

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Favored Reaction in Thermodynamics

According to the second law of thermodynamics, which of the following reactions would be favored?

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Primitive Atmosphere

According to scientists, Oparin and Haldane, which of the following gases were present in the primitive atmosphere?

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Acceleration Expression

Which expression gives the acceleration of a 1kg mass on a frictionless inclined plane at 30o to the horizon, given that g = 9.8 m/s2?

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