Tag Archives: Chemistry

Phase Changes

Which opposite Phase Changes occur at the same temperature for a pure substance?

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Endpoint of a Titration

Which of the following is NOT needed to calculate the endpoint of a titration?

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Mass of the Gas

The density of an unknown gas under STP conditions is 3.17 g.L-1. What is the molecular mass of the gas?

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Recrystallization and You

Which statement below about recrystallization is NOT correct?

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The Gas Law

The following statement is a description of which Gas Law? “As a gas is heated under constant pressure its volume will increase in proportion to the change in temperature.”

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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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