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A 30-L Sample of Helium Was Placed in a Container Fitted

question 68

Multiple Choice

A 3.0-L sample of helium was placed in a container fitted with a porous membrane. Half of the helium effused through the membrane in 24 hours. A 3.0-L sample of oxygen was placed in an identical container. How many hours will it take for half of the oxygen to effuse through the membrane?


Definitions:

Organic Product

The compound formed as the result of an organic chemical reaction.

Reaction

A process in which one or more substances, the reactants, are converted to one or more different substances, the products.

Hydroboration-Oxidation

A two-step chemical reaction that converts alkenes into neutral alcohols via the addition of borane followed by oxidation.

Alkenes

Unsaturated hydrocarbons containing at least one carbon-carbon double bond, with the general formula CnH2n.

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