At 25°C the Rate Constant for the First-Order Decomposition of a Pesticide

question 67

Multiple Choice

At 25°C the rate constant for the first-order decomposition of a pesticide solution is 6.40  10^-3 min^-1. If the starting concentration of pesticide is 0.0314 M, what concentration will remain after 62.0 min at 25°C?

• A)1.14  10^-1 M
• B)47.4 M
• C)-8.72.0 M
• D)2.11  10^-2 M
• E)2.68  10^-2 M

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Definitions:

Elastic

Describes a situation in which the supply or demand for a good or service significantly changes in response to price changes.

Elasticity of Demand

An indicator of the variation in the amount of a good or service desired with respect to its price fluctuation.

Slightly Inelastic

Describes demand or supply that is only marginally responsive to changes in price, with the quantity demanded or supplied changing by a smaller percentage than the price change.

Quantity Supplied

The amount of a good or service that producers are willing and able to sell at a given price over a specific period.