The Rate Constant of a First-Order Decomposition Reaction Is 0

question 24

Multiple Choice

The rate constant of a first-order decomposition reaction is 0.0147 s^-1.If the initial concentration of reactant is 0.178 M,what is the concentration of reactant after 30.0 seconds?

• A) 8.72 × 10⁵ M
• B) 0.0645 M
• C) 0.115 M
• D) 0.0785 M
• E) 0.643 M

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Definitions:

Yield %

The income return on an investment, such as the interest or dividends received, expressed as a percentage of the investment's cost or value.

Default Risk Premium

The additional yield that investors require to invest in bonds that have a risk of default, compared to risk-free bonds.

Liquidity Risk Premium

The extra yield or return that investors demand for holding a security that may not be easily sold or converted into cash without a significant loss in value.

Maturity Risk Premium

The additional yield demanded by investors as compensation for the increased risk of holding a bond as it approaches its maturity date.