A Rate Constant Obeys the Arrhenius Equation, the Factor a Being

question 17

Multiple Choice

A rate constant obeys the Arrhenius equation, the factor A being 2.2 ×10¹³ s⁻¹ and the activation energy being 150. kJ mol⁻¹. What is the value of the rate constant at 227°C, in s⁻¹?

• A)2.1 × 10 ¹³ s ⁻¹
• B)6.7 × 10 ⁻²² s ⁻¹
• C)1.5 × 10 ¹¹ s ⁻¹
• D)4.7 × 10 ⁻³ s ⁻¹
• E)None of these choices are correct.

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Definitions:

Linear Relationships

A direct relationship between two variables where a change in one variable is associated with a proportional change in the other.

Scale

A system or series of marks used for measuring or quantifying objects or phenomena.

Curved Relationships

Relationships between two variables that do not follow a straight line when plotted on a graph, indicating a nonlinear association.

Explanatory Variables

Variables in a statistical model that are used to explain variations in the dependent variable, also known as independent variables.