Calculating Activation Energy on Excel (from Arrhenius Equation)

The video tutorial explains the relationship between temperature and the rate constant of a reaction, using the Arrhenius equation. It demonstrates how to calculate activation energy and the Arrhenius factor by graphing the natural log of the rate constant against the inverse of temperature. The tutorial includes practical steps for plotting data in Excel, analyzing the trend line, and interpreting the slope and y-intercept to derive key reaction parameters.

What is the relationship between temperature and the rate constant in a chemical reaction?

• They are inversely proportional.

• They are directly proportional.

• They are equal.

• They are unrelated.

What mathematical operation is applied to the Arrhenius equation to facilitate the calculation of activation energy?

• Taking the derivative

• Taking the reciprocal

• Taking the natural log

• Taking the square root

In the context of the Arrhenius equation, what does the slope of the line represent when plotting ln(k) versus 1/T?

• The rate constant

• The temperature in Kelvin

• The activation energy divided by the gas constant

• The Arrhenius factor

Which software tool is mentioned for plotting the natural log of the rate constant against the reciprocal of temperature?

• R

• Excel

• Python

• MATLAB

What is the unit of the activation energy when calculated using the slope of the graph?

• Joules per mole

• Kelvin

• Moles per liter

• Seconds

How can the Arrhenius factor be determined from the graph?

• By measuring the x-axis

• By using the temperature values

• By calculating the slope

• By finding the y-intercept

What is the value of the Arrhenius factor as calculated in the video?

• 0.8893

• 0.382

• 1.932

• 0.671