SIN Starter Quiz - M6L4

The value of the rate constant k changes in which way when temperature is increased?

• It increases

• It decreases

• It remains the same

• It becomes zero

Identify the missing labels from the axes of the graph.

• x axis: T and y axis: k

• x axis: 1/T and y axis: ln k

• x axis: T and y axis: 1/ln k

• x axis: ln k and y axis: T

The line of best fit is not good. What is the reason?

• The points are scattered far from the line.

• The line passes through all the points.

• the points are not equally distributed on both sides of the line

• The line fits the data exactly.

The line’s gradient is -3492. Give Ea in kJmol^-1.

• -29.0 kJmol^-1

• +29.0 kJmol^-1

• -45.8 kJmol^-1

• +62.3 kJmol^-1

This graph cannot be used to find the intercept because:

• the intercept is not shown on the graph.

• the x-axis does not start at zero

• the y-axis does not start at zero

• the graph is a straight line.

If the intercept is 2.10, calculate A.

• A = 8.17.

• A = 6.05

• A = 4.21

• A = 8.05