Homework Clinic

Science Clinic => Chemistry => Topic started by: LCritchfi on Nov 18, 2019

Title: A reaction is found to have an activation energy of 38.0 kJ mol-1. If the rate constant for this ...
Post by: LCritchfi on Nov 18, 2019

Question 1

A reaction is found to have an activation energy of 108 kJ mol-1. If the rate constant for this reaction is 4.60 × 10-6 s-1 at 275 K, what is the rate constant at 366 K?
◦ 5.4 × 10-5 s-1
◦ 1.9 × 10-4 s-1
◦ 0.58 s-1
◦ 12 s-1
◦ 1.7 s-1

Question 2

A reaction is found to have an activation energy of 38.0 kJ mol-1. If the rate constant for this reaction is 1.60 × 102 L mol-1 s-1 at 249 K, what is the rate constant at 436 K?
◦ 7.94 × 104 L mol-1 s-1
◦ 2.38 × 105 L mol-1 s-1
◦ 3.80 × 104 L mol-1 s-1
◦ 1.26 × 103 L mol-1 s-1
◦ 4.20 × 105 L mol-1 s-1

Title: A reaction is found to have an activation energy of 38.0 kJ mol-1. If the rate constant for this ...
Post by: mjbamaung on Nov 18, 2019

Answer 1

0.58 s-1

Answer 2

4.20 × 105 L mol-1 s-1