Homework Help is Here – Start Your Trial Now!
Science
Chemistry
Calculate the activation energy of a reaction if its rate constant is 2.8 x 10® s-1 at 24°C and 1.5 x 107 s-1 at 48°C.

Calculate the activation energy of a reaction if its rate constant is 2.8 x 10® s-1 at 24°C and 1.5 x 107 s-1 at 48°C.

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.58PAE: Phosphorus exists in multiple solid phases, including two known as red phosphorus and white...
See similar textbooks
icon
Related questions
Question
k2 = 11.5 s-1 at T2 = 75°C + 273 R= 8.314 J/mol•K Required Ea Strategy: Use Arrhenius equation: k In In 0.75 s1 = En 348.15 K 298.15 K 11.5 s-1 8.314 J/mol-K (- 0.000481691 K-1) En 8.314 J/mol•K -2.73003 = - 2.73003 E = - 0.000057937 J/mol E, = 47.1 kJ/mol reck Activity 4 Problem Solving: Copy the problem below and answer. Write your answer in a separate sheet of рaper. Calculate the activation energy of a reaction if its rate constant is 2.8 x 106 s-1 at 24°C and 1.5 x 107 s-1 at 48°C. 5. Overview (STEM- GC11CKIli-j-138) A catalyst is a substance that changes the speed of a chemical reaction without undergoing a permanent chemical change itself. Most reactions in the body, the atmosphere, and the oceans occur with the help of catalysts. Much industrial chemical research is devoted to the search for more effective catalysts for reactions of commercial importance. A. Homogeneous catalyst A catalyst that is present in the same phase as the reactants in a reaction mixture is called a homogeneous catalyst. Examples abound both in solution and in the gas phase. Consider, for example, the decomposition of aqueous hydrogen peroxide, H2O2(aq), into water and oxygen: 2 H2O2(aq) 2 H2O(1) + O2(g) 2 Br (aq) + H2O2{aq) + 2 H*Br2(aq) + 2 H20(1) (with catalyst as Br (aq)) same (without catalyst) phase with H2O2{aq)
Transcribed Image Text:k2 = 11.5 s-1 at T2 = 75°C + 273 R= 8.314 J/mol•K Required Ea Strategy: Use Arrhenius equation: k In In 0.75 s1 = En 348.15 K 298.15 K 11.5 s-1 8.314 J/mol-K (- 0.000481691 K-1) En 8.314 J/mol•K -2.73003 = - 2.73003 E = - 0.000057937 J/mol E, = 47.1 kJ/mol reck Activity 4 Problem Solving: Copy the problem below and answer. Write your answer in a separate sheet of рaper. Calculate the activation energy of a reaction if its rate constant is 2.8 x 106 s-1 at 24°C and 1.5 x 107 s-1 at 48°C. 5. Overview (STEM- GC11CKIli-j-138) A catalyst is a substance that changes the speed of a chemical reaction without undergoing a permanent chemical change itself. Most reactions in the body, the atmosphere, and the oceans occur with the help of catalysts. Much industrial chemical research is devoted to the search for more effective catalysts for reactions of commercial importance. A. Homogeneous catalyst A catalyst that is present in the same phase as the reactants in a reaction mixture is called a homogeneous catalyst. Examples abound both in solution and in the gas phase. Consider, for example, the decomposition of aqueous hydrogen peroxide, H2O2(aq), into water and oxygen: 2 H2O2(aq) 2 H2O(1) + O2(g) 2 Br (aq) + H2O2{aq) + 2 H*Br2(aq) + 2 H20(1) (with catalyst as Br (aq)) same (without catalyst) phase with H2O2{aq)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Rate Laws
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry for Engineering Students
Chemistry for Engineering Students
Chemistry
ISBN:
9781337398909
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning
Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781133611097
Author:
Steven S. Zumdahl
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry for Engineering Students
Chemistry for Engineering Students
Chemistry
ISBN:
9781285199023
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS