This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: At 30C, by how much is a reaction's activation energy decreased by the addition of a catalyst if the ... (Read 46 times)

jojoperlo_

  • Full Member
  • ***
  • Posts: 152
on: Nov 5, 2023

Question 1

At 25°C, the second-order reaction NOCl(g) → NO(g) + 1/2Cl2(g)is 50% complete after 5.82 hours when the initial concentration of NOCl is 4.46 mol/L.  How long will it take for the reaction to be 75% complete?
◦ 8.22 hr
◦ 11.6 hr
◦ 15.5 hr
◦ 17.5 hr
◦ 23.0 hr

Question 2

At 30°C, by how much is a reaction's activation energy decreased by the addition of a catalyst if the catalyst triples the reaction rate?
◦ 2.77 kJ/mol
◦ 274 J/mol
◦ 2.70 J/mol
◦ 119 J/mol
◦ 1.20 kJ/mol
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by jojoperlo_ on Nov 5, 2023

ladan86

  • Full Member
  • ***
  • Posts: 150
Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


jojoperlo_

  • Member
  • Posts: 152
Reply 2 on: Nov 5, 2023
Thanks for the timely response, appreciate it

marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

The relationship between free energy and electron movement along the electron transport chain The relationship between free energy and electron movement along the electron transport chain
Mechanism of ERK activation and cell proliferation Mechanism of ERK activation and cell proliferation
Energy of reactant molecules. Energy of reactant molecules.
Energy flow and chemical cycling Energy flow and chemical cycling
Energy pyramid Energy pyramid
Video: How does asthma work?And How do you treat asthma?

For a complete list of videos, visit our video library