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

Author Question: What is the oxidation number change for the chromium atom in the following unbalanced reduction half ... (Read 126 times)

faduma

  • Hero Member
  • *****
  • Posts: 528
on: Feb 15, 2020

Question 1

What is the oxidation number of the oxygen atom in   O22-?
◦ +1
◦ +2
◦ -1
◦ -2

Question 2

What is the oxidation number change for the chromium atom in the following unbalanced reduction half reaction?

Cr2O72-(aq) + H+(aq) → Cr3+(aq) + H2O(l)


◦ -7
◦ -3
◦ +6
◦ +3
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by faduma on Feb 15, 2020

beccamahon

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Feb 15, 2020
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 39% of students answer this correctly


faduma

  • Member
  • Posts: 528
Reply 2 on: Feb 15, 2020
Great answer, keep it coming :)

cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

As a result of this change, deoxyhemoglobin S As a result of this change, deoxyhemoglobin S
Changes in chromosome number Changes in chromosome number
Family interactions change in response to the developing child, and parenting characteristics, such ... Family interactions change in response to the developing child, and parenting characteristics, such ...
How to use the discriminant to determine the number of roots for any quadratic equation How to use the discriminant to determine the number of roots for any quadratic equation
Neutral Technological Change Neutral Technological Change
Change in the frequency of a lethal recessive allele, a Change in the frequency of a lethal recessive allele, a
Video: Muscle Fatigue and Recovery

For a complete list of videos, visit our video library