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 138 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
Excellent

recede

  • Member
  • Posts: 315
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Desertification and Climate Change Desertification and Climate Change
Observed change in surface temperature from 1901 to 2012 Observed change in surface temperature from 1901 to 2012
The Global Impact of Climate Change The Global Impact of Climate Change
Mayan Number Mayan Number
Number of Mutations Associated with Specific Forms of Cancer Number of Mutations Associated with Specific Forms of Cancer
Epigenetic changes to DNA, such as methylation, change patterns of gene expression by activating or Epigenetic changes to DNA, such as methylation, change patterns of gene expression by activating or
Video: Ventilation - phases and driving forces

For a complete list of videos, visit our video library