This topic contains a solution. Click here to go to the answer

Author Question: When Cr2O72-(aq) + HNO2(aq) Cr3+(aq) + NO3(aq) is balanced in acid, there are three electrons ... (Read 18 times)

CORALGRILL2014

  • Hero Member
  • *****
  • Posts: 525

Question 1

Water is added to balance the number of oxygen atoms in a half-reaction.

◦ true
◦ false

Question 2

When Cr2O72-(aq) + HNO2(aq) → Cr3+(aq) + NO3−(aq) is balanced in acid, there are three electrons transferred in the oxidation-reduction.

◦ true
◦ false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by CORALGRILL2014 on Mar 21, 2021

jaaaaaaa

  • Sr. Member
  • ****
  • Posts: 341
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




CORALGRILL2014

  • Member
  • Posts: 525
Reply 2 on: Mar 21, 2021
Excellent


shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

For a complete list of videos, visit our video library