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

Author Question: What is the percent yield if 122 grams of SiO2 are made from 246 g of Cr2O3 by the following ... (Read 18 times)

tiara099

  • Hero Member
  • *****
  • Posts: 588
on: Jul 8, 2021

Question 1

What is the oxidation number change for the manganese atom in the following unbalanced reduction half-reaction:

MnO4- (aq) + H+(aq) → Mn2+(aq) + H2O(l)

◦ -7
◦ -5
◦ +5
◦ +7

Question 2

What is the percent yield if 122 grams of SiO2 are made from 246 g of Cr2O3 by the following equation?

3 Si(s) + 2 Cr2O3(s) → 3 SiO2(s) + 4 Cr(l)

◦ 83.6%
◦ 49.6%
◦ 125%
◦ 33.1%
◦ 59.3%
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by tiara099 on Jul 8, 2021

Eazy416

  • Sr. Member
  • ****
  • Posts: 360
Reply #1 on: Jul 8, 2021
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


tiara099

  • Member
  • Posts: 588
Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

AISCAMPING

  • Member
  • Posts: 347
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

The discovery of aquaporins, water channels made of a transmembrane protein. The discovery of aquaporins, water channels made of a transmembrane protein.
An aryballe vase or decanter made for carrying body oils clearly demonstrates that ancient Greeks we An aryballe vase or decanter made for carrying body oils clearly demonstrates that ancient Greeks we
Identical twins share 100 percent of their segregating genes. Identical twins share 100 percent of their segregating genes.
A mere one-half percent of Americans owns over a quarter of the entire nation’s wealth. Very few ... A mere one-half percent of Americans owns over a quarter of the entire nation’s wealth. Very few ...
Structure of a Sterol Rather than being made from fatty acids Structure of a Sterol Rather than being made from fatty acids
What is the discounted value of deposits of $150.00 made at the end of each month for fourteen ... What is the discounted value of deposits of $150.00 made at the end of each month for fourteen ...
Video: TRH/TSH/Thyroid hormone

For a complete list of videos, visit our video library