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 68 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 :)

ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Here's how comic book heroes are made Here's how comic book heroes are made
Healed bone fractures can provide clues about activities and fresh fractures can yield information a Healed bone fractures can provide clues about activities and fresh fractures can yield information a
Emanuel Leutze’s Washington Crossing the Delaware (1851) is riddled with historical inaccuracies, mo Emanuel Leutze’s Washington Crossing the Delaware (1851) is riddled with historical inaccuracies, mo
Harlem’s Promise Academy has a record of graduating and sending to college more than 90 percent ... Harlem’s Promise Academy has a record of graduating and sending to college more than 90 percent ...
How to solve any percent error problem How to solve any percent error problem
At what pH is the amino acid glycine with a Ka of 2.51 × 10-10 sixty-six (66%) percent ... At what pH is the amino acid glycine with a Ka of 2.51 × 10-10 sixty-six (66%) percent ...
Video: Mechanics of Sound Animation

For a complete list of videos, visit our video library