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

Author Question: What mass of potassium superoxide could be prepared from 15.6 g of potassium metal and excess oxygen? (Read 48 times)

gbarreiro

  • Hero Member
  • *****
  • Posts: 566
on: Jul 8, 2021

Question 1

What mass of borax [Na2B4O7(H2O)10] could be prepared from 25 kg of colemanite ore [Ca2B6O11(H2O)5] by a process that is 95% efficient, assuming that no other boron-containing product is formed?
◦ 47 kg
◦ 42 kg
◦ 33 kg
◦ 31 kg
◦ 20 kg

Question 2

What mass of potassium superoxide could be prepared from 15.6 g of potassium metal and excess oxygen?
◦ 37.6 g
◦ 15.6 g
◦ 22.0 g
◦ 28.4 g
◦ 0.399 g
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 gbarreiro on Jul 8, 2021

Ptupou85

  • Sr. Member
  • ****
  • Posts: 334
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


gbarreiro

  • Member
  • Posts: 566
Reply 2 on: Jul 8, 2021
Excellent

strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

The Atmosphere’s Oxygen Came from Photosynthetic Organisms The Atmosphere’s Oxygen Came from Photosynthetic Organisms
Polar ice caps lose mass as surface ice melts Polar ice caps lose mass as surface ice melts
Percent of oxygen in the atmosphere versus altitude. Percent of oxygen in the atmosphere versus altitude.
The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ... The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ...
Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl
Mass spectrometry (MS) patterns for a trypsin-digested peptide sequence Mass spectrometry (MS) patterns for a trypsin-digested peptide sequence
Video: Interview with an Anorexic Woman (Part 1 of 2)

For a complete list of videos, visit our video library