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

Author Question: How many atoms are in a 0.85 mole sample of helium? (Read 231 times)

folubunmi

  • Hero Member
  • *****
  • Posts: 524
on: Mar 21, 2021

Question 1

How can a mixture of iron and sulfur be separated?

◦ Use a magnet to remove the iron from the mixture.
◦ *

Question 2

How many atoms are in a 0.85 mole sample of helium?

◦ 5.12 × 1023 atoms
◦ *
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

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

Dnite

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Mar 21, 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 55% of students answer this correctly


folubunmi

  • Member
  • Posts: 524
Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review

at

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Electron Shells Determine the Reactivity of Atoms. Electron Shells Determine the Reactivity of Atoms.
Sample Exercise Prescription for Weight Training: Beginner Sample Exercise Prescription for Weight Training: Beginner
Sample Advance Directive Sample Advance Directive
How many gold atoms are contained in 3.75 moles of gold? How many gold atoms are contained in 3.75 moles of gold?
A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ... A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ...
Atoms Atoms
Video: Types of synapses - electrical & chemical

For a complete list of videos, visit our video library