amcast2020 amcast2020

20-04-2018
Chemistry

contestada

What is the mass of 18.8 moles of helium (He) atoms?
0.213 g
4.70 g
37.6 g
75.2 g

Respuesta :

questioner8 questioner8

20-04-2018

75.2 grams....????? Maybe

Answer Link

Otras preguntas

Can anyone solve these math problems please i need them done by tonight

Chase will make no more than 20 bookmarks for his classmates. He needs 9.75 inches of fabric for each bookmark.

If cos θ = -4/7, what are the values of sin θ and tan θ?

Kazi's boss also asks him to create a visual aid showing his hotel's average room prices over the last 20 years. Which visual aid should Kazi choose?

How does the cost of police and emergency services compare with that of other city budget items? a) Usually the lowest budgetary allocation b) Comparable to oth

Regarding manure-load management, weight is the only issue.a. trueb. false

Which of the following is NOT part of a sustainability vision?A) It should show how the firm's overall business strategy reflects its impact on societyB) It sho

Which three statements are primary attributes of next-generation programmatic interfaces?a. Flexibility, compatibility, speedb. Automation, efficiency, security

The only one permitted to introduce revenue and appropriation bills in Congress is the: a) Speaker of the House b) Senate Majority Leader c) President Pro Tempo

Simplify 2(6x-1)-7(4+2x)