My account
Edit my Profile
Private messages
My favorites

Near the earth’s surface, occupies about 78% and about 21% of the total volume of dry air.

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

Near the earth’s surface, ____ occupies about 78% and ____ about 21% of the total volume of dry air.

asked May 27, 2018 233k views

4 votes

Near the earth’s surface, ____ occupies about 78% and ____ about 21% of the total volume of dry air.

Geography
college

Sehe asked

by Sehe

8.0k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

3 votes

78% would be nitrogen. 21% would be oxygen.

Javier Vidal answered Jun 2, 2018

by Javier Vidal

8.1k points

0 Comments

Please log in or register to add a comment.

← Prev Question Next Question →

Related questions

asked Nov 27, 2021 484 views

Near Earth’s surface, ____ occupies about 78% and ____ about 21% of the total volume of dry air. a. hydrogen; oxygen b. nitrogen; oxygen c. oxygen; hydrogen d. nitrogen; water vapor

Alex Forbes asked Nov 27, 2021

by Alex Forbes

8.5k points

Biology
high-school

1 answer

3 votes

484 views

asked Dec 18, 2024 51.0k views

Dry air consists of approximately 78% nitrogen, 21% oxygen, and 1% argon by mole, with trace amounts of other gases. A tank of compressed dry air has a volume of 1.76 cubic feet at a gauge pressure of

David Beck asked Dec 18, 2024

by David Beck

8.2k points

Physics
high-school

1 answer

1 vote

51.0k views

asked Sep 25, 2017 128k views

Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at STP. Assume ideal behavior and use two significant figures in your answers.

NascarEd asked Sep 25, 2017

by NascarEd

8.1k points

Chemistry
high-school

1 answer

3 votes

128k views

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Near the earth’s surface, ____ occupies about 78% and ____ about 21% of the total volume of dry air.

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Related questions

Other Questions

Near the earth’s surface, occupies about 78% and about 21% of the total volume of dry air.