ÇíãÇä

This page lists questions and answers that were posted by visitors named ÇíãÇä.

Questions

The following questions were asked by visitors named ÇíãÇä.

Air is composed of about 21% oxygen, 78% nitrogen and 1% other gases. What is the partial pressure of oxygen at STP?
11 years ago

Answers

The following answers were posted by visitors named ÇíãÇä.