An adult inhales about 6.0 x 10⁻⁴ m³ of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0 x 10⁵ pa and the air is at a temperature of 300 k.
how many oxygen molecules are in each breath?
a. 1.4 x 10²³
b. 2.9 x 10²¹
c. 4.9 x 10⁻⁴
d. 2.9 x 10²⁵
Answers: 3
Biology, 21.06.2019 15:00, elenaabad18
Which property is used to identify the origin of an igneous rock? color density hardness crystal size
Answers: 1
Biology, 21.06.2019 19:30, jonmorton159
Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.
Answers: 1
An adult inhales about 6.0 x 10⁻⁴ m³ of fresh air during a breath. only 20% of fresh air is oxygen....
History, 01.08.2019 08:30
Business, 01.08.2019 08:30
Social Studies, 01.08.2019 08:30
Business, 01.08.2019 08:30