sianmonts sianmonts

02-05-2017
Chemistry

contestada

Describe how samples of nitrogen and oxygen can be obtained from air?

Respuesta :

Аноним Аноним

02-05-2017

Well you will recall that about 78% of the air is nitrogen and 21% is oxygen. These two gases can be separated by fractional distillation of liquid air. And that is how there are obtained.

Answer Link

Otras preguntas

What is 3 square root of 24- 4 square root of 54

Substitution method 1) 3x + y = 7 4x + 2y = 16 2) 2x + 2y = 4 X - 2y = 0

All of the following were provisions of the Constitution as originally ratified EXCEPT (A) indirect election of senators (B) the counting of three fifths of sla

A wave with a large amplitude has a lot of a.vibration b.speed c.energy

The age-sex structure of a quickly growing population would probably have a. a wide base, showing many young individuals. b. a wide top, showing many older indi

Skeletal muscles need a rich blood supply to provide them with a. oxygen. b. carbon dioxide. c. water. d. none of the above

One light beam has wavelength, λ1, and frequency, f1. Another light beam has wavelength, λ2, and frequency, f2. Write a proportion that shows how the ratio of t

What is 3 square root of 24- 4 square root of 54

What is 3 square root of 24- 4 square root of 54

You go to another forest and measure the shadow of a tree as being 6 meters long. The shadow of your meter stick is 2 meters long. How tall is the tree?