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

A vertical straight wire carrying an upward 24-A current exerts an attractive force per unit length of 88 X 104N/m on a second parallel wire 7.0 cm away. What c

If a display has a dynamic range of 20 dB and the smallest voltage it can handle is 200 mV, then the largest voltage it can handle is_________V. a. 20 b. 2.0 c.

Take a look at the painting. What suggests that the artist of the painting is most likely an American? A. George Washington is depicted in the painting. B. Th

how much is 2 plus 9

In preparing a statement of cash flows under the indirect method, a decrease in accounts receivable would be reported or included as a(n): Addition to net incom

What are the 3 portions of the brain stem and what do each do?

What is the area of the composite figure A 88 B 80 C 110 D 112

Find RS in the picture please

Fluctuations in Estrogen are common in women of reproductive age. What side effect do you think may occur in post-menopausal women who take estrogen supplements

How many electrons are needed for 1 coulomb of negative charge?