Chemistry, 21.05.2021 15:20 missy922527

Earth’s atmosphere is a mixture of gases. Which gas makes up almost 80% of the atmosphere by volume? A.
oxygen
B.
nitrogen
C.
carbon dioxide
D.
water vapor

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 19:30, aapowell1

What is the common name for the compound shown here? enter the common name of the compound shown?

Answers: 2

continue

Chemistry, 23.06.2019 10:30, laleona01

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol

Answers: 2

continue

Chemistry, 23.06.2019 12:30, hollycoleman13

Choose one literary selection from this semester in which you think the setting has a great impact on the work. in a full paragraph name the work, describe the setting, and explain why it is so important to the overall story or poem.

Answers: 1

continue

Chemistry, 23.06.2019 12:30, Vipain02

The equilibrium constant kc for the reaction 2 nocl(g) → 2 no(g) + cl2(g) is 0.453 at a certain temperature. a mixture of nocl, no, and cl2 with concentrations 1.30, 1.20, and 0.600 m, respectively, was introduced into a container at this temperature. which of the following is true? 1. no apparent reaction takes place. 2. [cl2] = 0.30 m at equilibrium. 3. nocl(g) is produced until equilibrium is reached. 4. [nocl] = [no] = [cl2] at equilibrium. 5. cl2(g) is produced until equilibrium is

Answers: 3

continue

You know the right answer?

Earth’s atmosphere is a mixture of gases. Which gas makes up almost 80% of the atmosphere by volume?...