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jeyben [28]
3 years ago
11

Why does pressure vary in the atmosphere​

Chemistry
1 answer:
Digiron [165]3 years ago
7 0
Pressure varies in the atmosphere because air molecules are being pulled down towards the center of the earth-hope this helps!
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  If the temperature is kept constant, what change in volume would cause the pressure of an enclosed gas to be reduced to one-th
joja [24]
Using the ideal gas equation pV = nRT, where R is the ideal gas constant, we can show that p=nRT/V. Since n, R and T are all constants, p2/p1 = V1/V2 where p1 and p2 are the start and final pressures respectively and V1 and V2 are the start and final volumes respectively. For if p1 = 3*p2, the pressure would have fallen to one third of its original value, and it follows that V2 = 3*V1. Therefore, for the pressure to fall to a third of its original value, the volume must increase by a factor of 3.
3 0
3 years ago
a generic term for any solvent-based colored film applied to the nail plate for cosmetic purposes is:
mr Goodwill [35]

Answer:

Polish

Explanation:

Usually in our world today, people especially ladies could sometimes apply varnish to their fingernails or toenails to enhance their beauty by colouring them or making them become shiny.

These varnish are called nail polish and they are solvent based.

3 0
3 years ago
Write a brief passage describing a neutral atom of nitrogen-14 (N-14). Describe the number of protons, neutrons, and electrons i
Inessa [10]
In nitrogen-14, there are 7 protons, 7 neutrons, and 7 electrons. The protons and neutrons are in the nucleus, and the electrons are in the electron shells. The atomic number is the number of protons, the mass number is the number of protons AND neutrons, and the atomic mass is the average of the masses of all isotopes.
5 0
3 years ago
Read 2 more answers
19. Chemical properties can be used to
RoseWind [281]

Answer:differentiate between two compounds i think!

Explanation: taking a test!

7 0
3 years ago
what is a mole and why does a mole of magnesium and a mole of carbon weigh different they have the same number of atoms?
timofeeve [1]
~ A mole is a unit of 6*10^23.

~One mole of carbon atoms has a mass of exactly 12 g.

~ Because magnesium atoms each have twice the mass of carbon atoms ( 24Mg compared with 12C), one mole of magnesium has a mass of 24 g.

~ Rather, one mole of any element has a mass in grams that is equal to its relative atomic mass.
8 0
3 years ago
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