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frosja888 [35]
2 years ago
11

Which of the following is the primary use of land in the United States?

Chemistry
1 answer:
Blizzard [7]2 years ago
5 0

Answer:

pasture/range

Explanation:

this is because more than 1/3 of the country's land is being used for this mean alone.

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What are the products of the reaction below?:<br> calcium chloride+ silver nitrate
WARRIOR [948]

Answer:

Calcium chloride react with silver nitrate to produce calcium nitrate and silver(I) chloride.

6 0
3 years ago
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A gas at constant volume has a pressure of 3.20 atm at 300. K. What will be the pressure of the gas at 290. K?
melomori [17]
  • From the general law of gases: PV = nRT,

where P is the pressure (atm),

V is the volume (L),

n is the number of moles,

R is the general gas constant (8.314 L.atm/mol.K),

T is the temperature in Kelvin

  • at constant volume of the gas: P1T2 = P2T1

P1 = 3.20 atm, T1 = 300 K, T2 = 290 K, P2 = ??

(3.20 atm)(290 K) = P2(300 K)

P2 = (3.20 atm)(290 K)/ (300 K) = 3.093 atm

3 0
3 years ago
The principle quantum number (n) describes what
slega [8]

Answer:

the energy of an electron and the most probable distance of the electron from the nucleus.

Explanation:

The principal quantum number, n, describes the energy of an electron and the most probable distance of the electron from the nucleus. In other words, it refers to the size of the orbital and the energy level an electron is placed in. The number of subshells, or l, describes the shape of the orbital.

Glad I could help!!

8 0
3 years ago
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NH3 +<br>H2SO4 → __(NH4)2SO4​
Zielflug [23.3K]

Answer:

This is not a balanced equation

Explanation:

Let's make it a balanced equation.

2 NH3 + H2So4 = (NH4)2So4

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8 0
3 years ago
What is the pH of a 0.0001 M aqueous solution of HCI?
IgorLugansk [536]
PH=4
-log(0.0001)=4
4 0
3 years ago
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