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gayaneshka [121]
3 years ago
14

Collisions of helium atoms with the walls of a closed container cause

Chemistry
2 answers:
Korolek [52]3 years ago
6 0

In less scientific words

For number 1 is GAS PRESSURE

And number 2 is TEMPERATURE

  • I hope this works for you guys
  • :)

iogann1982 [59]3 years ago
5 0
1) Option b: gas pressure.

This is sustainted by the kinetic molecular theory of the gases.

2) Option c: raising the temperature of the gas will increase the pressure if the volumen of the gas and the number of particles are constant.

PV = nRT

If V and n are constant, P is proportional to T, then if T increase P will increase too.
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Ammonia is a main ingredient in fertilizers. The following reaction is used to synthesize ammonia, NH3. How many liters of ammon
PolarNik [594]
According to Balance chemical equation,

                                         N₂  +  3 H₂    →     2 NH₃

1 mole of Nitrogen reacts with 3 moles of Hydrogen to produce 2 mole of Ammonia.
It is known that i mole of any gas at standard temperature and pressure occupies 22.4 L of Volume. So, we can also say,

22.4 L (1 × 22.4) of Nitrogen gas (in question it is taken in excess) reacts with 67.2 L (22.4 × 3) of Hydrogen gas to produce 44.8 L (22.4 × 2) of Ammonia.

Result:
          44.8 L is the correct answer.
8 0
3 years ago
What is the formula for water​
NARA [144]

Answer:

H2O

Explanation:

EASIEST FORMULA ON EARTH

3 0
3 years ago
What is the volume of 0.5 moles of a gas at 2 atmospheres of pressure and 15°c​
liq [111]

Answer:

6l

Explanation: convert temperature to kelvin by adding 273 and then input the values into the formula with the given constant

2*v=0.5*0.8206*288 then divide both sides by 2 and get the amount in litres which is 6

4 0
3 years ago
A 50.0 −mL sample of 1.50×10−2 M Na2SO4(aq) is added to 50.0 mL of 1.28×10−2 M Ca(NO3)2(aq). What percentage of the Ca2+ remains
Norma-Jean [14]
When we have Ksp CaSO4 = 9.1x10^-6 so by substitution in Ksp formula:
Ksp CaSO4 = [Ca+2][SO4] 
1.9x10^-6   = [Ca+2][1.5x10^-2]
∴ [Ca+2] M in the solution =1.27x10^-4
when percent remaining = [Ca in solution]/[C original value] * 100
                                          = [(1.27x10^-4*(50ml+50ml)]/[1.28x10^-2*50ml]*100
                                          ≈ 2%
4 0
4 years ago
Water softeners often replace calcium ions in hard water with sodium ions. since sodium compounds are soluble, the presence of s
Mamont248 [21]
% mass Na = (g Na / g H2O) x 100 
<span>g Na = (% mass Na)(g H2O) / 100 = (5.2 x 10^-4 g Na / g H2O) </span>

<span>2.4 g Na x (1 g H2O / 5.2 x 10^-4 g Na) = 4600 g Na </span>

<span>4600 g Na x (1 mL H2O / 1 g H2O) = 4600 mL H2O = 4.6 L H2O which is a little more than a gallon</span>
6 0
3 years ago
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