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crimeas [40]
2 years ago
8

Which proportionality applies to Avogadro’s law?

Chemistry
2 answers:
BlackZzzverrR [31]2 years ago
6 0

Answer:

V∝n

Explanation:

this is the correct answer on ed-genuity, hope this helps! :)

Nata [24]2 years ago
5 0
Avogadro's Law states that the volume of any gas is proportional to the number of mole molecules of the gas. Calling, n the number of moles of molecules of the gas, the proportionality equation is: V is proportional to n => V = K*n. The proportionality constant depends on the temperature and pressure. K = (RT / P) => V = (RT/P) * n, So, Avogadro's law states that <span>at constant pressure and temperature, the volume of a gas is directly proportional to the number of moles of molecules of the gas.</span>
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!: (a) 20 cm: 80
RoseWind [281]

Answer:

THE LENGTH OF THE AIR COLUMN IS 9.5 CM

Explanation:

Taking the atmospheric pressure to be 760 mmHg;

When the capillary tube is held horizontally, the pressure of the tube is 760 mmHg

when the capillary tube is held vertically, the pressure increases by 4 cm = 40 mm

The new pressure of the tube is hence, 760 + 40 mmHg = 800 mmHg

Using the pressure forlmula;

P1 V1 = P2 V2

P1 A1 L1 = P2 A2 L2

where A1 and A2 is the area of the capillary tube and it is equal, it cancels out.

P1 l1 = P2 l2

l2 = P1 l1 / P2

l2 = 760 * 10 / 800

l2 = 9.5 cm

The length of the air in the tube is 9.5 cm.

5 0
3 years ago
HELPPPPPP<br><br> is this <br> 1:conduction<br> 2:radiation<br> 3:convection
qaws [65]

Answer:

Radiation

Explanation:

Sun rays shine on earth. Thats radiation.

3 0
3 years ago
What happens when an island volcano erupts and molten lava flows out?
qwelly [4]
It will explode together cause danger  
3 0
3 years ago
Read 2 more answers
Mercury-197 has a half-life of 3 days. Starting
Ahat [919]

Answer:

2.34 gms left

Explanation:

3 weeks = 21 days   =    7 half lives

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4 0
1 year ago
Determine the molecular weight of H20.<br> o 18 g<br> O 18.0 g<br> O 18.01 g<br> O 18.016 g
Sonbull [250]

Answer:

The correct answer is D

<u>18.016 g</u>

<u></u>

Explanation:

Molecular Weight : It is the sum of atomic weights of each atoms present in the compound.

The molecular weught is measured in atomic mass.unit( amu) or simply"u"

This is calculated by using :

Molecular weight = number of atom x atomic mass of the atom

For H2O

Number of H atoms = 2

Number of O atom = 1

Molecular weight of H2O = 2(mass of H atom) + 1(mass of O atom)

Molecular weight = 2(1.00784) + 15.999

= 18.01558 u

= 18.016 u

8 0
2 years ago
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