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Sauron [17]
3 years ago
7

How does width affect capillary rise?

Chemistry
1 answer:
Scilla [17]3 years ago
7 0

The narrower the tube, the water will rise to a greater height.

Explanation:

Capillary rise is the height to which the water rises within the tube, and decreases as the width of the tube increases.

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How many moles are in 43.9 L of oxygen
Ede4ka [16]

Answer: 2 mol

Explanation:

- According to the ideal gas law, One mole of an ideal gas at STP (standard temperature and normal pressure) occupies 22.4 liters.

- Using cross multiplication,

                               1 mol of (O2)        →       22.4 L

                                       ?                   →        43.9 L

Therefore, the number of moles of oxygen in 43.9 L = (43.9 × 1)/ 22.4 = 1.96 mol≈ 2 mol..


3 0
3 years ago
What is Minimum Threshold Frequency?​
hoa [83]

the minimum frequency of radiation that will produce a photoelectric effect

<h2>#CarryOnLearning</h2>

7 0
2 years ago
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15. How are molecules and moles different from mass?
Ierofanga [76]

Answer:

mass gives the mass of atoms while molecular weight gives the mass of molecules

7 0
3 years ago
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Please help answering 11)
8090 [49]

Answer:

the answer is C

Explanation:

8 0
3 years ago
The H 2 produced in a chemical reaction is collected through water in a eudiometer. If the pressure in the eudiometer is 760.0 t
siniylev [52]

Answer:

the pressure (torr) of theH₂ gas is 736.2 torr

Explanation:

Given that

The H₂ gas  produced in a chemical reaction is collected through water in a eudiometer; during this process, the gas collected contains some droplets of water vapor along with these gas.

So; the total pressure in the eudiometer = Pressure in the H₂ gas  - Pressure of the water vapor

Where;

P_{Totsl} =  total pressure in the eudiometer = 760.0 torr

P_{H_2} = Pressure in the H₂ gas  = ???

P_{H_2O} = Pressure in the water vapor  = 23.8 torr

Now:

P_{Totsl} = P_{H_2} + P_{H_2O}

- P_{H_2} = + P_{H_2O} - P_{Totsl}

P_{H_2}  = - P_{H_2O} + P_{Totsl}

P_{H_2}  =  (- 23.8 + 760) torr

P_{H_2}  = 736.2 torr

Thus; the pressure (torr) of theH₂ gas is 736.2 torr

8 0
3 years ago
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