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Leya [2.2K]
3 years ago
9

Each of three identical 15.0-L gas cylinders contains 7.50 mol of gas at 295 K. Cylinder A contains Ne, cylinder B contains NO2,

and cylinder C contains Cl2. According to the kinetic molecular theory, which gas has the highest pressure?
a) Cl
b) NO2
c) Ne
d) All have identical pressures Submit Request Answer
Chemistry
1 answer:
FrozenT [24]3 years ago
3 0

Answer:

d) All have identical pressures

Explanation:

The kinetic molecular theory explains how gas molecules behave in a container. By this theory, the gas particles behave like hard, spherical objects in a state of constant, random motion; these particles collide between them and at the walls of the container. Besides, the kinetic energy of the gas depends only on the temperature.

The pressure is the force that the particles are applying under some area, so by the theory, it depends on the number of moles (amount of particles that collides and make the force), the volume of the container and the kinetic energy, or the temperature.

Because all gases have the same number of moles and are at the same temperature and the same volume, they'll have the same pressure.

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The diagram shows the movement of particles from one end of the container to the opposite end of the container.
11111nata11111 [884]

The event which is most likely occurring in this scenario is effusion because there is a movement of a gas through a small opening into a larger volume and is denoted as option C.

<h3>What is Effusion?</h3>

This is referred to as the process in which a gas or a substance escapes from a container through a hole of diameter which is usually smaller.

The type of event which is most likely occurring is effusion because of the presence of the small holes in which the balls are made to pass through the center which is why option C was chosen.

Read more about Effusion here brainly.com/question/2097955

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The options are:

  • diffusion because particles move from regions of high concentration to regions of low concentration.
  • diffusion because particles move from regions of low concentration to regions of high concentration.
  • effusion because there is a movement of a gas through a small opening into a larger volume.
  • effusion because there is a movement of a gas through a large opening into a smaller volume
3 0
1 year ago
What else supports the idea that an exothermic reaction has occurred?
kodGreya [7K]
The main pieces of evidence that an exothermic reaction has occurred is an increase in temperature due to the release of energy, a release of energy in the form of light, or a release of gas.
4 0
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At what temp will a gas be at if you allow it to expand from an original 456 mL to 65°C to 3.4 L
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                                (0.456 L)(65 + 273.15) = (3.4 L)(T₁)
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