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JulsSmile [24]
3 years ago
10

The size of a gas particle is negligibly small. The average kinetic energy of a particle is proportional to its temperature in k

elvins. The collision of one particle with another (or with the walls of its container) is completely elastic. Which postulate(s) are needed to explain the increase in pressure of a gas with temperature?
Chemistry
1 answer:
erica [24]3 years ago
4 0

Answer:

The average kinetic energy of a particle is proportional to its temperature in kelvins.

Explanation:

<u>Kinetic molecular theory postulates:- </u>

  • The gas is composed of small molecules are they are in continuous random motion and having elastic collisions with one another and also with the walls of the container.
  • The molecules of the gas does not exert any kind of repulsive or attractive forces on each other and they their size is negligible as compared to the difference between them.
  • Pressure exerted by the molecules of the gas results from the collisions which is happening between the molecules of the gas and the walls of the container.
  • Average kinetic energy of molecules of the gas is directly proportional to absolute temperature.

Out of the given postulates, the postulate which can be used to explain the increase in pressure of a gas with temperature is:- <u>The average kinetic energy of a particle is proportional to its temperature in kelvins.</u>

<u>This is because increase in the kinetic energy demonstrate that the molecules are moving faster which leads to greater pressure. </u>Thus, Pressure is directly proportional to the kinetic energy which in turn is directly proportional to temperature.

<u>So, Pressure is directly proportional to the temperature.</u>

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Define thermal and electrical conductivity, solubility, magnetism, melting and boiling points
Anon25 [30]

Answer:

<u>thermal conductivity:</u> the rate at which heat is transferred by conduction through a unit cross-section area of a material, when a temperature gradient exits perpendicular to the area

<u>electrical conductivity:</u> the measure of the amount of electrical current a material can carry or it's ability to carry a current

<u>solubility:</u> the ability to be dissolved, especially in water

<u>magnetism:</u> a physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects

<u>melting point:</u> the temperature at which a given solid will melt.

<u>boiling point:</u> the temperature at which a liquid boils and turns to vapor

Explanation:

hope this helps :D pls mark brainliest :D

3 0
2 years ago
How many moles are in 20 grams of O₂ gas?
Dima020 [189]
20 g O2 x 1 mol O2/32 g O = 0.625 mol O2
4 0
2 years ago
How many moles of AlCl3 are produced
Leto [7]

The correct answer is 124 ✌

6 0
2 years ago
Read 2 more answers
A gas occupies a volume of 31.0 ml at 19.0°C. If the gas temperature rises to 38.0°C at constant pressure. Calculate the new vol
Alik [6]

Answer:

The correct answer is 0.0033 L (33.0 mL)

Explanation:

We uses the Charles's law which describes the changes in the volume (V) of a gas and its temperature in Kelvin (T) at constant pressure. The mathematical expression is the following:

V₁/T₁ = V₂/T₂

We have the following data:

V₁= 31.0 mL = 0.0031 L

T₁= 19.0°C = 292 K

T₂= 38.0°C = 311 K

V₂= ?

We calculate V₂ from the mathematical expression, as follows:

V₂= V₁/T₁ x T₂ = 0.0031 L/(292 K) x 311 K = 0.0033 L

5 0
2 years ago
What is the name of a solution whose concentration of solute is equal to the maximum concentration that is predicted from the so
faltersainse [42]

<u>Answer:</u> The correct answer is saturated solution.

<u>Explanation:</u>

For the given options:

Dilute solutions are defined as the solutions in which solute particles are present in less very amount than the solvent particles.

Unsaturated solutions are defined as the solutions where more and more of solute particles can be dissolved in the given amount of solvent.

Saturated solutions are defined as the solutions where no more solute particles can be dissolved in the solvent.  The concentration of the solute particles that can be dissolved in a solution is maximum.

Supersaturated solutions are defined as the solutions where more amount of solute particles are present than the solvent particles.

From the above information, we conclude that the given solution is saturated solution.

7 0
3 years ago
Read 2 more answers
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