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Nimfa-mama [501]
1 year ago
11

What does the kinetic theory state about the relationship between the speed and temperature of gas molecules?

Chemistry
1 answer:
STatiana [176]1 year ago
7 0

As the temperature increases, the speed of gas molecules increases

The kinetic theory state about the relationship between the speed and temperature of gas molecules as with an increase in temperature, the speed of gas molecules increases.

The energy that an object possesses as a result of its motion is known as kinetic energy.

The average of the kinetic energies of all the particles in a system is known as the average kinetic energy.

The following equation provides the answer:

K = \frac{3RT}{2}

K= kinetic energy

R= gas constant

T= temperature

  • It is clear from above that kinetic energy and system temperature are inversely correlated.
  • Therefore, if the temperature is higher, the system's average kinetic energy will also be higher, increasing the speed of the molecules.

<h3>What does kinetic theory state?</h3>

The kinetic theory of matter states that all matter is made of small particles that are in random motion and that have space between them.

To learn more about kinetic theory visit:

brainly.com/question/14349214

#SPJ4

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152 dm^3 of gas has a pressure of 98.6 kpa. at what pressure will the volume be quartered
djverab [1.8K]

Answer:

P₂ = 394.4 KPa

Explanation:

Given data:

Volume of gas = 152 dm³

Pressure of gas = 98.6 KPa

Final pressure = ?

Final volume = quartered = 1/4×152 = 38 dm³

Solution:

P₁V₁ = P₂V₂

P₂ = P₁V₁/V₂

P₂ = 98.6 KPa .  152 dm³ / 38 dm³

P₂ = 14987.2 KPa.  dm³ / 38 dm³

P₂ = 394.4 KPa

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3 years ago
Can someone help me with a background research paper on what makes ice melt fastest, I am in need of help
MArishka [77]
Salt lowers the freezing point and melting point of water/ice. Ice forms when water freezes and becomes 0 degree Celsius. When salt is added to ice, it dissolves into the liquid water within the ice and lowers that temperature and freezing point. “A 10-percent salt solution freezes at -6 Celsius, and a 20-percent solution freezes at -16 C.”

If one has ever watched salt melting ice, you can see the dissolving process happen, as the salt dissolves in the water and spreads out from the point first melted. Although, if the temperature of the roadway is lower than -9 Celsius or so, then the salt really won't have any affect the solid salt cannot get into the structure of the solid water to start the dissolving process.

Effect of Sand on Ice
Sand can melt ice if it is heated naturally from the sun or a warm temperature, just like all other substances that is at a higher temperature than ice. The actual texture of sand does not cause ice to melt. Sand, unless it is at a higher temperature than the ice, it would not melt.

Effect of Sugar on Ice
Fact: Sugar, and anything else that is able to dissolve in water, will melt ice. Like salt, sugar melts ice by lowering water's melting and freezing points. When sugar is added onto ice, it dissolves and interferes with the water molecules, which need to bind to ice crystals in order to freeze. Sugar’s presence needs the temperature to be much colder before the water molecules come into contact with ice crystals.

While sugar will melt ice, it still isn’t as effective as salt, which breaks down into sodium and chloride ions. When one molecule of salt dissolves, it adds two components to the solution, providing more interference in preventing water molecules from freezing.

Effect of Flour on Ice
“If you put flour in water, you make pancake batter which freezes at about the same temperature as water. So it won't melt ice at all.”

Conclusion: Sugar and salt lowers the freezing/melting pointing of water/ice,therefore making the ice melt. Although salt is more efficient when one molecule of salt dissolves,
it adds two components to the solution, providing more interference in preventing water molecules from freezing. Sand melts ice by providing traction and absorbing heat and being at a higher temperature than the ice, hence, melting it. Flour has no effect on ice, and may even serve as an insulator from the higher temperature that surrounds the ice.
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