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mariarad [96]
3 years ago
12

Which of the following best explains what happens when the kinetic energy of particles in a liquid state increases?

Chemistry
2 answers:
WITCHER [35]3 years ago
8 0

Answer:

They move fast enough to overcome the forces of attraction that hold them together, becoming a gas.

Explanation:

Particles in matter are always in motion. Motion of the particles gives rise to kinetic energy.  Gases have high kinetic energy. Liquids have kinetic energy that is greater than solids but less than gases. When the kinetic energy of liquids increases they undergo phase transition and get converted to gas.  The higher kinetic energy helps to overcome the strong intermolecular forces of attraction between the liquid particles.

klio [65]3 years ago
5 0

They move fast enough to overcome the forces of attraction that hold them together, becoming a gas.

ITS THAT :)

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Distinguish between dunes and loess
agasfer [191]

Answer:

Dunes are loose sand hills.

Loess is a compacted wind-blown formation of sediment.

Explanation:

Sand dunes are, as their name implies, made of sand which is itself made of tiny quartz pieces. Sand dunes are present where there is a ready source of broken down sandstone or other type of rock and wind to transport the sand. The dunes are mobile and loose and migrate over time.

Loess comes in vast formations and was created in a very different way. In the last ice age, winds from the north carried sediments loosened and ground by glaciers southwards. There, the sediments accumulated in large formations and became compacted over time.

6 0
3 years ago
Which has the higher percentage of aluminum, Al2O, or Al(NO3)3
Rzqust [24]

Al₂O  has a higher percentage of aluminium.

Explanation:

To solve this problem, we have to compare the molar mass of the aluminium in each compound to one another as percentage of the whole compound:

Molar mass of Al₂O = 2(27) + 16 = 70g/mol

Molar mass of Al(NO₃)₃ = 27 + 3[14 + 3(16)] = 213g/mol

Percentage by mass of Al in Al₂O = \frac{2x27}{70} x 100 = 77%

Percentage by mass of Al in  Al(NO₃)₃ = \frac{27}{213} x 100 = 12.7%

Al₂O  has a higher percentage of aluminium.

learn more:

Molar mass brainly.com/question/2861244

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8 0
3 years ago
Name the compound that makes up the white ring
Brut [27]

Answer:

ammonium chloride

Explanation:

if it's the white ring I think your talking abt

3 0
3 years ago
Read 2 more answers
1. Explain the relationship<br> between Polaris and Earth's tilt
Oduvanchick [21]

Answer:

that it i think

Explanation:

the earth revolves around the Sun once each year and spins on its axis of rotation once each day. This axis of rotation is tilted 23.5 degrees relative to its plane of orbit around the Sun. The axis of rotation is pointed toward Polaris the North Star. As the Earth orbits the Sun the tilt of Earth’s axis stays lined up with the North Star.

7 0
3 years ago
What is the mass of 0.28 mol of iron
maria [59]
Mass = number of mol x molar mass
Mass = 0.28mol x 55.8g/mol
Mass = 15.624g
5 0
3 years ago
Read 2 more answers
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