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snow_tiger [21]
3 years ago
8

Which of the following conditions occurs as a liquid freezes​

Chemistry
2 answers:
yKpoI14uk [10]3 years ago
7 0
<h3><u>Answer;</u></h3>

Strengths of intermolecular forces of the liquid molecules exceed the kinetic energy of the molecules.

<h3><u>Explanation;</u></h3>
  • Freezing is a phase transition in which a liquid turns into a solid when its temperature is lowered to its freezing point.
  • Freezing is almost always an exothermic process, meaning that as liquid changes into solid, heat is released.
  • Freezing occurs when the molecules of a liquid slow down enough that their attractions cause them to arrange themselves into fixed positions as a solid.
Sonbull [250]3 years ago
5 0
<h2>Answer:</h2>

<u>The right choice is</u><u> (C) Strengths of intermolecular forces of the liquid molecules exceed the kinetic energy of the molecules. </u>

<h2>Explanation:</h2>

Water in liquid state has more kinetic energy because its molecules can move and due to this movement we say that the water is liquid but when it is frozen, the intermolcular forces get stronger as the water state changes from liquid to solid and we know that in solid state the kinetic energy of the molecules in comparatively low as compared to liquids, Similarly the intermolecular forces are also stronger as compare to liquids.

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If a penny (with the this volume .39 cm^3) was made out of pure copper, what should its mass be?
blondinia [14]

Answer:

  3.49 g

Explanation:

The mass is the product of volume and density:

  (8.96 g/cm³)(0.39 cm³) ≈ 3.49 g

The mass of a pure-copper penny would be 3.49 g.

5 0
3 years ago
The nonvolatile, nonelectrolyte TNT (trinitrotoluene), C7H5N3O6 (227.1 g/mol), is soluble in benzene C6H6. How many grams of TNT
Alexeev081 [22]

Answer:

Explanation:

formula of osmotic pressure is as follows

p= n RT

n is mole of solute per unit volume

If m be the grams of solute needed

m gram = m / 227.1 moles

m / 227.1 moles dissolved in .279 litres

n = m / (227.1 x .279 )

= m / 63.36

substituting the values in the osmotic pressure formula

5.14 = (m / 63.36)  x .082 x 298

m / 63.36 = .21

m = 13.32 grams .

7 0
2 years ago
The vapor pressure of a liquid __________.
mash [69]

Answer:

B

Explanation:

The tendency of a liquid to convert to vapour increases smoothly with increasing temperature. Vapour pressure shows the tendency of a liquid to convert to vapour. Increase In vapour pressure shows an increased tendency to convert to vapour. The higher the temperature, the higher the vapour pressure.

6 0
3 years ago
Wood with a mass of 3.0 grams was burned in an open dish. The ashes weighed 1.2 grams.
mr_godi [17]

The rest of the wood was burned into gases of equivalent weight.

<u>Explanation</u>:

The rest of the wood was burned into gases of equivalent weight.

  • When wood is burnt in the open air, with the help of oxygen and heat, it is transformed into carbon dioxide, water vapor, and ashes.
  • Ignition and combustion of wood mainly depend on pyrolysis which is also known as thermal combustion.
  • The loss in weight of the ashes is due to the fact that gases and water vapor are also formed due to the combustion of wood.

7 0
3 years ago
In a stadium, fans stand up and sit down to produce a wave across the stadium. This type of wave where the material travels perp
elena-14-01-66 [18.8K]
Transverse wave is <span>a wave vibrating at right angles to the direction of its propagation.

In short, Your Answer would be Option B

Hope this helps!</span>
7 0
4 years ago
Read 2 more answers
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