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PIT_PIT [208]
2 years ago
13

Explain what is going on at the molecular level as your liquid sample cools down and solidifies.

Chemistry
1 answer:
Lemur [1.5K]2 years ago
6 0

Answer:

Freezing. When a liquid is cooled, the average energy of the molecules decreases. At some point, the amount of heat removed is great enough that the attractive forces between molecules draw the molecules close together, and the liquid freezes to a solid.

Note how temperature effects the motion of the atoms or molecules in a liquid. As the temperature of a solid, liquid or gas increases, the particles move more rapidly. As the temperature falls, the particles slow down. If a liquid is cooled sufficiently, it forms a solid.

<h3>I hope it helps you:)</h3>
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Answer:

the answer is 5.........

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What does an atom become when it gains an electron in an ionic bond?
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It becomes a acceptor because in an ionic bonding the element who gives out is a donor while the atom which accept is a acceptor

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3 years ago
The equilibrium constant for the gas-phase isomerization of borneol (c10h17oh) to isoborneol at 503 k is 0.106. a mixture consis
Dimas [21]
The solution is as follows:

K = [Partial pressure of isoborneol]/[Partial pressure of borneol] = 0.106

The molar mass of isoborneol/borneol is 154.25 g/mol

Mol isoborneol = 15 g/154.25 = 0.0972 mol
Mol borneol = 7.5 g/154.25 = 0.0486 mol

Use the ICE approach

        borneol  →  isoborneol
I         0.0972           0.0486
C         -x                     +x
E     0.0972 - x        0.0486 + x

Total moles = 0.1458

Using Raoult's Law,
Partial Pressure = Mole fraction*Total Pressure
[Partial pressure of isoborneol] = [(0.0972-x)/0.1458]*P
[Partial pressure of borneol] = [(0.0486+x/0.1458)]*P

0.106 = [(0.0972-x)/0.1458]*P/ [(0.0486+x/0.1458)]*P
Solving for x,
x = 0.0832 

Thus,
<em>Mol fraction of borneol = (0.0486+0.0832)/0.1458 = 0.904</em>
<em>Mol fraction of isoborneol = (0.0972-0.0832)/0.1458 = 0.096</em>
6 0
3 years ago
What volume of nitrogen gas is equal too 3.42x10^22 molecules of this substance
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if i am correct the volume of nitrogen gas has to equal to molecules density, making the substance 1.27 liters :)

8 0
2 years ago
Write the chemical formula for the anion present in the aqueous solution of cuso4.
ki77a [65]
SO4 -2, or Sulfate

Hope this helps! :)
6 0
3 years ago
Read 2 more answers
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