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Vesna [10]
3 years ago
8

What happens to water particles at boiling point

Chemistry
2 answers:
Scilla [17]3 years ago
6 0
When water particles are heated to their boiling point, they begin to change form into a gas.
Anestetic [448]3 years ago
6 0
At boiling point, water particles separate forming a gas called steam.
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The attraction between molecules of methane in the liquid state is primarily due to
ivanzaharov [21]

Answer:

Attraction between molecules of methane in liquid state is primarily due to "London dispersion force".

Explanation:

Methane is a non-polar and aprotic molecule. Hence there is no dipole moment in methane as well as no chance of hydrogen bonding formation by methane.

We know that all molecules contain electrons. Therefore transient dipole arises in every molecule due to revolution of electrons around nucleus in a non-circular orbit. Hence an weak intermolecular attraction force is always present in every molecule as a result of this which is termed as "London dispersion force".

So, attraction between molecules of methane in liquid state is primarily due to "London dispersion force".

5 0
4 years ago
Someone please help me !!
Bezzdna [24]

Answer:

3

Explanation:

6 0
3 years ago
Consider the unbalanced chemical equation hf + al -> alf3 + h2. when coefficients are added to balance the equation, which tw
Mama L [17]

Answer:

a

Explanation:

because you need to add 2 to to hf to make it equal to h2

5 0
3 years ago
If the azeotropic mixture is 72% perchloric acid by mass, what is the mole percent of water in the azeotrope?
WARRIOR [948]

Answer:

Mole percent of water in azeotrope is 69%

Explanation:

Clearly, the azeotrope consists of water and perchloric acid.

So, 72% perchloric acid by mass means 100 g of azeotrope contains 72 g of perchloric acid and 28 g of water.

Molar mass of water = 18.02 g/mol and molar mass of perchloric acid = 100.46 g/mol

So, 72 g of perchloric acid = \frac{72}{100.46}mol of perchloric acid = 0.72 mol of perchloric acid

Also, 28 g of water = \frac{28}{18.02}mol of water = 1.6 mol of water

Hence total number of mol in azeotrope = (1.6+0.72) mol = 2.32 mol of azeotrope

So, mole percent of water in azeotrope = [(moles of water)/(total no of moles)]\times 100%

Mole percent of water  = \frac{1.6}{2.32}\times 100 % = 69%

3 0
4 years ago
Question 3 help me asap please
e-lub [12.9K]

Its chemical formula H2O, indicates that each of its molecules contains one oxygen and two hydrogen atoms, connected by covalent bonds. The hydrogen atoms are attached to the oxygen atom at an angle of 104.45°. "Water" is the name of the liquid state of H2O at standard conditions for temperature and pressure.

5 0
3 years ago
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