What happens to molecules when a substance is cooled?

2 answers:

8 0

The molecules are constantly moving, but lowering the temperature slows this movement. Because movement is slow enough, intermolecular forces can overcome the movement and take form, creating more bonds. This results in a gas turning into liquid or a liquid turning to solid, as more bonds are formed.

marissa [1.9K]2 years ago

3 0

Answer:

causes a substance to change from a liquid to a solid.

Explanation:

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inn [45]

Answer:

маликулярная масса ровна 23

8 0

2 years ago

How does the tilt of earth <br>affect the climate?

masha68 [24]

The tilt of the earth provides the earth with seasons. As the earth revolved around the sun different portions (northern or Southern Hemisphere) is exposed more directly to the suns radiation, thus it is hotter in those regions. (Why the United States experiences winter in December but Australia experience summer in December.)

3 0

2 years ago

Draw an alkyl bromide with proper stereochemistry that can be used to synthesize the given alkene as the exclusive product via a

enot [183]

Answer:

See explanation below

Explanation:

You forgot to put the picture to do so. In this case, I manage to find one, and I hope is the one you are looking for. If not, then post it again and I'll gladly help you out again.

According to the picture with the answer, we have a cyclohexane with 4 methyl groups there. Two of them are facing towards the molecule with a darker bond. This means that the alkyl bromide, should have a bromine in one of the bonds, and in order to produce an E2 reaction, this bromine should be facing in the opposite direction of the methyl groups which are facing towards. This is because an E2 reaction occurs with the less steric hindrance in the molecule. If the bromine is in the same direction as the methyl group, it will cause a lot more of work to do a reaction, and therefore, an E2 reaction. I will promote instead a E1 or a sustitution product.

Therefore the alkyl bromide should be like the one in the picture 2.