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Ksivusya [100]
3 years ago
9

Which object has the greatest K.E.?" top of a hill bottom of a hill middle of a hill

Chemistry
2 answers:
Licemer1 [7]3 years ago
8 0

Answer: the answer is A

Explanation:

The answers is A

Tamiku [17]3 years ago
4 0
The answer is B, bottom of a hill.


At the bottom of the first hill, your kinetic energy is at its highest point.
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Select the correct answer from each drop-down menu. consider the substances hydrogen (h2), fluorine (f2), and hydrogen fluoride
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The boiling point of HF is higher than the boiling point of H_2, and it is higher than the boiling point of F_2.

<h3>What is the boiling point?</h3>

The boiling point is the temperature at which the pressure exerted by the surroundings upon a liquid is equalled by the pressure exerted by the vapour of the liquid.

F_2 has weak dispersion force attractions between its molecules, whereas liquid HF has strong ionic interactions between H^+ and F^- ions.

Only London Forces are formed - Therefore more energy is required to break the intermolecular forces in HF than in the other hydrogen halides and so HF has a higher boiling point.

H_2 and F_2 will only have intra-molecular attractions and there will be no hydrogen bonds present in them. As a result, their boiling point will be lower.

Hence, the boiling point of HF is higher than the boiling point of H_2, and it is higher than the boiling point of F_2.

Learn more about the boiling point:

brainly.com/question/25777663

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