Why does methane have a low boiling pint?
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Ответ:
The boiling point depends on the strength of the intermolecular forces between each molecule - as the length of the molecule increases, so does the force of attraction between them because there are more points to attract together. Methane has a very short chain length of only 1 carbon, so the intermolecular forces are very weak. Because the forces are weak, very little energy is required to overcome them to allow the substance to become gaseous (gas molecules spread out to fill any space, requiring a negligible strength of intermolecular forces).
Consequently the boiling point of methane is so low that it is found in gaseous form almost all of the time on Earth - however Titan, one of the moons of Saturn, has seas of methane on its surface, because it is so cold there that it is possible for methane gas to condense into liquid.
Ответ:
Ответ:
The best answer is: HIO3
Explanation:
"Oxygen is a highly electronegative atom, it pulls electron density towards itself and away from iodine. The more oxygen atoms there are, the more spread out the negative charge is on the conjugate base. And the more spread out the charge is, the more stable the base is. This makes the acid a stronger one."
I believe this is the correct answer. Correct me if I'm wrong!