Why is ice less dense than liquid water?

2 answers:

8 0

Hey there,

Your question states: Why is ice less dense than liquid water?
There reason why Ice is less dense than liquid is because ice has compact molecules that are tight together and they stay still. But as for water, those molecules are lose and they are more free than ice.

Hope this helps.
~Jurgen

rosijanka [135]3 years ago

6 0

The answer is: Ice expands (volume is increasing) when it freezes, because of hydrogen bonds.

When molecule frezes, it lose energy. When molecules are far apart, it means the volume is greater and it expands.

For example, ice expands when water is freezing.

Hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (H), covalently bound to a highly electronegative atom such as flourine (F), oxygen (O) and nitrogen (N) atoms.

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C) hydrogen and oxygen atoms

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Propanoic acid (propionic acid) has the formula CH3CH2COOH. Draw the conjugate base, that is, the structure that results from de

devlian [24]

Answer:

Conjugate base: Propionate

Explanation:

Conjugate base contains one less proton as compared to it's parent acid. Deprotonation occurs from most acidic region.

Propionic acid deprotonates to produce it's strong conjugate base propionate.

In propionic acid, -OH group in -COOH functional moiety dissociates to produce $H^{+}$ . Because the O-H bond electrons remains highly polarized towards oxygen atom due to electron withdrawing inductive effect as well as resonating effect of -COOH moiety.