2 years ago

NEED ANSWER ASAP

Chemistry

2 answers:

Oksana_A [137]2 years ago

8 0

I think it is A (10 %)

krek1111 [17]2 years ago

3 0

A. 10% is the answer.

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What is the ratio of hydrogen atoms to oxygen atoms in a water molecule?

Viktor [21]

2 hydrogen molecules to one oxygen molecule
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2 years ago

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Which of the following statements best explains the observation that hydrogen fluoride has the highest boiling point of all the

olasank [31]

Answer:

c. HF can participate in hydrogen bonding.

Explanation:

The boiling points of substances often reflect the strength of the intermolecular forces operating among the molecules.

If it takes more energy to separate molecules of HF than of the rest of the hydrogen halides because HF molecules are held together by stronger intermolecular forces, then the boiling point of HF will be higher than that of all the hydrogen halides.

A particularly strong type of intermolecular attraction is called the hydrogen bond, which is a special type of dipole-dipole interaction between the hydrogen atom in a polar bond, such as N-H, O-H, or F-H, and an electronegative O, N, or F atom.