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anastassius [24]
3 years ago
5

What happens as a liquid freezes?

Chemistry
1 answer:
marishachu [46]3 years ago
3 0

Answer:

A

Explanation:

When molecules speed up, they become excited and create friction that is transformed into heat, do when an abject cools, the molecules slow down and thus for have less friction.

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A 2.89 g sample of a metal chloride, MCl2, is dissolved in water and treated with excess aqueous silver nitrate. The silver chlo
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Answer:

58.0 g/mol

Explanation:

The reaction that takes place is:

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First we <u>calculate how many moles of silver chloride</u> were produced, using its <em>molar mass</em>:

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Then we <u>convert AgCl moles into MCl₂ moles</u>, using the <em>stoichiometric ratio</em>:

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We can write the molar mass of MCl₂ as:

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The closest option is 58.0 g/mol.

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