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AleksandrR [38]
3 years ago
7

Uldilges of State

Chemistry
1 answer:
Harman [31]3 years ago
3 0

Answer:

Explanation:

Evaporation is a phase change from liquid to vapor. The right equation must show this change.

During evaporation, liquid acquires more heat energy and changes to gaseous form. In such processes, the molecules of the liquid break lose and becomes gases that are randomized.

            H₂O_{(l)}    →   H₂O_{(g)}

The expression above clearly shows water going from liquid to solid.

This should help to have a glimpse of how to solve this problem since the options are poorly written.    

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Uranium (VIII) Sulfide formula
tresset_1 [31]

Answer:

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Explanation:

Uranium sulfide (US₂)

Uranium atomic symbol = U

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Uranium valency = +4

Sulfur valency = -2

So;

Uranium sulfide (US₂)

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