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nadezda [96]
3 years ago
12

BTW IT IS SCIENCE

Chemistry
2 answers:
labwork [276]3 years ago
8 0
The warm air rises and the cold air sinks.
Sliva [168]3 years ago
4 0
The answer is A warm air rises cool air sinks

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List the spectator ions in the following reaction.
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2Na⁺ (aq) and 2OH⁻(aq)

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Spectator ions:

Spectator ions are those ions which are same on both side of chemical reaction. These ions are same in the reactant side and product side. Their presence can not effect the chemical equilibrium that's why when we write the net ionic equation these ions are neglect or omitted.

Given ionic equation:

Ba⁺²(aq) + 2OH⁻(aq) + 2Na⁺ (aq) + CO²⁻₃(aq) → BaCO₃(s) + + 2Na⁺ (aq) + 2OH⁻(aq)

In given ionic equation by omitting the spectator ions i.e, 2Na⁺ (aq) and 2OH⁻(aq)  net ionic equation can be written as,

Net ionic equation:

Ba⁺²(aq) + CO²⁻₃(aq) → BaCO₃(s)

4 0
2 years ago
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