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nexus9112 [7]
3 years ago
13

Write the NET IONIC EQUATION between zinc and hydrochloric acid.

Chemistry
1 answer:
makkiz [27]3 years ago
6 0

Answer:

Zn_{(s)}+2H^{+}_{(aq)}\rightarrow Zn^{2+}_{(aq)}+H_2_{(g)}

Explanation:

Zinc reacts with hydrochloric acid to given zinc chloride and hydrogen gas. The liberation of the hydrogen gas can be confirmed by burning the gas. If the gas burns with pop sound, it means it is hydrogen gas

The molecular chemical equation for the reaction is:

Zn_{(s)}+2HCl_{(aq)}\rightarrow ZnCl_2_{(aq)}+H_2_{(g)}

The total ionic equation is:

Zn_{(s)}+2H^{+}_{(aq)}+2Cl^{-}_{(aq)}\rightarrow Zn^{2+}_{(aq)}+2Cl^{-}_{(aq)}+H_2_{(g)}

The net ionic equation is:

Zn_{(s)}+2H^{+}_{(aq)}\rightarrow Zn^{2+}_{(aq)}+H_2_{(g)}

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A sample of air was collected on a day when the total atmosphere pressure was
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1. The gas law used: Dalton's law of partial pressure.

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The pressure of nitrogen in the sample can be obtained by using the Dalton's law of partial pressure. This is illustrated below:

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Collect like terms

592 – 261 = Pₙ

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Pₙ = 331 mmHg

Therefore, the pressure of nitrogen in the sample is 331 mmHg

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