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dem82 [27]
3 years ago
9

Need help on this ASAP !!!!

Chemistry
1 answer:
DENIUS [597]3 years ago
5 0

Answer:

2Na + K₂S → 2K + Na₂S. "replacement reaction"

Explanation:

To balance the equation, you should apply the law of conservation of mass for the equations.

The law of conservation of mass states that the no. of each atom is equal in both sides (reactants and products).

So, the given equation is balanced as:

<em>2Na + K₂S → 2K + Na₂S.</em>

It is a replacement reaction that Na replace K in <em>K₂S.</em>

<em>That 2.0 moles of Na react with 1.0 mole K₂S to produce 2.0 of K and 1.0 mole of Na₂S.</em>

  • The no. of all atoms is the same in both of reactants and products side.

<em>Na (2), K (2), and S (1).</em>

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Balanced equation of potassium chloride and ammonium nitrate; it’s types, net and observation
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Potassium chloride reacts with ammonium nitrate to give ammonium chloride and potassium nitrate.

This is a type of double displacement reaction. The balanced chemical equation can be represented as,

KCl(aq)+NH_{4}NO_{3}(aq)-->NH_{4}Cl(aq)+KNO_{3}(aq)

Total ionic equation for this reaction will be,

K^{+}(aq)+Cl^{-}(aq)+NH_{4}^{+}(aq)+NO_{3}^{-}(aq)--> K^{+}(aq)+NO_{3}^{-}(aq)+NH_{4}^{+}(aq)+Cl^{-}(aq)

There is no apparent reaction as this reaction is not accompanied by the formation of a gas or a solid precipitate. We cannot observe any visual reaction as there is not net reaction taking place. All the ions remain as spectator ions.

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Answer:

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Please see attached picture for full solution.

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What does it mean for a element of a group to have a order?
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In group theory, a branch of mathematics, the term order is used in two unrelated senses:

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This article is about the first sense of order.

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The reactant concentration in a first-order reaction was 7.60 x 10-2 M after 35.0 s and 5.50 x 10-3 M after 85.0 s. What is the
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Answer:

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