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lys-0071 [83]
3 years ago
14

Which of the following is true of gases

Chemistry
1 answer:
yuradex [85]3 years ago
7 0

4?

Explanation:

i think its 4, i might be wrong.

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Balanced chemical equation for the decomposition of solid sodium sulfide in aqueous solution.
Oliga [24]
<h3>Answer:</h3>

Na₂S(s) → 2Na⁺(aq) + S²⁻(aq)

<h3>Explanation:</h3>

We need to know:

<h3>What are decomposition reactions?</h3>
  • Decomposition reactions are type of reactions in which a compound is broken down into two or more products.
  • When a soluble substance or a compound is dissolved in water it forms an aqueous solution.
  • When this happens the soluble compound such as ionic compounds ionizes to form ions.
  • This is an example of decomposition reaction, since the ionic compound decomposes it ions making it.
  • For example, sodium sulfide is an ionic compound that ionizes in water to form sodium and sulfide ions.
  • That is;

Na₂S(s) → 2Na⁺(aq) + S²⁻(aq)

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3 years ago
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Answer:

A. body muscles

The pressure needed to pump blood back to the heart is produced by the <u>body </u><u>muscles </u><u>.</u>

4 0
2 years ago
Using the measurements in the table, determine which unidentified metal has the lowest density
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C is the correct answer because density is mass per unit volume and when you divide it we that volume is greater than mass so density is less density density is directly proportional to Mass Density is inversely proportional to volume
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Fittoniya [83]

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Explanation: friction is showing us how in the past

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Which statement is true? Postively charged objects attract other positively charged objects negatively charged objects attract o
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Explanation:one is true because if it is positiveit would not be attracting it would be sepperating

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