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omeli [17]
3 years ago
12

The time required for Earth to rotate once on it's axis

Chemistry
2 answers:
Trava [24]3 years ago
8 0
Earth takes one day to rotate on its axis which is 24 hours
ruslelena [56]3 years ago
7 0
24 hours or one day..........................






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Answer:

1. Mg (s) + 2Na+(aq) → 2Na(s) + Mg²⁺(aq)

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Explanation:

The net ionic equation of a reaction express only the chemical species that are involved in the reaction:

1. Mg (s) + Na2CrO4 (aq) → 2Na + MgCrO4(aq)

The ionic equation:

Mg (s) + 2Na+(aq) + CrO4²⁻ (aq) → 2Na + Mg²⁺ + CrO4²⁻(aq)

Subtracting the ions that don't change:

<h3>Mg (s) + 2Na+(aq) → 2Na + Mg²⁺</h3>

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The ionic equation:

2K(s) + Cd²⁺(aq) + 2NO3⁻(aq) → 2K⁺(aq) + 2NO3⁻(aq) + Cd(s)

Subtracting the ions that don't change:

<h3>2K(s) + Cd²⁺(aq) → 2K⁺(aq) + Cd(s)</h3>

3 0
3 years ago
What challenges would you encounter with the titration if you had used apple cider vinegar or balsamic vinegar as the analyte in
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