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Why can oxygen gas be collected by the displacement of water

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Reference no: EM132925750

Oxygen and Oxides (Preparation and Properties of Oxygen)

Post-Lab Questions

1. Write the equation for the reaction we used to prepare oxygen in this lab.

2. Why can oxygen gas be collected by the displacement of water?

3. Write the chemical reaction for the combustion of wood (C6H12O6).

4. Compare the results for the experiment where wood splints were relit in oxygen and in half-oxygen-half-air. Explain the difference.

5. Explain the difference in time burned and brilliance between the two candle flames.

6. Write the chemical equation for the combustion of sulfur to sulfur dioxide.

7. Write the chemical equation for the reaction of sulfur dioxide and water. Is this consistent with the results of your litmus test in that portion of the lab?

8. Write the chemical equation for the combustion of iron to iron (III) oxide.

9. Write the chemical equation for the combustion of magnesium.

10. What do you think, based on the results of your other experiments done in pure oxygen, would have happened if you had burned magnesium in pure oxygen?

Attachment:- Oxygen and Oxides.rar

Reference no: EM132925750

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