72 s Complete the following: _ Fels) + CuSO4(aq) ? 4?For the reaction ofzinc wit

Question

72 s Complete the following: _ Fels) + CuSO4(aq) ? 4?For the reaction ofzinc with hydrochloric acid- 5. What is the identity of the residue on the watch glass? 6. What is the identity of the gas in the bubbles? 7. For the reaction of sodium chloride with silver nitrate -HCl(aq) (aq)Hg) Zn(s) + ? NaCI(aq) +_ What is the identity of the white precipitate which forms? 8. For the reaction of hydrochloric acid with calcium carbonate- The subsequent decomposition of the H2CO H2COs(aq) H20(1) ? + -- What characteristic gas is produced when a carbonate is reacted with an acid? 9. T he reaction of oxygen gas from the air with copper when heated. What is the color of the wire after heating? Based on this observation, is the product copper () oxide or copper () oxide? 10. The decomposition of ammonium carbonate when heated. Which product is responsible for the characteristic odor of this reaction?

Explanation / Answer

Ans 3

Balanced equation

Fe(s) + CuSO4(aq) = FeSO4(aq) + Cu(s)

Ans 4

Balanced equation

Zn(s) + 2 HCl(aq) = ZnCl2(aq) + H2(g)

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