1. Zn( s )+HNO3( a q )?Zn(NO3)2( a q )+H2( g ) Express your answer as a chemical

Question

1. Zn(s)+HNO3(aq)?Zn(NO3)2(aq)+H2(g) Express your answer as a chemical equation. Identify all of the phases in your answer.

2. Al(s)+H2SO4(aq)?Al2(SO4)3(aq)+H2(g) Express your answer as a chemical equation. Identify all of the phases in your answer.

3. K2SO4(aq)+BaCl2(aq)?BaSO4(s)+KCl(aq) Express your answer as a chemical equation. Identify all of the phases in your answer.

4. CaCO3(s)?CaO(s)+CO2(g) Express your answer as a chemical equation. Identify all of the phases in your answer.

5. CuCl2(aq)+NaOH(aq)?Cu(OH)2(s)+NaCl(aq) Express your answer as a chemical equation. Identify all of the phases in your answer.

Explanation / Answer

1) Reaction type: single replacement

  2 Zn(s) + 2 HNO3(aq) = 2 Zn(NO3) + H2(g)

2) 2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
Reaction type: single replacement?

3) K2So4(aq) + BaCl2(aq) = BaSo4(s) + 2 KCl(aq)
Reaction type: double replacement

4) CACO3(s) = CAO(s) + CO2(g)
Reaction type: decomposition

5) CuCl2(aq) + 2 NaOH(aq) = Cu(OH)2(s) + 2 NaCl(aq)
Reaction type: double replacement

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