Balance each of the following equations, and classify each of the reactions by t

Question

Balance each of the following equations, and classify each of the reactions by type.

1. _____KClO3 ____ KCl + ____O2

2. _____Na +_____ O2 _____ Na2O2

3._____KI +_____ Pb(NO3)2 ____ KNO3 + ____PbI2

4. _____Cu + _____AgNO3 ___Cu(NO3)2 +______ Ag

5.____C3H8 + ____O2 ____CO2 +____ H2O + Heat

6.____Zn +____ HCl ____ ZnCl2 + ____H2

7. Write a balanced equation for the decomposition of hydrogen peroxide

8. Write a balanced equation for the reaction of magnesium with hydrochloric acid

9. What gases could be produced from decomposing hydrogen peroxide?

10. Write a balanced equation for the reaction of the steel wool with oxygen. Be sure to include heat energy in the reaction.

11. Write a balanced equation for the reaction initiated by the burning splint.

12. What gases could be produced from hydrochloric acid (HCl)?

Explanation / Answer

1. 2KClO3 2 KCl + 3O2

2.     2Na +1 O2 1Na2O2

3. 2KI + 1 Pb(NO3)2 2KNO3 +1 PbI2

4. 1 Cu +2AgNO3 1Cu(NO3)2 +2 Ag

5.1C3H8 + 5O2 3CO2 +4 H2O + Heat

6.1Zn + 2HCl 1 ZnCl2 + 1H2

7. 2H2O2 ----------> 2H2O + O2

8. Mg + 2HCl ------------> MgCl2 + H2

9. oxygen gas

2H2O2 ----------> 2H2O + O2

10.

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