Practice with Writing, Balancing, and Classifying Chemical ...
Practice with Writing, Balancing, and Classifying Chemical Equations
Balance and classify each of the following equations:
1. Pb(NO3)2 + K2CrO4 ( PbCrO4 + KNO3
2. BaCl2 + Na2SO4 ( BaSO4 + NaCl
3. CH3OH + O2 ( CO2 + H2O
4. Cu + H2SO4 ( CuSO4 + SO2 + H2O
5. MnO2 + HCl ( MnCl2 + Cl2 + H2O
6. Na2S2O3 + I2 ( Na2S4O6 + NaI
7. Cr + S8 ( Cr2S3
8. Ag2S + H2 ( Ag + H2S
9. NO + Cl2 ( NOCl
10. C5H12 + O2 ( CO2 + H2O
Write, balance, and classify the equations:
HINT: Oxygen and chlorine are part of a group of compounds known as diatomic elements and therefore, in their pure elemental state, they are O2 and Cl2.
11. Iron + sulfur ( iron (II) sulfide
12. Sodium + chlorine ( sodium chloride
13. Potassium chromate + barium chloride (Barium chromate + potassium chloride
14. Hydrogen sulfide + lead (II) nitrate ( lead (II) sulfide + nitric acid
15. Magnesium + oxygen ( magnesium oxide
16. Copper (II) oxide + sulfuric acid ( copper (II) sulfate + water
17. Lead (II) sulfide + oxygen gas ( lead (II) oxide forms + sulfur dioxide.
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