Balancing Chemical Equations Can you balance these chemical reactions?

Question 1 Balance the following chemical reaction: Y(NO3)2 + GaPO4  YPO4 + Ga(NO3)2

Question 2 Balance the following chemical reaction: Hg2I2 + O2  Hg2O + I2 2Hg2I2 + O2  2Hg2O + 2I2

Question 3 Balance the following chemical reaction: CF4 + Br2  CBr4 + F2 CF4 + 2Br2  CBr4 + 2F2

Question 4 Balance the following chemical reaction: When oxygen and hydrogen are combined, they produce water. O2 + 2H2  2H2O

Question 5 Balance the following chemical reaction: OsO4 + PtCl4  PtO2 + OsCl8 OsO4 + 2PtCl4  2PtO2 + OsCl8

Question 6 Balance the following chemical reaction: Fe2O3 + H2O  Fe(OH)3 Fe2O3 + 3H2O  2Fe(OH)3

Question 7 Balance the following chemical reaction: When nitric acid is added to a solid piece of copper, hydrogen gas and copper (II) nitrate are produced. (Nitrate is NO3-1) 2HNO3 + Cu  H2 + Cu(NO3)2

Question 8 Balance the following chemical reaction: HNO3 + Mg(OH)2  H2O + Mg(NO3)2 2HNO3 + Mg(OH)2  2H2O + Mg(NO3)2

Question 9 Balance the following chemical reaction: H3PO4 + NaBr  HBr + Na3PO4 H3PO4 + 3NaBr  3HBr + Na3PO4

Question 10 Balance the following chemical reaction: Potassium chlorate decomposes to form potassium chloride and oxygen. (chlorate is ClO3-1) 2KClO3  2KCl + 3O2

Question 11 Balance the following chemical reaction: C + H2  C3H8

Question 12 Balance the following chemical reaction: NaI + Pb(SO4)2  PbI4 + Na2SO4 4NaI + Pb(SO4)2  PbI4 + 2Na2SO4

Question 13 Balance the following chemical reaction: Dicarbon octahydride is burned in oxygen gas as a result, carbon dioxide and water are produced. C2H8 + 4O2  2CO2 + 4H2O

Question 14 Balance the following chemical reaction: HNO3 + Fe(OH)3  H2O + Fe(NO3)3 3HNO3 + Fe(OH)3  3H2O + Fe(NO3)3

Question 15 Balance the following chemical reaction: H2SO4 + NH4OH  H2O (NH4)2SO4 H2SO4 + 2NH4OH  2H2O (NH4)2SO4

Question 16 Balance the following chemical reaction: Potassium chloride combines with magnesium hydroxide to form potassium hydroxide and magnesium chloride. (hydroxide is OH-1) 2KCl + Mg(OH)2  2KOH + MgCl2

Question 17 Balance the following chemical reaction: NH3 + O2  NO + H2O 4NH3 + 5O2  4NO + 6H2O

Question 18 Balance the following chemical reaction: Sodium oxide decomposes to sodium and oxygen 2Na2O  4Na + O2

Question 19 Balance the following chemical reaction: VF5 + HI  V2I10 + HF 2VF5 + 10HI  V2I10 + 10HF

Question 20 Balance the following chemical reaction: C6H6 + O2  H2O + CO2 2C6H6 + 15O2  6H2O + 12CO2