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This article delves into the process of balancing various chemical equations involving magnesium, zinc, aluminum, and lead compounds. It covers the reactions of magnesium with oxygen, zinc with iron chloride, and aluminum with bromine and chlorine, as well as the reaction of lead iodine with nitric acid. Each equation is broken down step-by-step, demonstrating the principles of conservation of mass and the importance of stoichiometry in chemical reactions. Whether you're a student or a chemistry enthusiast, this guide will help you understand the balancing process.
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2 Mg + O2 2 MgO 2 Mg2 O 2 Mg2 O
3 Zn + 2 FeCl3 2 Fe + 3 ZnCl2 3 Zn2 Fe6 Cl 3 Zn2 Fe6 Cl
2 AlBr3 + 3 Cl2 2 AlCl3 + 3 Br2 2 Al 6 Br 6 Cl 2 Al 6 Br 6 Cl
PbI2 + 2 HNO3 Pb(NO3)2 + 2 HI 1 Pb 2 I 2 H 2 N 6 O 1 Pb 2 I 2 H 2 N 6 O
+ 6 HCl + 2 2 AlCl3 3 H2 Al 6 H 6 Cl 2 Al 6 H 6 Cl 2 Al
4 C12 H14 O 4 C12 H14 O 2 + 7 C2H6 O2 4 6 CO2 + H2O