Balance the equations below: ___N_2 ___H_2 rightarrow ___NH_3 ___KClO_3 rightarr

Question

Balance the equations below: ___N_2 ___H_2 rightarrow ___NH_3 ___KClO_3 rightarrow___KCl + ___ O_2 NaCl+___F_2 rightarrow ___ NaF +___Cl_2 H_2+__O_2 rightarrow ___H_2O ____Pb(OH))2+___HCl rightarrow___H_2O+___PbCl_2 ___AlBr_3+___K_2SO_4 rightarrow____KBr+___Al_(SO_4)_3 ___CH_4+___O_2 rightarrowCO_2+___H_O C_2H_8+___O_2 rightarrow___O_2+___H_2O ___C_8H_18+____ O_2 rightarrow__CO_2+___H_2O FeCl_3+___NaOH rightarrow ___Fe(OH)_3+___NaVl __P +__O_2 rightarrow___P_2O_5 Na+___H_2O rightarrow___ NaOH+___H_2 ___Ag_2O rightarrow Ag+___O_2 ___S_8 +___O_2 rightarrow__SO_3 ___CO_2 + ___SO_3 ___CO_2+ ____MgBr rightarrow ___KBr + ____Mg HCl +___CaCO_3 rightarrow___CACl_2 + ___H_2O+____CO_2 ____HNO_3+____NaHCO_3 rightarrow____NANO_3 +____H_2O+____CO_2 ___H_0O +___O_2 rightarrow ___H_2O_2 ___NABr+ ___VaF_2 rightarrow ___NaF +___ VaBr_2 ____H_2SO_4+____NaNO_2 rightarrow___HNO_2+___Na_2SO_4

Explanation / Answer

Balance:

Q1.

N2 + H2 = NH3

N2 + H2 = 2NH3

N2 + 3H2 = 2NH3

Q2.

KClO3 = KCl + O2

KClO3 = KCl + 3O2

2KClO3 = KCl + 3O2

2KClO3 = 2KCl + 3O2

Q3.

NaCl + F2 = NaF + Cl2

2NaCl + F2 = 2NaF + Cl2

Q4.

H2 + O2 = H2O

H2 + O2 = 2H2O

2H2 + O2 = 2H2O

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