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3 Hg + NO3 = HgNO + 2 HgO
Cr + CoCl2 = Co + CrCl3 =>
2 Cr + 3 CoCl2 = 3 Co + 2 CrCl3
PbS + HNO3 = Pb()NO32 + NO + S + H2O =>
3 PbS + 62 HNO3 = 3 Pb()NO32 + 59 NO + 3 S + 31 H2O
Al(SO4)3 = Al + SO4 =>
Al(SO4)3 = Al + 3 SO4
Cu(CH3COO)2 + [Fe(CN)6] = Cu2Fe(CN)6 + CH3COO =>
2 Cu(CH3COO)2 + [Fe(CN)6] = Cu2Fe(CN)6 + 4 CH3COO
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
Al(NO3)3 + Na2CO3 + H2O = Al(OH)3 + H2CO3 + NaNO3 =>
2 Al(NO3)3 + 3 Na2CO3 + 6 H2O = 2 Al(OH)3 + 3 H2CO3 + 6 NaNO3
CuSO4BaCl2 = Ba(SO4)CuCl2 =>
CuSO4BaCl2 = Ba(SO4)CuCl2
NiCO3 + HF = NiF2 + H2O + CO2 =>
NiCO3 + 2 HF = NiF2 + H2O + CO2
NiSO4Pb(NO3)2 = Ni(NO3)2PbSO4 =>
NiSO4Pb(NO3)2 = Ni(NO3)2PbSO4
Al2O3 + KOH = Al(OH)3 + K2O =>
Al2O3 + 6 KOH = 2 Al(OH)3 + 3 K2O
Na2TiO3 + HCl = NaCl + TiO2 + H2O =>
Na2TiO3 + 2 HCl = 2 NaCl + TiO2 + H2O
J2 + S = JS =>
J2 + 2 S = 2 JS
ZnOHNO3 = ZnNO3HO =>
ZnOHNO3 = ZnNO3HO
HIO3 + NaHCO3 = NaIO3 + H2CO3 =>
HIO3 + NaHCO3 = NaIO3 + H2CO3
Zn2 + NaOH + H2O = Na2[Zn(OH)4] + H2 =>
Zn2 + 4 NaOH + 4 H2O = 2 Na2[Zn(OH)4] + 2 H2
PtCl4 + XeF2 = ClF + PtF6 + Xe =>
PtCl4 + 5 XeF2 = 4 ClF + PtF6 + 5 Xe
B2O3 + H2O = H3BO3 =>
B2O3 + 3 H2O = 2 H3BO3
(b)C4H10(g) + O2(g) = CO2(g) + H2O(g) =>
2(b)C4H10(g) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
Ca(HCO3)2 + CaOH = CaHCO3 + CaCO3 + H2O =>
Ca(HCO3)2 + CaOH = CaHCO3 + CaCO3 + H2O
HIO3 = I2O5HIO3H2O =>
3 HIO3 = I2O5HIO3H2O
Li2O + Al(NO3)3 = LiNO3 + Al2O3 =>
3 Li2O + 2 Al(NO3)3 = 6 LiNO3 + Al2O3
Br + AgNO3 + NH3 = AgBr + N + H2O =>
Br + AgNO3 + 2 NH3 = AgBr + 3 N + 3 H2O
Ba(NO3)2 + H2SO4 = HNO3 + BaSO4 =>
Ba(NO3)2 + H2SO4 = 2 HNO3 + BaSO4
Na2 + O2 = Na2O =>
2 Na2 + O2 = 2 Na2O
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Fe(g) + H2O(g) = Fe3O4(s) + H2(g) =>
3 Fe(g) + 4 H2O(g) = Fe3O4(s) + 4 H2(g)
H2OCH3MgJ = CH4MgOHJ =>
H2OCH3MgJ = CH4MgOHJ
H2SO4 + FeCl3 = Fe2(SO4)3 + HCl =>
3 H2SO4 + 2 FeCl3 = Fe2(SO4)3 + 6 HCl
BaS + Al2(SO4)3 = BaSO4 + Al2S3 =>
3 BaS + Al2(SO4)3 = 3 BaSO4 + Al2S3
CuCN + CN{-} = [Cu(CN)4]{3-} =>
CuCN + 3 CN{-} = [Cu(CN)4]{3-}
NaBiO3 + HCl = NaCl + BiOCl + Cl2 + H2O =>
NaBiO3 + 4 HCl = NaCl + BiOCl + Cl2 + 2 H2O
H2O + NaCO3 = NaCH + O2 =>
2 H2O + 4 NaCO3 = 4 NaCH + 7 O2
NaI + AgNo{3} = NaNo{3} + AgI =>
NaI + AgNo{3} = NaNo{3} + AgI
O2 + PtF6 = O2PtF6 =>
O2 + PtF6 = O2PtF6
FeC3 + HNO3 = Fe2(NO3)3 + NO + CO2 + H2O =>
2 FeC3 + 12 HNO3 = Fe2(NO3)3 + 9 NO + 6 CO2 + 6 H2O
BaCl2*2H2O + K2CrO4 = KCl + BaCrO4 + H2O =>
BaCl2*2H2O + K2CrO4 = 2 KCl + BaCrO4 + 2 H2O
Li2O + HNO3 = LiNO3 + H2O =>
Li2O + 2 HNO3 = 2 LiNO3 + H2O
CuOH2 + NH3 = [Cu(NH3)4] + H2O =>
CuOH2 + 4 NH3 = [Cu(NH3)4] + H2O
H2CO3 + Cd(OH)2 = Cd(CO3) + H2O =>
H2CO3 + Cd(OH)2 = Cd(CO3) + 2 H2O
Al(NO3)3 + H2O = H(NO3)3 + AlOH =>
Al(NO3)3 + H2O = H(NO3)3 + AlOH
FeS + CaC2 + CaO = Fe + CO + CaS =>
3 FeS + CaC2 + 2 CaO = 3 Fe + 2 CO + 3 CaS
Al + SnCl2 = AlCl3 + Sn =>
2 Al + 3 SnCl2 = 2 AlCl3 + 3 Sn
NaI + AgNo{3} = NaNo{3} + AgI =>
NaI + AgNo{3} = NaNo{3} + AgI
PH3 + O2 = P4 + H2O =>
4 PH3 + 3 O2 = P4 + 6 H2O
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
MnHSO4 + K = Mn + K2HSO4 =>
MnHSO4 + 2 K = Mn + K2HSO4
PbBr3 = Pb + Br2 =>
2 PbBr3 = 2 Pb + 3 Br2
Mg(OH)2 + H3PO4 = Mg(PO4)2 + H3OH =>
Mg(OH)2 + 2 H3PO4 = Mg(PO4)2 + 2 H3OH
Li3PO4 + HBr = LiBr + H3PO4 =>
Li3PO4 + 3 HBr = 3 LiBr + H3PO4
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