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Pb(CH3COO)2(aq) + K2CrO4(aq) = PbCrO4(cr) + 2 KCH3COO(aq)
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
BaCO3(heat) = BaO + CO2 =>
BaCO3(heat) = BaO + CO2
CrSe3 + HNO3 + PbO2 = H2CrO7 + H2SeO4 + Pb(NO3)2 + H2O =>
CrSe3 + 30 HNO3 + 15 PbO2 = H2CrO7 + 3 H2SeO4 + 15 Pb(NO3)2 + 11 H2O
H2O2 + O2 = HO2 =>
H2O2 + O2 = 2 HO2
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
H{+} + NO2{-} + Cr2O7{2-}{-} = Cr3{+} + NO3{-} + H2O =>
8 H{+} + 17 NO2{-} + 3 Cr2O7{2-}{-} = 2 Cr3{+} + 17 NO3{-} + 4 H2O
Al + KNO2 + KOH + H2O = KAlO2 + NH3 =>
2 Al + KNO2 + KOH + H2O = 2 KAlO2 + NH3
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
Rb + LiCl = RbCl + Li =>
Rb + LiCl = RbCl + Li
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
NH3 + Na2S = Na2N + H3S =>
NH3 + Na2S = Na2N + H3S
Fe + KOH = Fe(OH)3 + K =>
Fe + 3 KOH = Fe(OH)3 + 3 K
HF + O2 = F2O + H2O =>
2 HF + O2 = F2O + H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
NH3 + H2SO4 = NH3SO3 + H2O =>
NH3 + H2SO4 = NH3SO3 + H2O
Sn4 + HBr(aq) = SnBr2(aq) + H2(g) =>
Sn4 + 8 HBr(aq) = 4 SnBr2(aq) + 4 H2(g)
P4 + Cl3 = PCl3 =>
P4 + 4 Cl3 = 4 PCl3
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
MgBr2 + NaOH = NaBr + Mg(OH)2 =>
MgBr2 + 2 NaOH = 2 NaBr + Mg(OH)2
KMnO4 = MnO2 + K2MnO4 + O2 =>
2 KMnO4 = MnO2 + K2MnO4 + O2
KNO2 + NH4Cl = NH3 + HNO2 + KCl =>
KNO2 + NH4Cl = NH3 + HNO2 + KCl
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2SO4 + Mg(NO3)2 = Mg(SO4) + H2(NO3)2 =>
H2SO4 + Mg(NO3)2 = Mg(SO4) + H2(NO3)2
CaCO3 = CaOCO2 =>
CaCO3 = CaOCO2
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
NaOH + H2O = NaO2H3 =>
NaOH + H2O = NaO2H3
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
PCl5(g) + H2O(l) = HCl(ag) + H3PO4(ag) =>
PCl5(g) + 4 H2O(l) = 5 HCl(ag) + H3PO4(ag)
H2SO4 + NaH = Na2SO4 + H2 =>
H2SO4 + 2 NaH = Na2SO4 + 2 H2
NaOH + H2O = Na(OH)2 + H2 =>
2 NaOH + 2 H2O = 2 Na(OH)2 + H2
Au2O3 + H2S = Au2S3 + H2O =>
Au2O3 + 3 H2S = Au2S3 + 3 H2O
KNO2 + NH4Cl = NH3 + HNO2 + KCl =>
KNO2 + NH4Cl = NH3 + HNO2 + KCl
HClO2 = ClO2 + HCl + H2O =>
5 HClO2 = 4 ClO2 + HCl + 2 H2O
FeCl2 + Cl2 = FeCl5 =>
2 FeCl2 + 3 Cl2 = 2 FeCl5
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na = (Na2)2 =>
4 Na = (Na2)2
AlCl3 + NaOH = Na3(Al(OH)6) + NaCl =>
AlCl3 + 6 NaOH = Na3(Al(OH)6) + 3 NaCl
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
CuO + H2SO4 = H2O + CuSO4 =>
CuO + H2SO4 = H2O + CuSO4
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
NaCo + ZnNo = ZnCo + NaNo =>
NaCo + ZnNo = ZnCo + NaNo
S + FeCl3 = SCl2 + Fe =>
3 S + 2 FeCl3 = 3 SCl2 + 2 Fe
C + H2 = CH4 =>
C + 2 H2 = CH4
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
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