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2 Fe + 6 HNO2 = 2 Fe(NO2)3 + 3 H2
AgCH3CO2 + HCl = AgCl + HCH3CO2 =>
AgCH3CO2 + HCl = AgCl + HCH3CO2
Co + H{+} = Co2{+} + H2 =>
4 Co + 2 H{+} = 2 Co2{+} + H2
Ba + CO2 = BaO + C =>
2 Ba + CO2 = 2 BaO + C
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
AlCl3(s) + Ca3N2(s) = AlN(s) + CaCl2(s) =>
2 AlCl3(s) + Ca3N2(s) = 2 AlN(s) + 3 CaCl2(s)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Mg(s) + ZnBr2(ac) = MgBr2 + Zn =>
Mg(s) + ZnBr2(ac) = MgBr2 + Zn
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Na3AlO3 + H2SO4 = Al(OH)3 + Na2SO4 =>
2 Na3AlO3 + 3 H2SO4 = 2 Al(OH)3 + 3 Na2SO4
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
LiBr + CaSO3 = CaBr2 + Li2SO3 =>
2 LiBr + CaSO3 = CaBr2 + Li2SO3
NaOH + KHSO4 = KSO4Na + H2O =>
NaOH + KHSO4 = KSO4Na + H2O
Fe2 + HF = FeF3 + H2 =>
Fe2 + 6 HF = 2 FeF3 + 3 H2
CaSi2 + H = Ca + SiH4 =>
CaSi2 + 8 H = Ca + 2 SiH4
NbC + Nb2O5 = Nb + CO =>
5 NbC + Nb2O5 = 7 Nb + 5 CO
N2O3 + H2O = HNO2 =>
N2O3 + H2O = 2 HNO2
CH3CH2CH2OH + PCl5 = CH3CH2CH2Cl + H3PO4 + H2O =>
5 CH3CH2CH2OH + PCl5 = 5 CH3CH2CH2Cl + H3PO4 + H2O
HMnO4 + Na3AsO3 + HNO3 = Mn(NO3)2 + H3AsO4 + NaNO3 + H2O =>
2 HMnO4 + 5 Na3AsO3 + 19 HNO3 = 2 Mn(NO3)2 + 5 H3AsO4 + 15 NaNO3 + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca + Al3{+} = Ca2{+} + Al =>
2 Ca + Al3{+} = Ca2{+} + 3 Al
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
KClO + H2O = KClO3 + H2 =>
KClO + 2 H2O = KClO3 + 2 H2
Pt(s) + Cl2(g) = PtCl4(s) =>
Pt(s) + 2 Cl2(g) = PtCl4(s)
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
CH3COCl + CH3OH = CH3COOH + CH3Cl =>
CH3COCl + CH3OH = CH3COOH + CH3Cl
H2S + FeCl3 = FeCl2 + FeS2 + HCl =>
2 H2S + 2 FeCl3 = FeCl2 + FeS2 + 4 HCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NH4OH + H2O2 + C4H8O = C4H9NO + H2O =>
NH4OH + H2O2 + C4H8O = C4H9NO + 3 H2O
NH4NO3 + NaCl = NH4Cl + NaNO3 =>
NH4NO3 + NaCl = NH4Cl + NaNO3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
H2S + SO2 = H2O + SO =>
H2S + 2 SO2 = H2O + 3 SO
FeBr2 + Sn = SnBr4 + Fe =>
2 FeBr2 + Sn = SnBr4 + 2 Fe
H2 + F2 = HF =>
H2 + F2 = 2 HF
N2 + HCl = NH4Cl + Cl2 =>
N2 + 8 HCl = 2 NH4Cl + 3 Cl2
Pb(ClO4)2 + (NH4)2SO4 = PbSO4 + NH4ClO4 =>
Pb(ClO4)2 + (NH4)2SO4 = PbSO4 + 2 NH4ClO4
Sr + Ni2O = SrO + Ni =>
Sr + Ni2O = SrO + 2 Ni
C6H11OH + Cr2O7{2-} + H{+} = C6H10O + Cr{3+} + H2O =>
3 C6H11OH + Cr2O7{2-} + 8 H{+} = 3 C6H10O + 2 Cr{3+} + 7 H2O
CH3COOH + KOH = KCH3COO + H2O =>
CH3COOH + KOH = KCH3COO + H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Pb(s) + H3PO4(aq) = H2(g) + Pb3(PO4)2(aq) =>
3 Pb(s) + 2 H3PO4(aq) = 3 H2(g) + Pb3(PO4)2(aq)
Na2S2O3 + KMnO4 + H2SO4 = K2SO4 + Na2SO4 + MnSO4 + H2O =>
5 Na2S2O3 + 8 KMnO4 + 7 H2SO4 = 4 K2SO4 + 5 Na2SO4 + 8 MnSO4 + 7 H2O
Cu + HCN = CuCN + H =>
Cu + HCN = CuCN + H
Pb(s) + HCl(aq) = PbCl2(aq) + H2(g) =>
Pb(s) + 2 HCl(aq) = PbCl2(aq) + H2(g)
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
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