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2 NaI + FeCl2 = FeI2 + 2 NaCl
NaPO4(aq) + CuSO4(aq) = NaSO4(aq) + CuPO4(s) =>
NaPO4(aq) + CuSO4(aq) = NaSO4(aq) + CuPO4(s)
Mg + N2 + HCl = MgCl2 + NH3 =>
3 Mg + N2 + 6 HCl = 3 MgCl2 + 2 NH3
NiCO3(heated) = NiO + CO2 =>
NiCO3(heated) = NiO + CO2
HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g) =>
2 HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g)
NaHS + O2 = Na2S2 + H2O =>
4 NaHS + O2 = 2 Na2S2 + 2 H2O
HCl(heat) = H2 + Cl2 =>
2 HCl(heat) = H2 + Cl2
Fe2O3 + CH4 = Fe + CO2 + H2O =>
4 Fe2O3 + 3 CH4 = 8 Fe + 3 CO2 + 6 H2O
Pb(NO3)2(aq) + HBr(aq) = PbBr2(s) + HNO3(aq) =>
Pb(NO3)2(aq) + 2 HBr(aq) = PbBr2(s) + 2 HNO3(aq)
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
Ag(s) + S = Ag2S(s) =>
2 Ag(s) + S = Ag2S(s)
V2 = V3 =>
3 V2 = 2 V3
H2O(g) + C = CO + H2 =>
H2O(g) + C = CO + H2
CH3CH2OH + Cr2O7{2-} + H{+} = CH3CHO + Cr{3+} + H2O =>
3 CH3CH2OH + Cr2O7{2-} + 8 H{+} = 3 CH3CHO + 2 Cr{3+} + 7 H2O
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
KFeO2 + KOH + H2O2 = K2FeO4 + H2O =>
2 KFeO2 + 2 KOH + 3 H2O2 = 2 K2FeO4 + 4 H2O
HNO3 + Hg + H2SO4 = Hg2SO4 + H2O + N2O =>
2 HNO3 + 8 Hg + 4 H2SO4 = 4 Hg2SO4 + 5 H2O + N2O
NaNO3 + FeCl3 = NaCl3 + FeNO3 =>
NaNO3 + FeCl3 = NaCl3 + FeNO3
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CO + CuCl + H2O = COCuClH2O =>
CO + CuCl + H2O = COCuClH2O
Cs2 + O2 = Cs2O2 =>
Cs2 + O2 = Cs2O2
K + Na3PO4 = Na + K3PO4 =>
3 K + Na3PO4 = 3 Na + K3PO4
Na2S + Br2 = NaBr + S =>
Na2S + Br2 = 2 NaBr + S
F2 = F32 =>
16 F2 = F32
FeHCO3 + CaOH = FeOH + CaHCO3 =>
FeHCO3 + CaOH = FeOH + CaHCO3
K + Ag = KAg =>
K + Ag = KAg
LiHCO3 + HClO4 = HCO3 + LiHClO4 =>
LiHCO3 + HClO4 = HCO3 + LiHClO4
Na2Cr2O7 + S = Na2SO4 + Cr2O3 =>
Na2Cr2O7 + S = Na2SO4 + Cr2O3
CuO + NH4H2PO4 = Cu3(PO4)2 + NH3 + H2O =>
3 CuO + 2 NH4H2PO4 = Cu3(PO4)2 + 2 NH3 + 3 H2O
P4(g) + O2(g) = P4O10(s) =>
P4(g) + 5 O2(g) = P4O10(s)
KMnO4 + HNO2 + H2SO4 = MnSO4 + HNO3 + K2SO4 + H2O =>
2 KMnO4 + 5 HNO2 + 3 H2SO4 = 2 MnSO4 + 5 HNO3 + K2SO4 + 3 H2O
As(OH)3 + KOH = K3[AsO3] + H2O =>
As(OH)3 + 3 KOH = K3[AsO3] + 3 H2O
CH3CH2NH + HCl = CH3CH2NH2 + Cl =>
CH3CH2NH + HCl = CH3CH2NH2 + Cl
CaI2(aq) + Hg(No3)2(aq) = Ca(No3)2(aq) + HgI2(s) =>
CaI2(aq) + Hg(No3)2(aq) = Ca(No3)2(aq) + HgI2(s)
H + O = H2O =>
2 H + O = H2O
H2SO3 + H2O2 = H2SO4 + H2O =>
H2SO3 + H2O2 = H2SO4 + H2O
CH3CH2OH + Cu(OH)2 = CH3CHO + Cu2O + H2O =>
CH3CH2OH + 2 Cu(OH)2 = CH3CHO + Cu2O + 3 H2O
(NH4)2S + H3PO4 = (NH4)3PO4 + H2S =>
3(NH4)2S + 2 H3PO4 = 2(NH4)3PO4 + 3 H2S
C6H6COO + O2 = CO2 + H2O =>
2 C6H6COO + 15 O2 = 14 CO2 + 6 H2O
NaCl + AgN = Na3N + AgCl3 =>
3 NaCl + AgN = Na3N + AgCl3
MnSO4 + SnO2 + H2SO4 = HMnO4 + SnSO4 + H2O =>
2 MnSO4 + 5 SnO2 + 3 H2SO4 = 2 HMnO4 + 5 SnSO4 + 2 H2O
C4H7O2 + NaOH = C2H3O2Na + C2H6O =>
4 C4H7O2 + 5 NaOH = 5 C2H3O2Na + 3 C2H6O
ThO2 + H2O = Th(OH)4 =>
ThO2 + 2 H2O = Th(OH)4
FeO + Ba(No3)2 = Fe(No3)2 + BaO =>
FeO + Ba(No3)2 = Fe(No3)2 + BaO
CaH(NaCl3)2 + H2 = H5Cl6 + CaNa2 =>
CaH(NaCl3)2 + 2 H2 = H5Cl6 + CaNa2
SnCrO4 = Sn + Cr + O4 =>
SnCrO4 = Sn + Cr + O4
Cu2 + O2 + H2SO4 = CuSO4 + H2O =>
Cu2 + O2 + 2 H2SO4 = 2 CuSO4 + 2 H2O
OH{-} + ClO{-} + Cr(OH)4{-} = CrO4{2-} + Cl{-} + H2O =>
2 OH{-} + 3 ClO{-} + 2 Cr(OH)4{-} = 2 CrO4{2-} + 3 Cl{-} + 5 H2O
O2 + Pt = Pt2O =>
O2 + 4 Pt = 2 Pt2O
KI + (NH4)2Cr2O7 + H2SO4 = I2 + Cr2(SO4)3 + KOH + NH3 + H2O =>
6 KI + (NH4)2Cr2O7 + 3 H2SO4 = 3 I2 + Cr2(SO4)3 + 6 KOH + 2 NH3 + H2O
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