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2 K2CrO4 + 3 K2S + 8 H2O = 2 Cr(OH)3 + 3 S + 10 KOH
H2SO4 + Ca(NO3)2 = HNO3 + CaSO4 =>
H2SO4 + Ca(NO3)2 = 2 HNO3 + CaSO4
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
Mg2 + HF = MgF2 + H2 =>
Mg2 + 4 HF = 2 MgF2 + 2 H2
NaMnO4 = Na2MnO4 + MnO2 + O2 =>
2 NaMnO4 = Na2MnO4 + MnO2 + O2
KCl + K2CrO4 + H2SO4 = KClO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 KCl + 8 K2CrO4 + 20 H2SO4 = 3 KClO4 + 8 K2SO4 + 4 Cr2(SO4)3 + 20 H2O
Ag2S + HNO3 = AgNO3 + NO + SO4 + H2O =>
3 Ag2S + 16 HNO3 = 6 AgNO3 + 10 NO + 3 SO4 + 8 H2O
NH4HS(s) = NH3(g) + H2S(g) =>
NH4HS(s) = NH3(g) + H2S(g)
NaOH + Ca + Br2 = NaBr + Ca(OH)2 =>
2 NaOH + Ca + Br2 = 2 NaBr + Ca(OH)2
Cu + H2SO4 = Cu2(SO4)2 + H2O + S2O =>
10 Cu + 14 H2SO4 = 5 Cu2(SO4)2 + 14 H2O + 2 S2O
Zn + Al2(SO4)3 = Zn(SO4)3 + Al =>
Zn + Al2(SO4)3 = Zn(SO4)3 + 2 Al
(C6H5)2CO + NaBH4 = (C6H5)2CHOH + NaBH2 =>
(C6H5)2CO + NaBH4 = (C6H5)2CHOH + NaBH2
Ca2 + (CO3)2 = Ca2O2 + CO2 =>
Ca2 + (CO3)2 = Ca2O2 + 2 CO2
Pd + SnCl2 = PdCl + Sn =>
2 Pd + SnCl2 = 2 PdCl + Sn
HCl + N2H4 + NaVO3 = VOCl2 + N2 + H2O + NaCl =>
12 HCl + N2H4 + 4 NaVO3 = 4 VOCl2 + N2 + 8 H2O + 4 NaCl
Pb + NaCl = Pb(NaCl)2 =>
Pb + 2 NaCl = Pb(NaCl)2
Li + Ca3P2 = Li3P + Ca =>
6 Li + Ca3P2 = 2 Li3P + 3 Ca
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Mg(s) + CuSO4(l) = MgSO4(l) + Cu(s) =>
Mg(s) + CuSO4(l) = MgSO4(l) + Cu(s)
KOH + (NH4)2SO4 = K2SO4 + NH5O =>
2 KOH + (NH4)2SO4 = K2SO4 + 2 NH5O
Pb + HI = PbI2 + H =>
Pb + 2 HI = PbI2 + 2 H
AuCl3 + O2 = Au2O3 + Cl2 =>
4 AuCl3 + 3 O2 = 2 Au2O3 + 6 Cl2
Cu + CrO4 = CuO + Cr =>
4 Cu + CrO4 = 4 CuO + Cr
Al(OH)3 + LiOH = Li[Al(OH)4] =>
Al(OH)3 + LiOH = Li[Al(OH)4]
Na2CO3 + HI = NaI + CO2 + H2O =>
Na2CO3 + 2 HI = 2 NaI + CO2 + H2O
OH + I = IO4 + H2O =>
8 OH + I = IO4 + 4 H2O
K + NiSO4 = Ni + K2SO4 =>
2 K + NiSO4 = Ni + K2SO4
NaOCN + NaClO + H2O = NaCl + NaHCO3 + N2 =>
2 NaOCN + 3 NaClO + H2O = 3 NaCl + 2 NaHCO3 + N2
Cl2O3 = Cl + O2 =>
2 Cl2O3 = 4 Cl + 3 O2
HCl + Na2CrO3 = NaCl + H2O + CrO2 =>
2 HCl + Na2CrO3 = 2 NaCl + H2O + CrO2
H2(g) + O2(g) = O2(g)H2O =>
2 H2(g) + 3 O2(g) = 2 O2(g)H2O
Pb(H2PO4)2 + Na(OH)2 = PbPO4 + Na2PO4 + H2O =>
Pb(H2PO4)2 + 2 Na(OH)2 = PbPO4 + Na2PO4 + 4 H2O
CH3CH2CH2NH2 + O2 = CO2 + H2O + N2 =>
4 CH3CH2CH2NH2 + 21 O2 = 12 CO2 + 18 H2O + 2 N2
Cu + Au2(SO4)3 = CuSO4 + Au =>
3 Cu + Au2(SO4)3 = 3 CuSO4 + 2 Au
C2H4 + C2H4O2 = C4H8O2 =>
C2H4 + C2H4O2 = C4H8O2
S8(s) + F2 = SF4(g) =>
S8(s) + 16 F2 = 8 SF4(g)
NaCl(aq) + NH3(aq) + CO2(s) + H2O = NH4Cl(aq) + NaHCO3(s) =>
NaCl(aq) + NH3(aq) + CO2(s) + H2O = NH4Cl(aq) + NaHCO3(s)
H3AsO4 + SnCl2 + HCl = As + SnCl4 + H2O =>
2 H3AsO4 + 5 SnCl2 + 10 HCl = 2 As + 5 SnCl4 + 8 H2O
HgO + Cl = HgCl + O =>
HgO + Cl = HgCl + O
Br2 + HF = BrF + H2 =>
Br2 + 2 HF = 2 BrF + H2
Zn(OH)2 + OH{-} = Zn(OH)4{2-} =>
Zn(OH)2 + 2 OH{-} = Zn(OH)4{2-}
Fe + (NH4)2S = FeS + (NH4)2 =>
Fe + (NH4)2S = FeS + (NH4)2
Zn(OH)2 + HC2H3O2 = Zn(C2H3O2)2 + H2O =>
Zn(OH)2 + 2 HC2H3O2 = Zn(C2H3O2)2 + 2 H2O
K + As2 + O = K3AsO4 =>
6 K + As2 + 8 O = 2 K3AsO4
C6H2O6 + O2 = CO2 + H2O =>
2 C6H2O6 + 7 O2 = 12 CO2 + 2 H2O
P4 + NaHO + H2O = PH3 + NaHPO3 =>
7 P4 + 12 NaHO + 24 H2O = 16 PH3 + 12 NaHPO3
CuCl2(aq) + K2SO4(aq) = CuSO4(aq) + KCl(aq) =>
CuCl2(aq) + K2SO4(aq) = CuSO4(aq) + 2 KCl(aq)
MnCl2 + Na2SO4 = MnSO4 + NaCl =>
MnCl2 + Na2SO4 = MnSO4 + 2 NaCl
C4H5NO2 + O2 = CO2 + H2O + NO2 =>
4 C4H5NO2 + 21 O2 = 16 CO2 + 10 H2O + 4 NO2
Cl2 + KHO = KCl + KClO + H2O =>
Cl2 + 2 KHO = KCl + KClO + H2O
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