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K2Cr2O7 + 14 HBr = 2 CrBr2 + 8 Br + 2 KBr + 7 H2O
Cu(NO3)2 + K2S = Cu2S + K + NO3 =>
2 Cu(NO3)2 + K2S = Cu2S + 2 K + 4 NO3
Ca(OH)2(aq) + CO2(g) = Ca(HCO3)2(aq) =>
Ca(OH)2(aq) + 2 CO2(g) = Ca(HCO3)2(aq)
CH4 + Br2 = CH3 + HBr =>
2 CH4 + Br2 = 2 CH3 + 2 HBr
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
CoOH + HCl = H2O + CoCl =>
CoOH + HCl = H2O + CoCl
LiCl + AgNO3 = AgCl + LiNO3 =>
LiCl + AgNO3 = AgCl + LiNO3
CH3CH(CH3)CHCH2 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH3CH(CH3)CHCH2 + 10 KMnO4 + 20 H2O = 10 MnO2 + 15 CH3CH(OH)CH2(OH) + 10 KOH
SrCl2 + NH4NO3 = Sr(NO3)2 + NH4Cl =>
SrCl2 + 2 NH4NO3 = Sr(NO3)2 + 2 NH4Cl
HOOC(CH2)COOH + Na = HOOC(CH2)COONa + H2 =>
2 HOOC(CH2)COOH + 2 Na = 2 HOOC(CH2)COONa + H2
Cr2O7{-}2 + H2C2O4 + H{+} = Cr{+3} + CO2 + H2O =>
2 Cr2O7{-}2 + 7 H2C2O4 + 14 H{+} = 4 Cr{+3} + 14 CO2 + 14 H2O
CUO(s) + NH4(g) = CU(s) + N2(g) + H2O(l) =>
4 CUO(s) + 2 NH4(g) = 4 CU(s) + N2(g) + 4 H2O(l)
(NH2)2CNH + H2O = (NH2)2CNH2{+} + OH{-} =>
(NH2)2CNH + H2O = (NH2)2CNH2{+} + OH{-}
CH2CHCHO + [Ag(NH3)2]OH = CH2CHCOONH4 + Ag + NH3 + H2O =>
CH2CHCHO + 2[Ag(NH3)2]OH = CH2CHCOONH4 + 2 Ag + 3 NH3 + H2O
Fe(NO3)2 + H2O = FeOHNO3 + HNO3 =>
Fe(NO3)2 + H2O = FeOHNO3 + HNO3
HI + Fe = FeI2 + H2 =>
2 HI + Fe = FeI2 + H2
NH4NO3 + KNO2 = N2 + KNO3 + H2O =>
NH4NO3 + KNO2 = N2 + KNO3 + 2 H2O
(C6H5O)3PO + H2O = H3PO4 + C18H14O =>
(C6H5O)3PO + H2O = H3PO4 + C18H14O
Mn(NO3) + NaBiO3 + HNO3 = HMnO4 + BiONO3 + NaNO3 + H2O =>
Mn(NO3) + 3 NaBiO3 + 5 HNO3 = HMnO4 + 3 BiONO3 + 3 NaNO3 + 2 H2O
Hg + NiSO4 = Ni + Hg(SO4) =>
Hg + NiSO4 = Ni + Hg(SO4)
KCl + ZnSO4 = KSO4 + ZnCl =>
KCl + ZnSO4 = KSO4 + ZnCl
(NH4)HSO4 + Na2CO3 = (NH4)2CO3 + NaHSO4 =>
2(NH4)HSO4 + Na2CO3 = (NH4)2CO3 + 2 NaHSO4
PbO2 + C = Pb + CO2 =>
PbO2 + C = Pb + CO2
Ba(HCO3)2 + HF = BaF2 + CO2 + H2O =>
Ba(HCO3)2 + 2 HF = BaF2 + 2 CO2 + 2 H2O
Cu + NaCl = NaCu + Cl =>
Cu + NaCl = NaCu + Cl
Cl2 + NaNO3 = NaClO3 + N2 =>
Cl2 + 2 NaNO3 = 2 NaClO3 + N2
KOH + HI + FeCl3 = Fe(OH)3 + KI + HCl =>
3 KOH + 3 HI + FeCl3 = Fe(OH)3 + 3 KI + 3 HCl
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
Pb3O4 + HCOOH = Pb(HCOO)2 + CO2 + H2O =>
Pb3O4 + 7 HCOOH = 3 Pb(HCOO)2 + CO2 + 4 H2O
Ag + H3SO4 = AgSO4 + H2O + SO2 =>
Ag + 4 H3SO4 = AgSO4 + 6 H2O + 3 SO2
NaOH + (NH4)2SO4 = H2O + NH3 + Na2SO4 =>
2 NaOH + (NH4)2SO4 = 2 H2O + 2 NH3 + Na2SO4
NaNO3 + H2SO4 = HNO3 + Na2SO4 =>
2 NaNO3 + H2SO4 = 2 HNO3 + Na2SO4
CuCl + (NH4)3PO4 = Cu3(PO4)2 + (NH4)2Cl =>
3 CuCl + 2(NH4)3PO4 = Cu3(PO4)2 + 3(NH4)2Cl
SiO2 + HF = SiF + O2H =>
SiO2 + HF = SiF + O2H
HL + HLO = L2 + H2O =>
HL + HLO = L2 + H2O
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
(C6H11)2SO4 + KMnO4 + H2SO4 = C6H10O4 + K4SO4 + MnSO4 + H2O =>
11(C6H11)2SO4 + 32 KMnO4 + 29 H2SO4 = 22 C6H10O4 + 8 K4SO4 + 32 MnSO4 + 40 H2O
HNO3 + CH3COOK = CH3COOH + KNO3 =>
HNO3 + CH3COOK = CH3COOH + KNO3
CaCl2 + MgCl2 = CaMgCl4 =>
CaCl2 + MgCl2 = CaMgCl4
K2O + (NH4)3PO4 = K3PO4 + H2O + NH3 =>
3 K2O + 2(NH4)3PO4 = 2 K3PO4 + 3 H2O + 6 NH3
MeS + O2 = MeO + SO2 =>
2 MeS + 3 O2 = 2 MeO + 2 SO2
K2Cr2O7 + NaNO2 + H2SO4 = H2O + Cr2(SO4)3 + K2SO4 + NaNO3 =>
K2Cr2O7 + 3 NaNO2 + 4 H2SO4 = 4 H2O + Cr2(SO4)3 + K2SO4 + 3 NaNO3
Mg(OH)2 + CaCO3 = Ca(OH)2 + MgCO3 =>
Mg(OH)2 + CaCO3 = Ca(OH)2 + MgCO3
Sn(HSO4)2 + NaOH = NaHSO4 + Sn(OH)2 =>
Sn(HSO4)2 + 2 NaOH = 2 NaHSO4 + Sn(OH)2
SiC + O2 = SiO3 + CO2 =>
2 SiC + 5 O2 = 2 SiO3 + 2 CO2
HCO3{-} + OH{-} = CO3{2-} + H2O =>
HCO3{-} + OH{-} = CO3{2-} + H2O
HNO3 + CUO = CU(NO3)2 + H2O =>
2 HNO3 + CUO = CU(NO3)2 + H2O
Br2 + CaO2H2 = CaBr2 + CaBr2O6 + H2O =>
6 Br2 + 6 CaO2H2 = 5 CaBr2 + CaBr2O6 + 6 H2O
Fe + Cr2O3 = Cr + FeO =>
3 Fe + Cr2O3 = 2 Cr + 3 FeO
Ca(s) + H2O(l) = Ca(OH)2(aq) + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(aq) + H2(g)
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