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4 Cr2O3 + 3 NaNO3 + 16 KOH = 8 K2CrO4 + 3 NaOH + 3 NH3 + 2 H2O
C2H5COOH + CaO = (C2H5COO)2Ca + H2O =>
2 C2H5COOH + CaO = (C2H5COO)2Ca + H2O
PH3 + HBr = PBr + H2 =>
PH3 + HBr = PBr + 2 H2
ZnO + NO2 = Zn(NO3)2 + NO =>
ZnO + 3 NO2 = Zn(NO3)2 + NO
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Fe + O2 + H2O = Fe2O3(H2O) =>
4 Fe + 3 O2 + 2 H2O = 2 Fe2O3(H2O)
Ag(NO3)2(aq) + KCl(aq) = AgCl2(s) + KNO3(aq) =>
Ag(NO3)2(aq) + 2 KCl(aq) = AgCl2(s) + 2 KNO3(aq)
CH3COCOOH + CH3COONa = CH3COCOONa + CH3COOH =>
CH3COCOOH + CH3COONa = CH3COCOONa + CH3COOH
C3H7COOH + C2H5OH = C3H7COOC2H7 + H2O =>
C3H7COOH + 4 C2H5OH = 2 C3H7COOC2H7 + 2 H2O
(C6H5C)4(C4H2N)2(C4H2NH)2 + Cu(CH3CO2C)4 = Cu(C6H5C)4(C4H2N)4 + H2(CH3CO2C)4 =>
(C6H5C)4(C4H2N)2(C4H2NH)2 + Cu(CH3CO2C)4 = Cu(C6H5C)4(C4H2N)4 + H2(CH3CO2C)4
NiCO3(s) = NiO + CO2 =>
NiCO3(s) = NiO + CO2
C2H8(g) + O2(g) = H2O(g) + CO2(g) =>
C2H8(g) + 4 O2(g) = 4 H2O(g) + 2 CO2(g)
HOOH + H3O = H2O =>
HOOH + 2 H3O = 4 H2O
Al(OH)Cl2 + H2O = Al(OH)2Cl + HCl =>
Al(OH)Cl2 + H2O = Al(OH)2Cl + HCl
Na2S(aq) + ZnSO4(aq) = Na2SO4(aq) + ZnS(s) =>
Na2S(aq) + ZnSO4(aq) = Na2SO4(aq) + ZnS(s)
NH4Br + KOH = NH3 + H2O + KBr =>
NH4Br + KOH = NH3 + H2O + KBr
P(s) + KClO3(s) = KCl(s) + P2O5(s) =>
6 P(s) + 5 KClO3(s) = 5 KCl(s) + 3 P2O5(s)
H2PHO3 + H3O{+} + Zn = Zn{2+} + P + H2O =>
2 H2PHO3 + 6 H3O{+} + 3 Zn = 3 Zn{2+} + 2 P + 12 H2O
Na3PO4 = Na3 + PO4 =>
Na3PO4 = Na3 + PO4
Cr2O3 + NaNO3 + KOH = K2CrO4 + NaOH + NH3 + H2O =>
4 Cr2O3 + 3 NaNO3 + 16 KOH = 8 K2CrO4 + 3 NaOH + 3 NH3 + 2 H2O
nonane + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
C6H8O7 + Mg = C6H6MgO7 + H2 =>
C6H8O7 + Mg = C6H6MgO7 + H2
CaS + I + HCl = CaCl2 + HI + S =>
CaS + 2 I + 2 HCl = CaCl2 + 2 HI + S
C6H5CH2COOH + CH3NH2 + CH3CH2CHOH = C6H5CH2CHCH3NH3CH3 + H2O =>
9 C6H5CH2COOH + 28 CH3NH2 + 60 CH3CH2CHOH = 28 C6H5CH2CHCH3NH3CH3 + 78 H2O
Mg3(Po4)2 + Mg(OH)2 = (MgOH)3Po4 =>
Mg3(Po4)2 + 3 Mg(OH)2 = 2(MgOH)3Po4
Cu + CO2 + H2O = CuO + CH4 =>
4 Cu + CO2 + 2 H2O = 4 CuO + CH4
Li2CO2 = CO2 + Li =>
Li2CO2 = CO2 + 2 Li
Na4V6O17 + NaOH = Na3VO4 + H2O =>
Na4V6O17 + 14 NaOH = 6 Na3VO4 + 7 H2O
Cu2Cl + Na2S = Cu2S + Na2Cl =>
Cu2Cl + Na2S = Cu2S + Na2Cl
C{-2} = C + {-} =>
C{-2} = C + 2e
NaOH + CH3COOH = NaH + C2H4O3 =>
NaOH + CH3COOH = NaH + C2H4O3
ZnSO4 + NaOH = Na2SO4 + Zn(OH)2 =>
ZnSO4 + 2 NaOH = Na2SO4 + Zn(OH)2
NaHCO3(s) + H2SO4(l) = Na2SO4(s) + H2O(l) + CO2(g) =>
2 NaHCO3(s) + H2SO4(l) = Na2SO4(s) + 2 H2O(l) + 2 CO2(g)
H2O + NO2 = NO + HNO3 =>
H2O + 3 NO2 = NO + 2 HNO3
Co + PbNO2 = CoNO2 + Pb =>
Co + PbNO2 = CoNO2 + Pb
CuSO4 + Na = Cu + SO4Na =>
CuSO4 + Na = Cu + SO4Na
ZnO + NO2 = Zn(NO3)2 + NO =>
ZnO + 3 NO2 = Zn(NO3)2 + NO
ZnS + NH4Cl = ZnCl2 + (NH4)2S =>
ZnS + 2 NH4Cl = ZnCl2 + (NH4)2S
CD(NO3)2 + H2O = CD(OH)2 + HNO3 =>
CD(NO3)2 + 2 H2O = CD(OH)2 + 2 HNO3
Al(NO3)3 + NaSO4 = Al(NO3)3NaSO4 =>
Al(NO3)3 + NaSO4 = Al(NO3)3NaSO4
Ag2SO4 + K2Cr2O7 + H2SO4 = Ag2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
3 Ag2SO4 + 2 K2Cr2O7 + 14 H2SO4 = 3 Ag2(SO4)3 + 2 K2SO4 + 2 Cr2(SO4)3 + 14 H2O
KMnO4 + KNO2 + H2SO4 = MnSO4 + KNO3 + K2SO4 + H20O =>
20 KMnO4 + 77 KNO2 + 30 H2SO4 = 20 MnSO4 + 77 KNO3 + 10 K2SO4 + 3 H20O
Fe(OH)3 + HCl(aq) = FeCl3(aq) + H2O =>
Fe(OH)3 + 3 HCl(aq) = FeCl3(aq) + 3 H2O
CH2O + (Cu(NH3)4)(OH)2 = NH4HCO3 + Cu2O + NH3 + H2O =>
CH2O + 4(Cu(NH3)4)(OH)2 = NH4HCO3 + 2 Cu2O + 15 NH3 + 4 H2O
HNO3(l) + P4O10(s) = (HPO3)3(l) + N2O5(g) =>
12 HNO3(l) + 3 P4O10(s) = 4(HPO3)3(l) + 6 N2O5(g)
NH3 + O2 = N2O4 + H2O =>
4 NH3 + 7 O2 = 2 N2O4 + 6 H2O
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
C2H8(g) + O2(g) = H2O(g) + CO2(g) =>
C2H8(g) + 4 O2(g) = 4 H2O(g) + 2 CO2(g)
K4(Co(CN)6) + H2O = K3(Co(CN)6) + KOH + H =>
K4(Co(CN)6) + H2O = K3(Co(CN)6) + KOH + H
Cu2Cl + Na2S = Cu2S + Na2Cl =>
Cu2Cl + Na2S = Cu2S + Na2Cl
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