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2 H2 + O2 = 2 H2O
Ca + H2SO4 = Ca(HSO4)2 + H2 =>
Ca + 2 H2SO4 = Ca(HSO4)2 + H2
Cr + H2 = CrH2 =>
Cr + H2 = CrH2
C2H4O + HCN = C3H5NO =>
C2H4O + HCN = C3H5NO
H2SO4 + HOH = H3O + SO4 =>
H2SO4 + 2 HOH = 2 H3O + SO4
P + H2 = H2P =>
P + H2 = H2P
HCO3 + Ce2(OH)3 = Ce2(CO3)3 + H2O =>
3 HCO3 + Ce2(OH)3 = Ce2(CO3)3 + 3 H2O
CrO4 + NaOH = OH + NaCrO4 =>
CrO4 + NaOH = OH + NaCrO4
NH4Cl + HCl = NH4Cl2 + H =>
NH4Cl + HCl = NH4Cl2 + H
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Ag{+} + Cl{-} = AgCl =>
Ag{+} + Cl{-} = AgCl
P + IO3{-} + OH{-} = PO4{3-} + I{-} + H2O =>
6 P + 5 IO3{-} + 18 OH{-} = 6 PO4{3-} + 5 I{-} + 9 H2O
Al2O3 + Ba2C = Al4C3 + BaO =>
2 Al2O3 + 3 Ba2C = Al4C3 + 6 BaO
SrCO3 + HAc = SrAc2 + H2CO3 =>
SrCO3 + 2 HAc = SrAc2 + H2CO3
K2Cr2O7 + H2SO4 + FeS2 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
5 K2Cr2O7 + 19 H2SO4 + 2 FeS2 = Fe2(SO4)3 + 5 K2SO4 + 5 Cr2(SO4)3 + 19 H2O
Na2(SO4) + AgBr = NaBr + Ag2(SO4) =>
Na2(SO4) + 2 AgBr = 2 NaBr + Ag2(SO4)
H2S + HgO = HgS + H2O =>
H2S + HgO = HgS + H2O
Ge3N4 + H2O = Ge(OH)4 + NH3 =>
Ge3N4 + 12 H2O = 3 Ge(OH)4 + 4 NH3
Fe2(OH)2CO3 = FeO + CO2 + H2O =>
Fe2(OH)2CO3 = 2 FeO + CO2 + H2O
NaCHO3 + H3C6H5O7 = NaC6H5O7 + H2O + CO2 =>
9 NaCHO3 + 8 H3C6H5O7 = 9 NaC6H5O7 + 14 H2O + 3 CO2
Fe(NO2)3 + H2O = HNO2 + Fe(OH)3 =>
Fe(NO2)3 + 3 H2O = 3 HNO2 + Fe(OH)3
Al + HNO3(concentrado) = Al(NO3)3 + H2(g) =>
2 Al + 6 HNO3(concentrado) = 2 Al(NO3)3 + 3 H2(g)
AI + HCO3 = AICO3 + H2 =>
2 AI + 2 HCO3 = 2 AICO3 + H2
OH2 + H2 = OH4 =>
OH2 + H2 = OH4
C55H98O6 + O2 = CO2 + H2O =>
2 C55H98O6 + 153 O2 = 110 CO2 + 98 H2O
In(OH)2 + HCl = InCl2 + H2O =>
In(OH)2 + 2 HCl = InCl2 + 2 H2O
Ni + S8 = Ni4S =>
32 Ni + S8 = 8 Ni4S
CU + AgNO3 = CUNO3 + Ag =>
CU + AgNO3 = CUNO3 + Ag
NaCl + Fe(OH)3 + HCl = FeCl2 + NaClO + H2O =>
NaCl + 2 Fe(OH)3 + 4 HCl = 2 FeCl2 + NaClO + 5 H2O
Na2FeO4 + H2SO4 + Fe3O4 = Fe2(SO4)3 + Na2SO4 + H2O =>
Na2FeO4 + 16 H2SO4 + 3 Fe3O4 = 5 Fe2(SO4)3 + Na2SO4 + 16 H2O
S + P = P2S5 =>
5 S + 2 P = P2S5
CH4 + NH3 = CH3NH2 + H2 =>
CH4 + NH3 = CH3NH2 + H2
SO2 + NaO = Na2SO3 + O2 =>
2 SO2 + 4 NaO = 2 Na2SO3 + O2
CH3CH2COOH + Na2CO3 = CH3CH2COONa + CO2 + H2O =>
2 CH3CH2COOH + Na2CO3 = 2 CH3CH2COONa + CO2 + H2O
(NH4)2CO3 + HCI = NH4CI + H2CO3 =>
(NH4)2CO3 + 2 HCI = 2 NH4CI + H2CO3
CH2CHCHCH2 + KMnO4 + H2O = MnO2 + KOH + CH2OHCH2OHCH2OHCH2OH =>
3 CH2CHCHCH2 + 2 KMnO4 + 10 H2O = 2 MnO2 + 2 KOH + 3 CH2OHCH2OHCH2OHCH2OH
HBr + LiOH = Br + LiOH2 =>
HBr + LiOH = Br + LiOH2
C7H8O2(i) + O2(g) = CO2(g) + H2O(i) =>
C7H8O2(i) + 8 O2(g) = 7 CO2(g) + 4 H2O(i)
Cu + H2C2O4 = CuC2O4 + H2 =>
Cu + H2C2O4 = CuC2O4 + H2
Mg(k) + HNO3(aq) = Mg(NO3)2(aq) + NH4NO3(aq) + H2O(s) =>
4 Mg(k) + 10 HNO3(aq) = 4 Mg(NO3)2(aq) + NH4NO3(aq) + 3 H2O(s)
CuO + Ni = CuNi + O2 =>
2 CuO + 2 Ni = 2 CuNi + O2
BaSO4 + HBr = BaBr2 + H2SO4 =>
BaSO4 + 2 HBr = BaBr2 + H2SO4
NaOH + HNO3 = NaNO3 + H2O =>
NaOH + HNO3 = NaNO3 + H2O
PH3 + H2O = PH4 + OH =>
PH3 + H2O = PH4 + OH
CaS + H2O = Ca(OH)2 + H2S =>
CaS + 2 H2O = Ca(OH)2 + H2S
Ca3(PO4)2 + O2 = CaO + PO4 =>
2 Ca3(PO4)2 + 3 O2 = 6 CaO + 4 PO4
C8H18 + NO = CO2 + N2 + H2O =>
2 C8H18 + 50 NO = 16 CO2 + 25 N2 + 18 H2O
Zn + HCl = H3 + ZnCl2 =>
3 Zn + 6 HCl = 2 H3 + 3 ZnCl2
Pb(NO3)2 + NH3 = NO3 + Pb(NH3) =>
Pb(NO3)2 + NH3 = 2 NO3 + Pb(NH3)
Pb2 + H3NO4 = PbO2 + NO2 + H2O =>
Pb2 + 8 H3NO4 = 2 PbO2 + 8 NO2 + 12 H2O
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