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O2 + 2 H2 = 2 H2O
Zn + KOH + H2O = K2Zn(OH)4 + H2 =>
Zn + 2 KOH + 2 H2O = K2Zn(OH)4 + H2
H5IO6 + Cr + H3O = IO3{-} + Cr3{+} + H2O(acidic) =>
H5IO6 + 3 Cr + H3O = IO3{-} + Cr3{+} + 4 H2O(acidic)
NH4Cl + Al(OH)3 = NH4(OH) + AlCl3 =>
3 NH4Cl + Al(OH)3 = 3 NH4(OH) + AlCl3
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
Cu(NO2)2 + NH4CN = Cu(CN)2 + NH4NO2 =>
Cu(NO2)2 + 2 NH4CN = Cu(CN)2 + 2 NH4NO2
Pb(OH)2 + Fe(CO3)3 = PbCO3 + Fe(OH)6 =>
3 Pb(OH)2 + Fe(CO3)3 = 3 PbCO3 + Fe(OH)6
FeS3 + H2O = FeO3 + H2S =>
FeS3 + 3 H2O = FeO3 + 3 H2S
C3H7COOH + NaOH = H2O + COOH + Na =>
C3H7COOH + 16 NaOH = 10 H2O + 4 COOH + 16 Na
HClNH4OH = H2O + NH4Cl =>
HClNH4OH = H2O + NH4Cl
MnO4{-} + NO2{-} + H{+} = MnO2 + NO3{-} + H2O =>
2 MnO4{-} + 3 NO2{-} + 2 H{+} = 2 MnO2 + 3 NO3{-} + H2O
HNO3 + SH = NO + S + H2O =>
HNO3 + 3 SH = NO + 3 S + 2 H2O
C + H2O = CO2 + H2 =>
C + 2 H2O = CO2 + 2 H2
KCl + H2SO4 = K2SO4 + HCl =>
2 KCl + H2SO4 = K2SO4 + 2 HCl
CaCO3 + CH3COOH = H2CO3 + C4H6CaO4 =>
CaCO3 + 2 CH3COOH = H2CO3 + C4H6CaO4
(ClO3)2 = Cl2 + O3 =>
(ClO3)2 = Cl2 + 2 O3
H(C7H13O2) + NaOH = H2O + Na(C7H13O2) =>
H(C7H13O2) + NaOH = H2O + Na(C7H13O2)
K2Cr2O7 + HCl + KI = CrCl3 + KCl + H2O + I2 =>
K2Cr2O7 + 14 HCl + 6 KI = 2 CrCl3 + 8 KCl + 7 H2O + 3 I2
CaAl2Si2O8 + H2O + H = Al(OH)3 + Ca + Si(OH)4 =>
CaAl2Si2O8 + 6 H2O + 2 H = 2 Al(OH)3 + Ca + 2 Si(OH)4
KMnO4 + H2SO4 + KI = H2O + I2 + K2SO4 + MnSO4 =>
2 KMnO4 + 8 H2SO4 + 10 KI = 8 H2O + 5 I2 + 6 K2SO4 + 2 MnSO4
HfCl3 + Al = HfCl2 + AlCl3 =>
3 HfCl3 + Al = 3 HfCl2 + AlCl3
Cu + BaCl2 = Ba + CuCl =>
2 Cu + BaCl2 = Ba + 2 CuCl
K + SnSO4 = K2SO4 + Sn =>
2 K + SnSO4 = K2SO4 + Sn
K2Co3 + AlCl3 = AlCo3 + K2Cl3 =>
K2Co3 + AlCl3 = AlCo3 + K2Cl3
CaSO4 + HCl + HClO3 = Ca(OCl)2 + H2SO4 =>
3 CaSO4 + 4 HCl + 2 HClO3 = 3 Ca(OCl)2 + 3 H2SO4
(NH2)2CO + AgNO3 = AgNO3(NH2)2CO =>
(NH2)2CO + AgNO3 = AgNO3(NH2)2CO
Na2CO3 + CH3CH2COOH = CH3CH2COONa + H2O + CO2 =>
Na2CO3 + 2 CH3CH2COOH = 2 CH3CH2COONa + H2O + CO2
C3H6O + C7H5NO3 = C16H10N2O2 + H(C2H3O2) + H2O =>
2 C3H6O + 2 C7H5NO3 = C16H10N2O2 + 2 H(C2H3O2) + 2 H2O
MgCO3 + H2SO4 = MgSO4 + CO2 + H2O = =>
MgCO3 + H2SO4 = MgSO4 + CO2 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + H2O(l) =>
2 HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + 2 H2O(l)
CH3COOH + Ag(NH3)2OH = Ag + (NH4)2CO3 + NH3 + H2O =>
CH3COOH + 8 Ag(NH3)2OH = 8 Ag + 2(NH4)2CO3 + 12 NH3 + 4 H2O
C6H12O + O2 = CO2 + H2O =>
2 C6H12O + 17 O2 = 12 CO2 + 12 H2O
O + He = OHe6 =>
O + 6 He = OHe6
HCOOK + H2SO4 = K2SO4 + H2O + SO2 + CO2 =>
2 HCOOK + 3 H2SO4 = K2SO4 + 4 H2O + 2 SO2 + 2 CO2
C10H15NO + H2O2 = CO2 + H2O + HNO3 =>
C10H15NO + 29 H2O2 = 10 CO2 + 36 H2O + HNO3
Cl + H2SO4 = ClSO4 + H2 =>
Cl + H2SO4 = ClSO4 + H2
Cu(s) + H2O(l) = CuOH(s) + H2(g) =>
2 Cu(s) + 2 H2O(l) = 2 CuOH(s) + H2(g)
Al + Pb(NO3)2 = PbAl(NO3)2 =>
Al + Pb(NO3)2 = PbAl(NO3)2
FeSO4 = Fe2O3 + SO2 + SO3 =>
2 FeSO4 = Fe2O3 + SO2 + SO3
P4(s) + O3(g) = P2O3(g) =>
P4(s) + 2 O3(g) = 2 P2O3(g)
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
N2O5 + SO2 = N2O3 + SO3 =>
N2O5 + 2 SO2 = N2O3 + 2 SO3
Li2SO4(aq) + BaCl2(aq) = LiCl + BaSO4 =>
Li2SO4(aq) + BaCl2(aq) = 2 LiCl + BaSO4
H2SO4 + NH3CHOH = H2NO4 + SH3CHOH =>
H2SO4 + NH3CHOH = H2NO4 + SH3CHOH
CH3NHCOCl = CH3NCO + HCl =>
CH3NHCOCl = CH3NCO + HCl
Na3AlF6 + Ca(OH)2 = CaF2 + NaOH + AlF3 =>
2 Na3AlF6 + 3 Ca(OH)2 = 3 CaF2 + 6 NaOH + 2 AlF3
Cu(OH)2 + NH3 = HNO3 + H2O + Cu =>
4 Cu(OH)2 + NH3 = HNO3 + 5 H2O + 4 Cu
BaCl2(aq) + Zn(s) = Ba(s) + ZnCl2(aq) =>
BaCl2(aq) + Zn(s) = Ba(s) + ZnCl2(aq)
Ba + ZnCl2 = BaCl2 + Zn =>
Ba + ZnCl2 = BaCl2 + Zn
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