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2 K + 2 H2O = 2 KOH + H2
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
MgO + NaOH = NaO + MgOH =>
MgO + NaOH = NaO + MgOH
CH3CHOOCH2CH3 + NaOH = CH3COONa + CH3CH2OH =>
4 CH3CHOOCH2CH3 + 3 NaOH = 3 CH3COONa + 5 CH3CH2OH
NiSO4(aq) + Na3PO4(aq) = NiPO4 + Na3SO4 =>
NiSO4(aq) + Na3PO4(aq) = NiPO4 + Na3SO4
H3AsO4 + Al + H{+} = AsH3 + Al3{+} + H2O =>
H3AsO4 + 24 Al + 8 H{+} = AsH3 + 8 Al3{+} + 4 H2O
Fe(s) + Pb(NO3)2(aq) = Fe(NO3)2(aq) + Pb(s) =>
Fe(s) + Pb(NO3)2(aq) = Fe(NO3)2(aq) + Pb(s)
HNO3 + NH3 = NH4NO2 + H2O =>
3 HNO3 + 5 NH3 = 4 NH4NO2 + H2O
MnO2 + Ba(OH)2 = BaHMnO4 + H2 =>
2 MnO2 + 2 Ba(OH)2 = 2 BaHMnO4 + H2
CuCl2 + Mg = Cu + MgCl2 =>
CuCl2 + Mg = Cu + MgCl2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Sc(ClO4)3 = Sc + ClO4 =>
Sc(ClO4)3 = Sc + 3 ClO4
BeSO4 + LiOH = Be(OH)2 + Li2SO4 =>
BeSO4 + 2 LiOH = Be(OH)2 + Li2SO4
C14H12O2 + NaBH4 + H2O = C14H14O2 + NaBH3OH =>
C14H12O2 + NaBH4 + H2O = C14H14O2 + NaBH3OH
C6H5Cl + HNO3 = C6H4NO2Cl + H2O =>
C6H5Cl + HNO3 = C6H4NO2Cl + H2O
MnO + NaOH = MnOH + NaO =>
MnO + NaOH = MnOH + NaO
Cr(OH)3 + HCl(aq) = H2O + CrCl3 =>
Cr(OH)3 + 3 HCl(aq) = 3 H2O + CrCl3
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
Pb(NO3)2 + Ba(OH)2 = Pb(OH)2 + Ba(NO3)2 =>
Pb(NO3)2 + Ba(OH)2 = Pb(OH)2 + Ba(NO3)2
Mg(OH)2 + N2O5 = MgO5 + NOH =>
Mg(OH)2 + N2O5 = MgO5 + 2 NOH
C5H10O5 + Ag2O = C5H10O6 + Ag =>
C5H10O5 + Ag2O = C5H10O6 + 2 Ag
BaCl2 + Al2(SO4)3 = AlCl3 + BaSO4(aq) =>
3 BaCl2 + Al2(SO4)3 = 2 AlCl3 + 3 BaSO4(aq)
Na2Cr2O7 + CH3CH2OH + H2SO4 = Cr + CH3CO2H + Na2SO4 + H2O =>
Na2Cr2O7 + 3 CH3CH2OH + H2SO4 = 2 Cr + 3 CH3CO2H + Na2SO4 + 4 H2O
Al2O3 + Mg = MgO3 + Al =>
Al2O3 + Mg = MgO3 + 2 Al
C2H6 + HNO3 = CH3CHO + NO2 + H2O =>
C2H6 + 4 HNO3 = CH3CHO + 4 NO2 + 3 H2O
CaCO3 + SiO2 = CaSiO3 + CO2(g) =>
CaCO3 + SiO2 = CaSiO3 + CO2(g)
Fe + HeSO4 = Fe2(SO4)3 + He =>
2 Fe + 3 HeSO4 = Fe2(SO4)3 + 3 He
ZnO + H{+} = Zn{+2} + H2O =>
ZnO + 2 H{+} = Zn{+2} + H2O
KClO3 + HCl = KCl + Cl + H2O =>
KClO3 + 6 HCl = KCl + 6 Cl + 3 H2O
Ca(NO3)2 + Na2C2O4 = CaC2O4 + NaNO3 =>
Ca(NO3)2 + Na2C2O4 = CaC2O4 + 2 NaNO3
KCrO2 + KBrO + KOH = K2CrO4 + KBr + H2O =>
2 KCrO2 + 3 KBrO + 2 KOH = 2 K2CrO4 + 3 KBr + H2O
HgO4 = Hg + O2 =>
HgO4 = Hg + 2 O2
Mg + O2 = O2Mg =>
Mg + O2 = O2Mg
MgI2(ag) + Pb(No3)2(ag) = PbI2(s) + Mg(No3)2 =>
MgI2(ag) + Pb(No3)2(ag) = PbI2(s) + Mg(No3)2
KMnO4 + CH3CH2OH + H2SO4 = CO2 + H2O + MnSO4 + K2SO4 =>
12 KMnO4 + 5 CH3CH2OH + 18 H2SO4 = 10 CO2 + 33 H2O + 12 MnSO4 + 6 K2SO4
Cr2O3 + NaClO3 + NaOH = Na2CrO4 + NaCl + H3O =>
9 Cr2O3 + 7 NaClO3 + 36 NaOH = 18 Na2CrO4 + 7 NaCl + 12 H3O
Zn = Zn{2+} + e =>
Zn = Zn{2+} + 2e
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Hg2(NO3)2(aq) + HBr(aq) = Hg2Br2(s) + HNO3 =>
Hg2(NO3)2(aq) + 2 HBr(aq) = Hg2Br2(s) + 2 HNO3
C7H14 = C7H8 + H2 =>
C7H14 = C7H8 + 3 H2
Fe + HCl = FeCl2 + H2 = =>
Fe + 2 HCl = FeCl2 + H2
NaCHO3 = Na2CO3 + CO2 + H2O =>
2 NaCHO3 = Na2CO3 + CO2 + H2O
AlCl3 + Na2CO3 + H2O = Al(OH)3 + NaCl + CO2 =>
2 AlCl3 + 3 Na2CO3 + 3 H2O = 2 Al(OH)3 + 6 NaCl + 3 CO2
Fe2S3 + [NO3]{-} + H{+} = Fe3{+} + [SO4]{2-} + NO + H2O =>
9 Fe2S3 + 56[NO3]{-} + 8 H{+} = 6 Fe3{+} + 27[SO4]{2-} + 56 NO + 4 H2O
Fe2O3(solid) + CO(gas) = Fe(liquid) + CO2(gas) =>
Fe2O3(solid) + 3 CO(gas) = 2 Fe(liquid) + 3 CO2(gas)
Pb(s) + NaNO3(aq) = Pb(NO3)2(aq) + Na(s) =>
Pb(s) + 2 NaNO3(aq) = Pb(NO3)2(aq) + 2 Na(s)
As2S3 + HNO3 + H2O = H3AsO4 + H2SO5 + NO =>
3 As2S3 + 34 HNO3 + H2O = 6 H3AsO4 + 9 H2SO5 + 34 NO
Sn(s) + I2 = SnI4 =>
Sn(s) + 2 I2 = SnI4
Ce(NO3)3*6H2O + NH4OH = Ce(OH)3 + (NH4)NO3 + H2O =>
Ce(NO3)3*6H2O + 3 NH4OH = Ce(OH)3 + 3(NH4)NO3 + 6 H2O
CaCO3 + H2CO3 = Ca{+2} + HCO3{-}(aq) =>
CaCO3 + H2CO3 = Ca{+2} + 2 HCO3{-}(aq)
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