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Na2O + H2O = 2 NaOH
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
K2CrO4 + HCl = KCl + CrCl3 + Cl + H2O =>
K2CrO4 + 8 HCl = 2 KCl + CrCl3 + 3 Cl + 4 H2O
Fe + H2S(aq) = H2 + Fe2S3 =>
2 Fe + 3 H2S(aq) = 3 H2 + Fe2S3
C5H10 + H3PO4 = CO2 + P2O3 + H2O =>
2 C5H10 + 30 H3PO4 = 10 CO2 + 15 P2O3 + 55 H2O
CuS + KClO3 = CuO + SO2 + KCl =>
CuS + KClO3 = CuO + SO2 + KCl
(AsO4)2 + Nb = Nb3(AsO4)5 =>
5(AsO4)2 + 6 Nb = 2 Nb3(AsO4)5
MgBr2 + CO(NO3)2 = Mg(NO3)2 + COBr2 =>
MgBr2 + CO(NO3)2 = Mg(NO3)2 + COBr2
NO3H + C = CO2 + NO2 + H2O =>
4 NO3H + C = CO2 + 4 NO2 + 2 H2O
Ba(CIO3)2 = Ba + CIO3 =>
Ba(CIO3)2 = Ba + 2 CIO3
HNO3 + Al = Al2(NO3)3 + H2 =>
6 HNO3 + 4 Al = 2 Al2(NO3)3 + 3 H2
LiOH + NaHSO3 = H2O + NaSO2 + LiO =>
LiOH + NaHSO3 = H2O + NaSO2 + LiO
S8 + OH{-} = S{2-} + S2O3{2-} + H2O =>
S8 + 12 OH{-} = 4 S{2-} + 2 S2O3{2-} + 6 H2O
H{+} + SO2 + Cr2O7{-2} = Cr{+3} + SO4{-2} + H2O =>
2 H{+} + 3 SO2 + Cr2O7{-2} = 2 Cr{+3} + 3 SO4{-2} + H2O
C3H7NO2 + oxygen = C3H4O3 + ammonia =>
2 C3H7NO2 + O2 = 2 C3H4O3 + 2 NH3
K4FeC6N6 + KMnO4 + H2SO4 = KHSO4 + Fe2S3O12 + MnSO4 + HNO3CO2 + H2O =>
10 K4FeC6N6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2S3O12 + 122 MnSO4 + 60 HNO3CO2 + 188 H2O
C8H6 + H2O = C8H8O =>
C8H6 + H2O = C8H8O
HCl(aq) + Mg(s) = H2(g) + MgCl2(g) =>
2 HCl(aq) + Mg(s) = H2(g) + MgCl2(g)
H2S + NO3H = SO4H2 + NO + H2O =>
3 H2S + 8 NO3H = 3 SO4H2 + 8 NO + 4 H2O
Zn(OH)2 + HClO3 = Zn(ClO3)2 + H2O(g) =>
Zn(OH)2 + 2 HClO3 = Zn(ClO3)2 + 2 H2O(g)
BaCl2 + MgSO4 = BaSO4 + MgCl2 =>
BaCl2 + MgSO4 = BaSO4 + MgCl2
C2 + H2 + O2 = C2H6O =>
2 C2 + 6 H2 + O2 = 2 C2H6O
Na2 + Ca(OH)2 = NaOH + Ca2 =>
2 Na2 + 2 Ca(OH)2 = 4 NaOH + Ca2
NaOH + Cl2 + AgNO3 = NaCl + Ag + OHNO3 =>
2 NaOH + Cl2 + 2 AgNO3 = 2 NaCl + 2 Ag + 2 OHNO3
[MoCl5O]{-2} + H{+} + e = [MoCl5(OH2)]{-2} =>
[MoCl5O]{-2} + 2 H{+} + 2e = [MoCl5(OH2)]{-2}
BaI2 + Li = LiI + Ba =>
BaI2 + 2 Li = 2 LiI + Ba
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
KMnO4 + Na2SO3 + NaOH = K2MnO4 + Na2MnO4 + Na2SO4 + H2O =>
2 KMnO4 + Na2SO3 + 2 NaOH = K2MnO4 + Na2MnO4 + Na2SO4 + H2O
Ti[OC(NH2)2]6Cl3 + KI = Ti[OC(NH2)2]6I3 + KCl =>
Ti[OC(NH2)2]6Cl3 + 3 KI = Ti[OC(NH2)2]6I3 + 3 KCl
PbO2 + H2O2 = O2 + Pb(OH)2 =>
PbO2 + H2O2 = O2 + Pb(OH)2
Na3Cr2O7 + HCl = NaCl + CrCl3 + H2O + Cl2 =>
2 Na3Cr2O7 + 28 HCl = 6 NaCl + 4 CrCl3 + 14 H2O + 5 Cl2
TiCl4 + NaNH2 = NaCl + (NH4)2TiCl6 + TiNCl =>
3 TiCl4 + 4 NaNH2 = 4 NaCl + (NH4)2TiCl6 + 2 TiNCl
NH2(CH2)2OH + CO2 = CO(CH2)2OH + H2O + N2 =>
2 NH2(CH2)2OH + 2 CO2 = 2 CO(CH2)2OH + 2 H2O + N2
FeCO3 + H2O = Fe3O4 + H2 + CO2 =>
3 FeCO3 + H2O = Fe3O4 + H2 + 3 CO2
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
Na2OSiO2 + HCl = NaCl + SiO2 + H2O =>
Na2OSiO2 + 2 HCl = 2 NaCl + SiO2 + H2O
BaO2 + KI + H2SO4 = BaSO4 + K2SO4 + I2 + H2O =>
BaO2 + 2 KI + 2 H2SO4 = BaSO4 + K2SO4 + I2 + 2 H2O
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
Mn(SO4) + Na2CO3 = Mn(CO3) + Na2(SO4) =>
Mn(SO4) + Na2CO3 = Mn(CO3) + Na2(SO4)
NaOH + H2O + P4 = NaH2PO4 + PH3 =>
3 NaOH + 9 H2O + 2 P4 = 3 NaH2PO4 + 5 PH3
SnO + H2SO4 = (SnSO4)2 + H2O =>
2 SnO + 2 H2SO4 = (SnSO4)2 + 2 H2O
TiCl4 + MnCl = TiCl2 + MnCl2 =>
TiCl4 + 2 MnCl = TiCl2 + 2 MnCl2
Be + NH = BeN + H =>
Be + NH = BeN + H
H2O + HCN = NH3 + O2 + CH4 =>
6 H2O + 2 HCN = 2 NH3 + 3 O2 + 2 CH4
Na3PO4 + H3PO4 = NaH2PO4 =>
Na3PO4 + 2 H3PO4 = 3 NaH2PO4
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
Br2 + S{2-} + OH{-} = SO4{2-} + Br{-} + H2O =>
4 Br2 + S{2-} + 8 OH{-} = SO4{2-} + 8 Br{-} + 4 H2O
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + H2(s) =>
Cu(s) + 2 HNO3(aq) = Cu(NO3)2(aq) + H2(s)
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