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4 NaI + MnO2 + 5 H2SO4 = MnSO3 + 4 NaHSO4 + 2 I2 + 3 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
VO3{-} + N2H4 + H{+}— = N2 + VO{2+} + H2O =>
4 VO3{-} + N2H4 + 12 H{+}— = N2 + 4 VO{2+} + 8 H2O
K2HgI4 + NH3 + KOH = IHg2ONH2 + H2O + KI =>
2 K2HgI4 + NH3 + 3 KOH = IHg2ONH2 + 2 H2O + 7 KI
As2S3 + H2O2 + OH{-} = AsO4{-3} + S + H2O =>
As2S3 + 5 H2O2 + 6 OH{-} = 2 AsO4{-3} + 3 S + 8 H2O
CO2 + CH4 = C3O2 + H2 =>
CO2 + 2 CH4 = C3O2 + 4 H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH3COONa(aq) + NaOH(aq) = CH3COOOH + Na =>
CH3COONa(aq) + NaOH(aq) = CH3COOOH + 2 Na
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
CuSeO3 = Cu + Se + O =>
CuSeO3 = Cu + Se + 3 O
CH4 + O2 = H2O + CO2OH =>
4 CH4 + 9 O2 = 6 H2O + 4 CO2OH
Nb2WC2F2 = WC + Nb6C5 + NbF5 + Nb =>
5 Nb2WC2F2 = 5 WC + Nb6C5 + 2 NbF5 + 2 Nb
Al + HC2H3O2 = Al(CH3COO)3 + H2 =>
2 Al + 6 HC2H3O2 = 2 Al(CH3COO)3 + 3 H2
(CHOH)2CHOH + O2 = CO2 + H2O =>
(CHOH)2CHOH + 3 O2 = 3 CO2 + 3 H2O
AgNO3 + NH4NO3 + H2O = [Ag(NH3)2]OH + HNO3 =>
AgNO3 + 2 NH4NO3 + H2O = [Ag(NH3)2]OH + 3 HNO3
Cu(OH)2 + C6H8O6 = (C6H7O6)2Cu + H2O =>
Cu(OH)2 + 2 C6H8O6 = (C6H7O6)2Cu + 2 H2O
H2SO3 + OH = SO3 + H3O =>
H2SO3 + OH = SO3 + H3O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
K3PO4 + PbO2 = Pb3(PO4)4 + K2O =>
4 K3PO4 + 3 PbO2 = Pb3(PO4)4 + 6 K2O
Zn(OH)2 + NaOH = Na2[Zn(OH)4] =>
Zn(OH)2 + 2 NaOH = Na2[Zn(OH)4]
SO3 = SO2 + O2 =>
2 SO3 = 2 SO2 + O2
(CH3CO)2O + C6H5CH(CH3)2 = C6H5CH2COCH3 + CH3COOH =>
12(CH3CO)2O + 4 C6H5CH(CH3)2 = 6 C6H5CH2COCH3 + 15 CH3COOH
Na2B4O7 + HCl + H2O = H3BO3 + NaCl =>
Na2B4O7 + 2 HCl + 5 H2O = 4 H3BO3 + 2 NaCl
Al2S3 + NaOH = Na[Al(OH)4] + Na2S =>
Al2S3 + 8 NaOH = 2 Na[Al(OH)4] + 3 Na2S
CoCl2*6H2O + NH4Cl + NH3 + H2O2 = [Co(NH3)6]Cl3 + H2O =>
2 CoCl2*6H2O + 2 NH4Cl + 10 NH3 + H2O2 = 2[Co(NH3)6]Cl3 + 14 H2O
NaOH(aq) + Cu(NO3)2(aq) = NaNO3(aq) + Cu(OH)2 =>
2 NaOH(aq) + Cu(NO3)2(aq) = 2 NaNO3(aq) + Cu(OH)2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Fe + Cu = Fe53Cu2 =>
53 Fe + 2 Cu = Fe53Cu2
PtO2(s) = Pt(s) + O2(g) =>
PtO2(s) = Pt(s) + O2(g)
CsH12 + O2 = Cs2O + H2O =>
4 CsH12 + 13 O2 = 2 Cs2O + 24 H2O
Ca + As = Ca3As =>
3 Ca + As = Ca3As
Cr(OH)3 + Br2 + KOH = K2CrO4 + HBr + H2O =>
2 Cr(OH)3 + 3 Br2 + 4 KOH = 2 K2CrO4 + 6 HBr + 2 H2O
KNO3 + (NH4)3PO4 = NH4NO3 + K3PO4 =>
3 KNO3 + (NH4)3PO4 = 3 NH4NO3 + K3PO4
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
HNO3 + CaO = Ca(NO3)2 + H2O =>
2 HNO3 + CaO = Ca(NO3)2 + H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
Fe + ZnCl2 = FeCl2 + Zn =>
Fe + ZnCl2 = FeCl2 + Zn
P + F2 = PF5 =>
2 P + 5 F2 = 2 PF5
K + O2 = K2O =>
4 K + O2 = 2 K2O
NH3 + Cr2O7 = N2 + Cr2O3 + H2O =>
8 NH3 + 3 Cr2O7 = 4 N2 + 3 Cr2O3 + 12 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
NaFeO2 + Cl2 = FeCl3 + NaO2 =>
2 NaFeO2 + 3 Cl2 = 2 FeCl3 + 2 NaO2
H2O + Cu = CuO + H2 =>
H2O + Cu = CuO + H2
CrO4{2-} + S2O3{2-} + H2O = Cr{3+} + SO4{2-} + OH{-} =>
8 CrO4{2-} + 3 S2O3{2-} + 17 H2O = 8 Cr{3+} + 6 SO4{2-} + 34 OH{-}
As3Lr3P4 = AsLr + P =>
As3Lr3P4 = 3 AsLr + 4 P
FeSO4 + Cu(OH)2 = CuSO4 + Fe(OH)2 =>
FeSO4 + Cu(OH)2 = CuSO4 + Fe(OH)2
K3(PO4) + Zn(NO2)2 = KNO2 + Zn3(PO4)2 =>
2 K3(PO4) + 3 Zn(NO2)2 = 6 KNO2 + Zn3(PO4)2
Cu + Hg = HgCu =>
Cu + Hg = HgCu
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