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4 Cr + 3 O2 = 2 Cr2O3
AsCl3 + C2H2 + AlCl3 = (ClC2H2)3As*AlCl3 =>
AsCl3 + 3 C2H2 + AlCl3 = (ClC2H2)3As*AlCl3
P + H2SO4 = PSO4 + H2 =>
P + H2SO4 = PSO4 + H2
ZnO + NH3 = Zn + N2 + H2O =>
3 ZnO + 2 NH3 = 3 Zn + N2 + 3 H2O
HIO3 + H2O = H2O2 + I2 =>
2 HIO3 + 4 H2O = 5 H2O2 + I2
KClO3 = KCl(g) + O2 =>
2 KClO3 = 2 KCl(g) + 3 O2
Cr + HBrO3 = Cr(BrO3)3 + Br2O3 + H2O =>
4 Cr + 18 HBrO3 = 4 Cr(BrO3)3 + 3 Br2O3 + 9 H2O
NH3 + Fe(OH)2 = Fe3(N)2 + H2O =>
2 NH3 + 3 Fe(OH)2 = Fe3(N)2 + 6 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Cu(C2H3O2)2 + H2O = Cu(H2O)4 + C2H3O2 =>
Cu(C2H3O2)2 + 4 H2O = Cu(H2O)4 + 2 C2H3O2
CH3CH(CH3)CH3 + Br2 = HBr + CH3CBr(CH3)CH(CH3)CH3 =>
3 CH3CH(CH3)CH3 + 3 Br2 = 4 HBr + 2 CH3CBr(CH3)CH(CH3)CH3
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
Al2O3 + Ca(OH)2 + H2O = Ca[Al(OH)4]2 =>
Al2O3 + Ca(OH)2 + 3 H2O = Ca[Al(OH)4]2
C15H31COONa + O2 = CO2 + H2O + Na2CO3 =>
2 C15H31COONa + 46 O2 = 31 CO2 + 31 H2O + Na2CO3
HCl + NaCO3 = NaCl2 + H2O + CO2 =>
2 HCl + NaCO3 = NaCl2 + H2O + CO2
NiO(OH) + H2O + Cd = NiOH + CdOH =>
NiO(OH) + H2O + 2 Cd = NiOH + 2 CdOH
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
C8H11N + CH2O = C10H15NO2 =>
C8H11N + 2 CH2O = C10H15NO2
HSbO3 + Na(OH) = Na(SbO3) + H2O =>
HSbO3 + Na(OH) = Na(SbO3) + H2O
N3H3 + O2 = N2 + H2O =>
4 N3H3 + 3 O2 = 6 N2 + 6 H2O
MgBr2 + K2CO3 = Mg2CO3 + KBr2 =>
2 MgBr2 + K2CO3 = Mg2CO3 + 2 KBr2
AlCl3 + H2O(l) = HCl(aq) + Al(OH)3 =>
AlCl3 + 3 H2O(l) = 3 HCl(aq) + Al(OH)3
Al2O3 + Na2O = NaAl2O4 + Na =>
Al2O3 + Na2O = NaAl2O4 + Na
Mg + HNO3(concentrado) = Mg(NO3)2 + H2O + NO2 =>
Mg + 4 HNO3(concentrado) = Mg(NO3)2 + 2 H2O + 2 NO2
Hg2O + O = HgO =>
Hg2O + O = 2 HgO
KMnO4 + NaOH + NaHSO3 = K2MnO4 + Na2SO4 + MnO2 + H2O =>
2 KMnO4 + 2 NaOH + 2 NaHSO3 = K2MnO4 + 2 Na2SO4 + MnO2 + 2 H2O
H2O + CO2 + C18H35NaO2 = NaHCO3 + C18H36O2 =>
H2O + CO2 + C18H35NaO2 = NaHCO3 + C18H36O2
Fe2O3 + CH4 = CO + Fe3O4 + H2 =>
3 Fe2O3 + CH4 = CO + 2 Fe3O4 + 2 H2
SiC + Cl2 = SiCl4 + C =>
SiC + 2 Cl2 = SiCl4 + C
C8H16 + O2 = CO28H2O =>
C8H16 + 116 O2 = 8 CO28H2O
S + Au3P = P4S3 + Au =>
3 S + 4 Au3P = P4S3 + 12 Au
CH4 + N4Cl4 = N2 + H2 + CCl4 =>
CH4 + N4Cl4 = 2 N2 + 2 H2 + CCl4
Mn(ClO3)2 = MnCl2 + O =>
Mn(ClO3)2 = MnCl2 + 6 O
BaCl + NH4(SO4)2 = Ba(SO4)2 + NH4Cl =>
BaCl + NH4(SO4)2 = Ba(SO4)2 + NH4Cl
As2S5 + H{+} + NO3{-] = H3AsO4+SO4{2-}+H2O+NO2 =>
As2S5 + 30 H{+} + 40 NO3{-] = 2 H3AsO4+5SO4{2-}+12H2O+40NO2
C9H8O + NaBH4 = C9H10O + Na + BH3 =>
C9H8O + 2 NaBH4 = C9H10O + 2 Na + 2 BH3
(NaO2CCH2)2NCH2CH2N(CH2CO2Na)2 + HCl = (HO2CCH2)2NCH2CH2N(CH2CO2H)2 + NaCl =>
(NaO2CCH2)2NCH2CH2N(CH2CO2Na)2 + 4 HCl = (HO2CCH2)2NCH2CH2N(CH2CO2H)2 + 4 NaCl
AgNO2 + Li = LiNO2 + Ag =>
AgNO2 + Li = LiNO2 + Ag
Cu + CO2 = CuO + CO =>
Cu + CO2 = CuO + CO
C + HO = CO + H =>
C + HO = CO + H
Cr(NO3)3 + Br2 + KOH = K2CrO4 + KNO3 + KBr + H2O =>
2 Cr(NO3)3 + 3 Br2 + 16 KOH = 2 K2CrO4 + 6 KNO3 + 6 KBr + 8 H2O
KOH + HC2H5O2 = HC2OH + KH5O2 =>
KOH + HC2H5O2 = HC2OH + KH5O2
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
V2O5 + HCl = VCl3 + Cl2 + H2O =>
V2O5 + 10 HCl = 2 VCl3 + 2 Cl2 + 5 H2O
CeO2 + KI + HCI = KCI + CeCI + H2O + I2 =>
2 CeO2 + 6 KI + 8 HCI = 6 KCI + 2 CeCI + 4 H2O + 3 I2
CoCl3 + Pb(NO3)2 = Co(NO3)3 + PbCl2 =>
2 CoCl3 + 3 Pb(NO3)2 = 2 Co(NO3)3 + 3 PbCl2
Cl2 + SO2 + H2O = SO4{2-} + Cl{-} + H{+} =>
Cl2 + SO2 + 2 H2O = SO4{2-} + 2 Cl{-} + 4 H{+}
H2SO3 + NH4OH = SO3(NH4)2 + H2O =>
H2SO3 + 2 NH4OH = SO3(NH4)2 + 2 H2O
CaCO3(solid) + H2SO4(aqueous) = CaSO4 + CO3H2 =>
CaCO3(solid) + H2SO4(aqueous) = CaSO4 + CO3H2
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