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2 I2O3 = 4 I + 3 O2
Ag + AuCl2 = AgCl + Au =>
2 Ag + AuCl2 = 2 AgCl + Au
PbO + Mg = Pb + MgO =>
PbO + Mg = Pb + MgO
KBr + MnO2 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
2 KBr + MnO2 + 2 H2SO4 = Br2 + MnSO4 + K2SO4 + 2 H2O
Cr(OH)3 + H2Se = Cr(OH)Se + H2O =>
Cr(OH)3 + H2Se = Cr(OH)Se + 2 H2O
C2H5NH2 + HBr = C2H5Br + NH3 =>
C2H5NH2 + HBr = C2H5Br + NH3
Na2B4O7 + Cr2(SO4)3 + H2O = Na3[Cr(BO2)6] + H2SO4 =>
3 Na2B4O7 + Cr2(SO4)3 + 3 H2O = 2 Na3[Cr(BO2)6] + 3 H2SO4
P2O5 + NaOH = NaPO3 + H2O =>
P2O5 + 2 NaOH = 2 NaPO3 + H2O
C2H5NH2 + HBr = C2H5Br + NH3 =>
C2H5NH2 + HBr = C2H5Br + NH3
Na2B4O7 + Cr2(SO4)3 + H2O = Na3[Cr(BO2)6] + H2SO4 =>
3 Na2B4O7 + Cr2(SO4)3 + 3 H2O = 2 Na3[Cr(BO2)6] + 3 H2SO4
Fe2(SO4)3 + KSCN = Fe(SCN)3 + K + SO4 =>
Fe2(SO4)3 + 6 KSCN = 2 Fe(SCN)3 + 6 K + 3 SO4
Na2B4O7 + Cr2(SO4)3 + H2O = Na3[Cr(BO2)6] + H2SO4 =>
3 Na2B4O7 + Cr2(SO4)3 + 3 H2O = 2 Na3[Cr(BO2)6] + 3 H2SO4
KClO3 + NH3 = KCl + KNO3 + Cl2 + H2O =>
3 KClO3 + 2 NH3 = KCl + 2 KNO3 + Cl2 + 3 H2O
Cu4(NO3)8 + K6(OH)6 = Cu(OH)2 + KNO3 =>
3 Cu4(NO3)8 + 4 K6(OH)6 = 12 Cu(OH)2 + 24 KNO3
NaHCO2 + CH3COOH = NaCH3COOH + H2O + CO2 =>
8 NaHCO2 + 7 CH3COOH = 8 NaCH3COOH + 2 H2O + 6 CO2
CO2S3 = CO2 + S =>
CO2S3 = CO2 + 3 S
Na2B4O7 + Cr2(SO4)3 + H2O = Na3[Cr(BO2)6] + H2SO4 =>
3 Na2B4O7 + Cr2(SO4)3 + 3 H2O = 2 Na3[Cr(BO2)6] + 3 H2SO4
CH3CH2OH + O2 = H2O + (CH3COOH) =>
CH3CH2OH + O2 = H2O + (CH3COOH)
SbH3 + Cl2 + KOH = K3SbO4 + KCl + H2O =>
SbH3 + 4 Cl2 + 11 KOH = K3SbO4 + 8 KCl + 7 H2O
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
C6H5CO2H + NaOH = NaC6H5CO2 + H2O =>
C6H5CO2H + NaOH = NaC6H5CO2 + H2O
Na2B4O7 + Cr2(SO4)3 + H2O = Na3[Cr(BO2)6] + H2SO4 =>
3 Na2B4O7 + Cr2(SO4)3 + 3 H2O = 2 Na3[Cr(BO2)6] + 3 H2SO4
HBr + K2Cr2O7 = CrBr3 + KBr + Br2 + H2O =>
14 HBr + K2Cr2O7 = 2 CrBr3 + 2 KBr + 3 Br2 + 7 H2O
Rb + HOH = Rb(OH) + H2 =>
2 Rb + 2 HOH = 2 Rb(OH) + H2
Na2S2O5 + H2O = NaHSO3 =>
Na2S2O5 + H2O = 2 NaHSO3
Cu + NHO3 = Cu(NO3)2 + N2O3 + H2O =>
2 Cu + 6 NHO3 = 2 Cu(NO3)2 + N2O3 + 3 H2O
PbCrO4 + H3O = Cr2O7 + Pb + H2O =>
2 PbCrO4 + 2 H3O = Cr2O7 + 2 Pb + 3 H2O
Sn + Pb(NO3)2 = Pb + Sn(NO3)4 =>
Sn + 2 Pb(NO3)2 = 2 Pb + Sn(NO3)4
HNO3 + SO2 + H2O = HSO3 + N2O =>
2 HNO3 + 8 SO2 + 3 H2O = 8 HSO3 + N2O
HCl + NH2CH2CH2NH2 = HNH2CH2CH2NH2 + Cl =>
HCl + NH2CH2CH2NH2 = HNH2CH2CH2NH2 + Cl
COCl2 + H2O = HCl + CO2(g) =>
COCl2 + H2O = 2 HCl + CO2(g)
KMnO4 + HNO2 + H2SO4 = Mn2SO4 + K2(SO4) + HNO3 + H2O =>
2 KMnO4 + 6 HNO2 + 2 H2SO4 = Mn2SO4 + K2(SO4) + 6 HNO3 + 2 H2O
CaCl2 + Na2Cr2O7 + H3AsO4 = Cr3(AsO4)2 + Ca3(AsO4)2 + Na3AsO4 + Cl2 + H2O =>
12 CaCl2 + 3 Na2Cr2O7 + 14 H3AsO4 = 2 Cr3(AsO4)2 + 4 Ca3(AsO4)2 + 2 Na3AsO4 + 12 Cl2 + 21 H2O
Mg + K2(CO3) = K + Mg2(CO3) =>
2 Mg + K2(CO3) = 2 K + Mg2(CO3)
Ca3(PO4)2 + C + SiO2 = P4 + CaSiO3 + CO =>
2 Ca3(PO4)2 + 10 C + 6 SiO2 = P4 + 6 CaSiO3 + 10 CO
Zn + BaO = ZnO + Ba =>
Zn + BaO = ZnO + Ba
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
NaOH + CuCl2 = CuNa2 + ClOH =>
2 NaOH + CuCl2 = CuNa2 + 2 ClOH
CH3 + Cl2 = CH2Cl2 + HCl =>
2 CH3 + 3 Cl2 = 2 CH2Cl2 + 2 HCl
As2S3 + MnO4{-} + H{+} = AsO43{-} + Mn2 + SO42{-} + H2O =>
14 As2S3 + 838 MnO4{-} + 768 H{+} = 28 AsO43{-} + 419 Mn2 + 42 SO42{-} + 384 H2O
(NH4)2(SO4) + Ba(NO3)2 = BaSO4 + (NH4)(NO3) =>
(NH4)2(SO4) + Ba(NO3)2 = BaSO4 + 2(NH4)(NO3)
Cr + HNO3 = Cr(NO3)2 + NO + H2O =>
3 Cr + 8 HNO3 = 3 Cr(NO3)2 + 2 NO + 4 H2O
Fe + N2 = Fe3N2 =>
3 Fe + N2 = Fe3N2
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Hg2(NO3)2 + HCl = HgCl2 + H2O + NO2 =>
Hg2(NO3)2 + 4 HCl = 2 HgCl2 + 2 H2O + 2 NO2
C9H2O + O2 = H2O + CO2 =>
C9H2O + 9 O2 = H2O + 9 CO2
Cr + HNO3 = Cr(NO3)2 + NO + H2O =>
3 Cr + 8 HNO3 = 3 Cr(NO3)2 + 2 NO + 4 H2O
Cr2O3 + KOH + Br2 = KBr + KCrO4 + H2O =>
Cr2O3 + 10 KOH + 4 Br2 = 8 KBr + 2 KCrO4 + 5 H2O
H2C4H4O4 + H2O = HC4H4O4 + H3O =>
H2C4H4O4 + H2O = HC4H4O4 + H3O
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
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