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5 SO2 + 2 K3Cr2O7 + 4 H2SO4 = 3 K2SO4 + 2 Cr2(SO4)3 + 4 H2O
C2H2 + HNO3 = C2H4(NO3)2 =>
C2H2 + 2 HNO3 = C2H4(NO3)2
CuSO3 + Fe = FeSO3 + Cu =>
CuSO3 + Fe = FeSO3 + Cu
KMnO4 + Al = AlMnO4 + K =>
KMnO4 + Al = AlMnO4 + K
Cr + Br = CrBr =>
Cr + Br = CrBr
CH3COONa + KCl = KCH3COONa + Cl =>
CH3COONa + KCl = KCH3COONa + Cl
AlBr3 + H3PO4 = AlPO4 + H3Br3 =>
AlBr3 + H3PO4 = AlPO4 + H3Br3
NH4Cl + H2O = NH4OH + HCl =>
NH4Cl + H2O = NH4OH + HCl
KClO3 + H2C2O4 = K2CO3 + ClO2 + CO2 + H2O =>
2 KClO3 + H2C2O4 = K2CO3 + 2 ClO2 + CO2 + H2O
SO3{-2} + OH{-} + Cl2 = SO4{-2} + Cl{-} + H2O =>
SO3{-2} + 2 OH{-} + Cl2 = SO4{-2} + 2 Cl{-} + H2O
C6H5NH2 + Br2 = C6H2Br3NH2 + HBr =>
C6H5NH2 + 3 Br2 = C6H2Br3NH2 + 3 HBr
Cu(SO4) + KI = CuI + K(SO4) =>
Cu(SO4) + KI = CuI + K(SO4)
N2 + H2O = H2O2 + N2H4 =>
N2 + 4 H2O = 2 H2O2 + N2H4
Al = Al{+3} + e =>
Al = Al{+3} + 3e
C2H4 + KMnO4 = MnO2 + KOH + K2C2O4 + H2O =>
3 C2H4 + 10 KMnO4 = 10 MnO2 + 4 KOH + 3 K2C2O4 + 4 H2O
Cr + OH = Cr(OH)4 =>
Cr + 4 OH = Cr(OH)4
Pb(CH3COO)2 + Na2S + CaCl2 = PbS2 + Ca(CH3COO) + NaCl =>
Pb(CH3COO)2 + 2 Na2S + 2 CaCl2 = PbS2 + 2 Ca(CH3COO) + 4 NaCl
K2SO4 + PbCO3 = PbSO4 + K2CO3 =>
K2SO4 + PbCO3 = PbSO4 + K2CO3
Cu + Fe2(SO4)3 = Cu2SO4 + Fe =>
6 Cu + Fe2(SO4)3 = 3 Cu2SO4 + 2 Fe
Mn(NO3)2 + Na2SO4 = Mn2(SO4)2 + NaNO3 =>
2 Mn(NO3)2 + 2 Na2SO4 = Mn2(SO4)2 + 4 NaNO3
Fe(OH)3 + KSCN = FeSCN + K + OH =>
Fe(OH)3 + KSCN = FeSCN + K + 3 OH
AlO2 = Al + O =>
AlO2 = Al + 2 O
Cl2 + NaI + OH{-} = IO3{-} + Na{+} + Cl{-} + H2O =>
3 Cl2 + NaI + 6 OH{-} = IO3{-} + Na{+} + 6 Cl{-} + 3 H2O
Ni2O3 + C = Ni + CO2 =>
2 Ni2O3 + 3 C = 4 Ni + 3 CO2
C9H20(g) + O2(g) = CO2(g) + H20(g) =>
C9H20(g) + 9 O2(g) = 9 CO2(g) + H20(g)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KI + H2SO4 + HMnO4 = I2 + MnSO4 + K2SO4 + H2O =>
10 KI + 7 H2SO4 + 2 HMnO4 = 5 I2 + 2 MnSO4 + 5 K2SO4 + 8 H2O
CH3CH2OH + Cr2O7{-2} + H{+} = CH3CHO + Cr{3+} + H2O =>
3 CH3CH2OH + Cr2O7{-2} + 8 H{+} = 3 CH3CHO + 2 Cr{3+} + 7 H2O
Cu(C2H3O2)2 + Fe = Fe(C2H3O2)3 + Cu =>
3 Cu(C2H3O2)2 + 2 Fe = 2 Fe(C2H3O2)3 + 3 Cu
Ti + C = TiC =>
Ti + C = TiC
KMnO4 + Al + H2SO4 = K2SO4 + Al(MnO4)3 + H2 =>
6 KMnO4 + 2 Al + 3 H2SO4 = 3 K2SO4 + 2 Al(MnO4)3 + 3 H2
MgSO5H2 = MgSO4 + H2O =>
MgSO5H2 = MgSO4 + H2O
C + NHO3 = N2 + CO2 + H2O =>
5 C + 4 NHO3 = 2 N2 + 5 CO2 + 2 H2O
ZnI2 + K2CO3 = ZnCO3 + KI =>
ZnI2 + K2CO3 = ZnCO3 + 2 KI
Fe3O4 + H2O = Fe2O3 + H2 =>
2 Fe3O4 + H2O = 3 Fe2O3 + H2
Cr(OH)3 + KOH + PbO2 = K2CrO4 + K2PbO2 + H2O =>
2 Cr(OH)3 + 10 KOH + 3 PbO2 = 2 K2CrO4 + 3 K2PbO2 + 8 H2O
NaHCO3 + H2O2 = CO2 + H2O + NaO =>
2 NaHCO3 + H2O2 = 2 CO2 + 2 H2O + 2 NaO
MgCO3 + H2S = MgS + H2O + CO2 =>
MgCO3 + H2S = MgS + H2O + CO2
NaOH(aq) + H2S(aq) = Na2S(aq) + H2O(l) =>
2 NaOH(aq) + H2S(aq) = Na2S(aq) + 2 H2O(l)
Na2FeO4 + MnSO4 + H2SO4 = Fe2(SO4)3 + NaMnO4 + Na2SO4 + H2O =>
10 Na2FeO4 + 6 MnSO4 + 16 H2SO4 = 5 Fe2(SO4)3 + 6 NaMnO4 + 7 Na2SO4 + 16 H2O
SO3{-2} + H2O = SO4{-2} + H{+} + e =>
SO3{-2} + H2O = SO4{-2} + 2 H{+} + 2e
K2CO3(aq) + Ba(NO3)2(aq) = K2(NO3)2 + BaCO3 =>
K2CO3(aq) + Ba(NO3)2(aq) = K2(NO3)2 + BaCO3
Co(s) + O2(g) = Co3O4(s) =>
3 Co(s) + 2 O2(g) = Co3O4(s)
C2H4N4O2 = CO + N2 + NH3 =>
3 C2H4N4O2 = 6 CO + 4 N2 + 4 NH3
Li2SO3 = Li2SO4 + Li2S =>
4 Li2SO3 = 3 Li2SO4 + Li2S
Al2S3 + NaOH = Na[Al(OH)4] + Na2S =>
Al2S3 + 8 NaOH = 2 Na[Al(OH)4] + 3 Na2S
HSO3{-} + Cr2O7{2-} + H{+} = HSO4{-} + Cr{3+} + H2O =>
3 HSO3{-} + Cr2O7{2-} + 8 H{+} = 3 HSO4{-} + 2 Cr{3+} + 4 H2O
Mn(NO3)2 + NaOH + H2O2 = MnO(OH)2 + NaNO3 + H2O =>
Mn(NO3)2 + 2 NaOH + H2O2 = MnO(OH)2 + 2 NaNO3 + H2O
Fe(SCN)3 + KF = FeF3 + KSCN =>
Fe(SCN)3 + 3 KF = FeF3 + 3 KSCN
H + N2O3 = H2O + N =>
6 H + N2O3 = 3 H2O + 2 N
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