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Mg + 2 H2SO4 = MgSO4 + SO2 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KIO3 + H2SO3 = K2SO4 + H2SO4 + I2 + H2O =>
2 KIO3 + 5 H2SO3 = K2SO4 + 4 H2SO4 + I2 + H2O
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
Fe3O4 + HNO3 = Fe(NO3)3 + H2O + N2O =>
8 Fe3O4 + 74 HNO3 = 24 Fe(NO3)3 + 37 H2O + N2O
NaHCO3 + C2H4O2 = C2H3O2Na + H2O + CO2 =>
NaHCO3 + C2H4O2 = C2H3O2Na + H2O + CO2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
FeS + HNO3 = Fe(NO3)3 + Fe2(SO4)3 + NO + H2O =>
3 FeS + 12 HNO3 = Fe(NO3)3 + Fe2(SO4)3 + 9 NO + 6 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Pb{2+} + Cl{-} = PbCl2 =>
Pb{2+} + 2 Cl{-} = PbCl2
KI + K2Cr2O7 + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 KI + K2Cr2O7 + 7 H2SO4 = 3 I2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
K2Cr2O7 + HBr = Br2 + CrBr3 + KBr + H2O =>
K2Cr2O7 + 14 HBr = 3 Br2 + 2 CrBr3 + 2 KBr + 7 H2O
H{+} + CO3{2-} = H2O + CO2 =>
2 H{+} + CO3{2-} = H2O + CO2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
FeCl2 + H2SO4 = Fe2(SO4)3 + Cl2 + SO2 + H2O =>
2 FeCl2 + 6 H2SO4 = Fe2(SO4)3 + 2 Cl2 + 3 SO2 + 6 H2O
HCl + Ba(HO)2 = BaCl2 + H2O =>
2 HCl + Ba(HO)2 = BaCl2 + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cu2SFeS2 + HNO3 = CuSO4 + Cu(NO3)2 + Fe2(SO4)3 + NO2 + H2O =>
2 Cu2SFeS2 + 52 HNO3 = 3 CuSO4 + Cu(NO3)2 + Fe2(SO4)3 + 50 NO2 + 26 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu2SFeS2 + HNO3 = CuSO4 + Cu(NO3)2 + Fe2(SO4)3 + NO2 + H2O =>
2 Cu2SFeS2 + 52 HNO3 = 3 CuSO4 + Cu(NO3)2 + Fe2(SO4)3 + 50 NO2 + 26 H2O
C6H10 + Na2Cr2O7 + H2SO4 = C6H10O4 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C6H10 + 4 Na2Cr2O7 + 16 H2SO4 = 3 C6H10O4 + 4 Cr2(SO4)3 + 4 Na2SO4 + 16 H2O
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
C6H5OH + CH3COOH = CH3COOC6H5 + H2O =>
C6H5OH + CH3COOH = CH3COOC6H5 + H2O
K2MnO4 + H2O = KMnO4 + MnO2 + KOH =>
3 K2MnO4 + 2 H2O = 2 KMnO4 + MnO2 + 4 KOH
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cd + HCl = CdCl2 + H2 =>
Cd + 2 HCl = CdCl2 + H2
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
NaCl + H2SO4 = HCl + Na2SO4 =>
2 NaCl + H2SO4 = 2 HCl + Na2SO4
AGNO3 + KCL = AGCL + KNO3 =>
AGNO3 + KCL = AGCL + KNO3
CrO = Cr2O3 + Cr =>
3 CrO = Cr2O3 + Cr
CuCl = Cu + CuCl2 =>
2 CuCl = Cu + CuCl2
Fe + AgNO3 = Fe(NO3)2 + Ag =>
Fe + 2 AgNO3 = Fe(NO3)2 + 2 Ag
HIO = HIO3 + I2 + H2O =>
5 HIO = HIO3 + 2 I2 + 2 H2O
K2Cr2O7 + SO2 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 3 SO2 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O
HNO3 + Ca(OH)2 = Ca(NO3)2 + H2O =>
2 HNO3 + Ca(OH)2 = Ca(NO3)2 + 2 H2O
I2 + NaOH = NaI + NaIO + H2O =>
I2 + 2 NaOH = NaI + NaIO + H2O
I2 + NaOH = NaI + NaIO3 + H2O =>
3 I2 + 6 NaOH = 5 NaI + NaIO3 + 3 H2O
CH4 + Cl2 = CH3Cl + H2 =>
2 CH4 + Cl2 = 2 CH3Cl + H2
NaClO = NaCl + NaClO3 =>
3 NaClO = 2 NaCl + NaClO3
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Cl2O = Cl2 + ClO2 =>
4 Cl2O = 3 Cl2 + 2 ClO2
K2Cr2O7 + H + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 6 H + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 7 H2O
ClO2 = ClO3 + Cl2 =>
6 ClO2 = 4 ClO3 + Cl2
C6H12O6 + HNO3 = CO2 + H2O + N2 =>
5 C6H12O6 + 24 HNO3 = 30 CO2 + 42 H2O + 12 N2
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