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12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
KMnO4 + NH3 + KOH = K2MnO4 + KNO3 + H2O =>
8 KMnO4 + NH3 + 9 KOH = 8 K2MnO4 + KNO3 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
K2Cr2O7 + H2SO4 + C2H5OH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Cr(OH)3 + H2SO4 = Cr2(SO4)3 + H2O =>
2 Cr(OH)3 + 3 H2SO4 = Cr2(SO4)3 + 6 H2O
KMnO4 + NH3 + KOH = K2MnO4 + N2 + H2O =>
6 KMnO4 + 2 NH3 + 6 KOH = 6 K2MnO4 + N2 + 6 H2O
Mg + HCl = MgCl + H =>
Mg + HCl = MgCl + H
Fe + HCl = FeCl + H2 =>
2 Fe + 2 HCl = 2 FeCl + H2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
SrI2 + AgNO3 = AgI + Sr(NO3)2 =>
SrI2 + 2 AgNO3 = 2 AgI + Sr(NO3)2
Zn + MgCl2 = ZnCl + Mg =>
2 Zn + MgCl2 = 2 ZnCl + Mg
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
PH3 + O2 = P2O5 + H2O =>
2 PH3 + 4 O2 = P2O5 + 3 H2O
PbS + H2O2 = PbSO4 + H2O =>
PbS + 4 H2O2 = PbSO4 + 4 H2O
Na + Cl = NaCl =>
Na + Cl = NaCl
BaO2 + H2SO4 = BaSO4 + H2O2 =>
BaO2 + H2SO4 = BaSO4 + H2O2
Ca(OH)2 + Al2(SO4)3 = Al(OH)3 + CaSO4 =>
3 Ca(OH)2 + Al2(SO4)3 = 2 Al(OH)3 + 3 CaSO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HBr + HNO3 = Br2 + NO + H2O =>
6 HBr + 2 HNO3 = 3 Br2 + 2 NO + 4 H2O
S + Al = Al2S3 =>
3 S + 2 Al = Al2S3
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
P2O3 + O2 = P2O5 =>
P2O3 + O2 = P2O5
I2 + H2 = HI =>
I2 + H2 = 2 HI
K2S + CaCl2 = KCl + CaS =>
K2S + CaCl2 = 2 KCl + CaS
Ag + O2 = Ag2O =>
4 Ag + O2 = 2 Ag2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
C3H5N3O9 = N2 + CO2 + O2 + H2O =>
4 C3H5N3O9 = 6 N2 + 12 CO2 + O2 + 10 H2O
NaCl + SO2 + H2O + O2 = Na2SO4 + HCl =>
4 NaCl + 2 SO2 + 2 H2O + O2 = 2 Na2SO4 + 4 HCl
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
(NH4)3AsS4 + HCl = As2S5 + H2S + NH4Cl =>
2(NH4)3AsS4 + 6 HCl = As2S5 + 3 H2S + 6 NH4Cl
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
CaCl2 + K2SO4 = KCl + CaSO4 =>
CaCl2 + K2SO4 = 2 KCl + CaSO4
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Fe(NO3)3 + NaCl = FeCl3 + NaNO3 =>
Fe(NO3)3 + 3 NaCl = FeCl3 + 3 NaNO3
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
S + HNO3 = NO2 + SO2 + H20 =>
10 S + 20 HNO3 = 20 NO2 + 10 SO2 + H20
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
S + HNO3 = NO2 + SO2 + H2O =>
S + 4 HNO3 = 4 NO2 + SO2 + 2 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HI + Fe(OH)2 = FeI2 + H2O =>
2 HI + Fe(OH)2 = FeI2 + 2 H2O
HC2H3O2 + H2O = CH3COO + H3O =>
HC2H3O2 + H2O = CH3COO + H3O
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
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