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2 Al + 3 H2SO4 = 3 H2 + Al2(SO4)3
NaClO + HCl = NaCl + H2O + Cl2 =>
NaClO + 2 HCl = NaCl + H2O + Cl2
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
KOH + HNO3 = KNO3 + H2O =>
KOH + HNO3 = KNO3 + H2O
FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
Na + H2O = NaOH + H20 =>
20 Na + 20 H2O = 20 NaOH + H20
Cd(NO3)2 + (NH4)2S = CdS + NH4NO3 =>
Cd(NO3)2 + (NH4)2S = CdS + 2 NH4NO3
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Co + F2 = CoF3 =>
2 Co + 3 F2 = 2 CoF3
Ca(OH)2 + NH4Cl = NH3 + CaCl2 + H2O =>
Ca(OH)2 + 2 NH4Cl = 2 NH3 + CaCl2 + 2 H2O
HCIO3 + H2SO3 = HCI + H2SO4 =>
HCIO3 + 3 H2SO3 = HCI + 3 H2SO4
CH3OH + O2 = CO2 + H20 =>
10 CH3OH + 5 O2 = 10 CO2 + 2 H20
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Na2SnO2 + Bi(OH)3 = Bi + Na2SnO3 + H20 =>
60 Na2SnO2 + 20 Bi(OH)3 = 20 Bi + 60 Na2SnO3 + 3 H20
MgO + Na2CO3 = MgCO3 + Na2O =>
MgO + Na2CO3 = MgCO3 + Na2O
PbSO4 + NH3 = PbNH3 + SO4 =>
PbSO4 + NH3 = PbNH3 + SO4
HCl + Al(OH)3 = AlCl3 + H2O =>
3 HCl + Al(OH)3 = AlCl3 + 3 H2O
H2SO4 + KI + KMnO4 = I2 + H2O + MnSO4 + K2SO4 =>
8 H2SO4 + 10 KI + 2 KMnO4 = 5 I2 + 8 H2O + 2 MnSO4 + 6 K2SO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Na2S + NH3 = SNH3 + Na2 =>
Na2S + NH3 = SNH3 + Na2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
PbO + Na2CO3 = PbCO3 + Na2O =>
PbO + Na2CO3 = PbCO3 + Na2O
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
BaO + Na2CO3 = BaCO3 + Na2O =>
BaO + Na2CO3 = BaCO3 + Na2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Pb(OCN)2 + H2O + NH3 = CN2H4O + Pb(OH)2 =>
Pb(OCN)2 + 2 H2O + 2 NH3 = 2 CN2H4O + Pb(OH)2
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
K2Cr2O7 + HNO3 + KI = Cr(NO3)3 + I2 + KNO3 + H2O =>
K2Cr2O7 + 14 HNO3 + 6 KI = 2 Cr(NO3)3 + 3 I2 + 8 KNO3 + 7 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Al(OH)3 + NH3 = Al(NH3) + OH =>
Al(OH)3 + NH3 = Al(NH3) + 3 OH
NaF + Ca(C2H3O2)2 = NaC2H3O2 + CaF2 =>
2 NaF + Ca(C2H3O2)2 = 2 NaC2H3O2 + CaF2
MnO4{-} + H{+} = Mn{2+} + H2O + MnO4 =>
6 MnO4{-} + 8 H{+} = Mn{2+} + 4 H2O + 5 MnO4
BaCl2 + Na3PO4 = Ba3(PO4)2 + NaCl =>
3 BaCl2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaCl
NaNO2 + KMnO4 + KOH = NaNO3 + K2MnO4 + H2O =>
NaNO2 + 2 KMnO4 + 2 KOH = NaNO3 + 2 K2MnO4 + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
MnO4{2-} + H{+} = MnO4{-} + Mn{2+} + H2O =>
5 MnO4{2-} + 8 H{+} = 4 MnO4{-} + Mn{2+} + 4 H2O
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
CH3OH + O = CO2 + H2O =>
CH3OH + 3 O = CO2 + 2 H2O
AgOH + NH3 = Ag(NH3) + OH =>
AgOH + NH3 = Ag(NH3) + OH
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
K + MgBr = KBr + Mg =>
K + MgBr = KBr + Mg
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
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