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4 H3PO3 = 3 H3PO4 + PH3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Rb + P = Rb3P =>
3 Rb + P = Rb3P
Fe(SCN)3 + NaF = Na(SCN)3 + FeF =>
Fe(SCN)3 + NaF = Na(SCN)3 + FeF
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
N2O + H2 = H2O + NH3 =>
N2O + 4 H2 = H2O + 2 NH3
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
O2 = O3 =>
3 O2 = 2 O3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
K + KNO3 = N2 + K2O =>
10 K + 2 KNO3 = N2 + 6 K2O
I2 + HNO3 = HIO3 + NO2 + H2 =>
I2 + 6 HNO3 = 2 HIO3 + 6 NO2 + 2 H2
Si + S8 = Si2S4 =>
4 Si + S8 = 2 Si2S4
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Fe2O3 + S = Fe + SO2 =>
2 Fe2O3 + 3 S = 4 Fe + 3 SO2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H2C2O4 + NaOH = Na2C2O4 + H2O =>
H2C2O4 + 2 NaOH = Na2C2O4 + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Ca(OH)2 + H3PO4 = Ca(H2PO4)2 + H2O =>
Ca(OH)2 + 2 H3PO4 = Ca(H2PO4)2 + 2 H2O
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CH4 + O2 = H20 + CO =>
10 CH4 + 5 O2 = 2 H20 + 10 CO
CO2 + Mg(OH)2 = MgCO3 + H2O =>
CO2 + Mg(OH)2 = MgCO3 + H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
BaO + H2SO4 = BaSO4 + H2O =>
BaO + H2SO4 = BaSO4 + H2O
Fe + H2So4 = Fe2(So4)3 + H2 =>
2 Fe + 3 H2So4 = Fe2(So4)3 + 3 H2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Ba(OH)2 + H3PO4 = Ba3(PO4)2 + H2O =>
3 Ba(OH)2 + 2 H3PO4 = Ba3(PO4)2 + 6 H2O
AgNO3 + CaCl2 = AgCl2 + CaNO3 =>
AgNO3 + CaCl2 = AgCl2 + CaNO3
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
CH2CHOH + Br2 = CH2CHBrOH =>
2 CH2CHOH + Br2 = 2 CH2CHBrOH
CH2CHOH + Br2 = CH2BrCHBrOH =>
CH2CHOH + Br2 = CH2BrCHBrOH
KClO3 + HBr = Br2 + H2O + KCl =>
KClO3 + 6 HBr = 3 Br2 + 3 H2O + KCl
Na2B4O7 + H2SO4 + H2O = H3BO3 + Na2SO4 =>
Na2B4O7 + H2SO4 + 5 H2O = 4 H3BO3 + Na2SO4
O2 + SO2 + H2O = H2SO4 =>
O2 + 2 SO2 + 2 H2O = 2 H2SO4
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
Al + NaOH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAlO2 + 3 H2
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
Pb + HCl = PbCl2 + H =>
Pb + 2 HCl = PbCl2 + 2 H
CaCO3 + SiO2 = CaSiO3 + CO2 =>
CaCO3 + SiO2 = CaSiO3 + CO2
HNO3 + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
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