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Fe2O3 + 3 C = 3 CO + 2 Fe
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
ZnSO4 + H3PO4 = ZnPO4 + H3SO4 =>
ZnSO4 + H3PO4 = ZnPO4 + H3SO4
HCl + K2CO3 = KCl + H2O + CO2 =>
2 HCl + K2CO3 = 2 KCl + H2O + CO2
PbO + NH3 = Pb + N2 + H2O =>
3 PbO + 2 NH3 = 3 Pb + N2 + 3 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
C4H9 + O2 = CO2 + H2O =>
4 C4H9 + 25 O2 = 16 CO2 + 18 H2O
SiO2 + H = Si + H2O =>
SiO2 + 4 H = Si + 2 H2O
K + Cl = KCl =>
K + Cl = KCl
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
P4 + O2 = PO5 =>
P4 + 10 O2 = 4 PO5
AgCl + NH3 = Ag(NH3)2 + Cl =>
AgCl + 2 NH3 = Ag(NH3)2 + Cl
Pb + O2 = Pb3O4 =>
3 Pb + 2 O2 = Pb3O4
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Mg3N2 + HOH = Mg(OH)2 + H3N =>
Mg3N2 + 6 HOH = 3 Mg(OH)2 + 2 H3N
P2O3 + H2O = H3PO3 =>
P2O3 + 3 H2O = 2 H3PO3
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
OF2 + H2O = O2 + HF =>
OF2 + H2O = O2 + 2 HF
H2 + Na + N2 = (NH4)5NaH6 =>
26 H2 + 2 Na + 5 N2 = 2(NH4)5NaH6
Cr2O3 + C = Cr + CO =>
Cr2O3 + 3 C = 2 Cr + 3 CO
OF2 + H2O = O2 + HF =>
OF2 + H2O = O2 + 2 HF
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
LiOH + Fe(NO3)3 = LiNO3 + Fe(OH)3 =>
3 LiOH + Fe(NO3)3 = 3 LiNO3 + Fe(OH)3
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
LiOH + Fe(NO3)3 = LiNO3 + Fe(OH)3 =>
3 LiOH + Fe(NO3)3 = 3 LiNO3 + Fe(OH)3
Fe2S3 + O2 = Fe2O3 + SO2 =>
2 Fe2S3 + 9 O2 = 2 Fe2O3 + 6 SO2
Sn + Al{3+} = Sn{2+} + Al =>
3 Sn + 2 Al{3+} = 3 Sn{2+} + 2 Al
FeS + O = FeO + SO2 =>
FeS + 3 O = FeO + SO2
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
KL + Pb(NO3)2 = KNO3 + PbL2 =>
2 KL + Pb(NO3)2 = 2 KNO3 + PbL2
Sr + HBr = SrBr2 + H2 =>
Sr + 2 HBr = SrBr2 + H2
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HgCl2 + KI = HgI2 + KCl =>
HgCl2 + 2 KI = HgI2 + 2 KCl
Al + HgCl2 = AlCl3 + Hg =>
2 Al + 3 HgCl2 = 2 AlCl3 + 3 Hg
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
Na + KNO3 = K2O + Na2O + N2 =>
10 Na + 2 KNO3 = K2O + 5 Na2O + N2
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