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Bi + 4 HNO3 = Bi(NO3)3 + NO + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
K2CR2O7 + H20 + S = SO2 + KOH + CR2O3 =>
10 K2CR2O7 + H20 + 10 S = 10 SO2 + 20 KOH + 10 CR2O3
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
NO = N20 + NO2 =>
40 NO = N20 + 20 NO2
H2SO4 + Fe = Fe2(SO4)3 + H2 =>
3 H2SO4 + 2 Fe = Fe2(SO4)3 + 3 H2
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
GaF3 + Cs = CsF + Ga =>
GaF3 + 3 Cs = 3 CsF + Ga
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mg + H2(SO4)2 = H2 + MgSO4 =>
2 Mg + H2(SO4)2 = H2 + 2 MgSO4
Mg3N2 + H2O = MgO + NH3 =>
Mg3N2 + 3 H2O = 3 MgO + 2 NH3
FeSo4 + Zn = ZnSo4 + Fe =>
FeSo4 + Zn = ZnSo4 + Fe
Fe + O2 = FeO2 =>
Fe + O2 = FeO2
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
Mg + H2(SO4)2 = H2S + MgSO4 + H2O =>
9 Mg + 5 H2(SO4)2 = H2S + 9 MgSO4 + 4 H2O
NH3 + NO2 = N2O + H20 =>
60 NH3 + 20 NO2 = 40 N2O + 9 H20
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
Pb(NO3)2 + AlCl3 = PbCl2 + Al(NO3)3 =>
3 Pb(NO3)2 + 2 AlCl3 = 3 PbCl2 + 2 Al(NO3)3
Al + HCl = H2 + AlCl3 =>
2 Al + 6 HCl = 3 H2 + 2 AlCl3
Fe3O4 + CO = CO2 + Fe =>
Fe3O4 + 4 CO = 4 CO2 + 3 Fe
NH4Cl + Ba(OH)2 = BaCl2 + NH3 + H2O =>
2 NH4Cl + Ba(OH)2 = BaCl2 + 2 NH3 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HCl(aq) + Na2CO3(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
2 HCl(aq) + Na2CO3(aq) = 2 NaCl(aq) + H2O(l) + CO2(g)
O2 + H2 = H2O =>
O2 + 2 H2 = 2 H2O
C + O2 = CO =>
2 C + O2 = 2 CO
KMnO4 + K2S + H20 = MnO2 + S + KOH =>
10 KMnO4 + 5 K2S + H20 = 10 MnO2 + 5 S + 20 KOH
CrCl3 + NH3 + H2O = Cr(OH)3 + NH4Cl =>
CrCl3 + 3 NH3 + 3 H2O = Cr(OH)3 + 3 NH4Cl
BEO + CO2 = BECO3 =>
BEO + CO2 = BECO3
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
HCL(aq) + NaHCO3(s) = NaCL(aq) + CO2(g) + H2O(l) =>
HCL(aq) + NaHCO3(s) = NaCL(aq) + CO2(g) + H2O(l)
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
PbO2 + HCl = PbCl2 + H2O + Cl2 =>
PbO2 + 4 HCl = PbCl2 + 2 H2O + Cl2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
As2S5 + HNO3 = H3AsO4 + HSO4 + NO2 + H2O =>
As2S5 + 45 HNO3 = 2 H3AsO4 + 5 HSO4 + 45 NO2 + 17 H2O
Na + HF = NaF + H2 =>
2 Na + 2 HF = 2 NaF + H2
K2Cr2O7 + SO2 + H2So4 = Cr2(SO4)3 + K2So4 + H2O =>
K2Cr2O7 + 3 SO2 + H2So4 = Cr2(SO4)3 + K2So4 + H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
SiO2 + NaOH = Na2SiO3 + H2O =>
SiO2 + 2 NaOH = Na2SiO3 + H2O
NaHCO3 = Na2O + H2O + CO2 =>
2 NaHCO3 = Na2O + H2O + 2 CO2
AgCl + NH4OH = Ag(NH3)2Cl + H2O =>
AgCl + 2 NH4OH = Ag(NH3)2Cl + 2 H2O
CU + HCl = CUCl2 + H2 =>
CU + 2 HCl = CUCl2 + H2
Fe + Cl2 = FeCl =>
2 Fe + Cl2 = 2 FeCl
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KOH + Cl2 = KClO3 + KCl + H20 =>
60 KOH + 30 Cl2 = 20 KClO3 + 40 KCl + 3 H20
NaNO2 + H2SO4 = NaHSO4 + HNO3 + NO + H2O =>
3 NaNO2 + 3 H2SO4 = 3 NaHSO4 + HNO3 + 2 NO + H2O
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