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2 Au(s) + 6 H2SeO4(aq) = Au2(SeO4)3(aq) + 3 H2SeO3(aq) + 3 H2O(l)
Na + O2 = NaO =>
2 Na + O2 = 2 NaO
MnSO4 + NaHSO4 + H2O + Cl2 = MnO2 + NaCl + H2SO4 =>
MnSO4 + 2 NaHSO4 + 2 H2O + Cl2 = MnO2 + 2 NaCl + 3 H2SO4
HNO3 + Mg = H2O + NO2 + Mg(NO3)2 =>
4 HNO3 + Mg = 2 H2O + 2 NO2 + Mg(NO3)2
CuSo4 + Fe = Cu + Fe2(So4)3 =>
3 CuSo4 + 2 Fe = 3 Cu + Fe2(So4)3
KMnO4 + HNO2 + NaOH = K2MnO4 + NaMnO4 + KNO3 + H2O =>
5 KMnO4 + HNO2 + 3 NaOH = 2 K2MnO4 + 3 NaMnO4 + KNO3 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
Fe + S = FeS =>
Fe + S = FeS
NH4OH + HCl = NH4Cl + H2O =>
NH4OH + HCl = NH4Cl + H2O
PH3 + KMNO4 + H2SO4 = K2SO4 + MNSO4 + H3PO4 + H2O =>
5 PH3 + 8 KMNO4 + 12 H2SO4 = 4 K2SO4 + 8 MNSO4 + 5 H3PO4 + 12 H2O
Fe2(SO4)3 + KSCN = K3Fe(SCN)6 + K2SO4 =>
Fe2(SO4)3 + 12 KSCN = 2 K3Fe(SCN)6 + 3 K2SO4
NH3 + SO2 = N2 + S + H2O =>
4 NH3 + 3 SO2 = 2 N2 + 3 S + 6 H2O
CuSO4 + KOH = Cu(OH)2 + K2SO4 =>
CuSO4 + 2 KOH = Cu(OH)2 + K2SO4
NH3 + SO2 = N2 + S + H2O =>
4 NH3 + 3 SO2 = 2 N2 + 3 S + 6 H2O
Zn + HNO3 = N2O + Zn(NO3)2 + H2O =>
4 Zn + 10 HNO3 = N2O + 4 Zn(NO3)2 + 5 H2O
K2SO3 + BaCl2 = KCl + BaSO3 =>
K2SO3 + BaCl2 = 2 KCl + BaSO3
C17H21NO4 + O2 = CO2 + H2O + NO2 =>
4 C17H21NO4 + 85 O2 = 68 CO2 + 42 H2O + 4 NO2
HCOOH + HgCl2 = Hg2Cl2 + HCl + CO2 =>
HCOOH + 2 HgCl2 = Hg2Cl2 + 2 HCl + CO2
KClO3 + HI = KCl + I2 + H2O =>
KClO3 + 6 HI = KCl + 3 I2 + 3 H2O
CaCO3 + HCl = CaCl2 + H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2O + CO2
CrO3 + CH3CH2OH = Cr2O3 + CH3CHO + H2O =>
2 CrO3 + 3 CH3CH2OH = Cr2O3 + 3 CH3CHO + 3 H2O
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
KNO3 + AL + KOH + H20 = NH3 + KALO2 =>
10 KNO3 + 20 AL + 10 KOH + H20 = 10 NH3 + 20 KALO2
C + Fe = Fe3C =>
C + 3 Fe = Fe3C
KOH + Fe2(SO4)3 = Fe(OH)3 + K2SO4 =>
6 KOH + Fe2(SO4)3 = 2 Fe(OH)3 + 3 K2SO4
HNO3 + Mn = H2O + NO2 + Mn(NO3)2 =>
4 HNO3 + Mn = 2 H2O + 2 NO2 + Mn(NO3)2
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
Cr2O72{-} + CH3OH + H3O{+} = Cr3 + CH2O + H2O =>
6 Cr2O72{-} + 429 CH3OH + 6 H3O{+} = 4 Cr3 + 429 CH2O + 438 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
N2 + Fe = FeN2 =>
N2 + Fe = FeN2
H2 + Ci2 = HCi =>
H2 + Ci2 = 2 HCi
Cr2O72{-} + CH3OH + H3O{+} = Cr3 + CH2O + H2O =>
6 Cr2O72{-} + 429 CH3OH + 6 H3O{+} = 4 Cr3 + 429 CH2O + 438 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
FeSO4*7H2O + H2SO4 + H2O2 = Fe2(SO4)3 + H2O =>
2 FeSO4*7H2O + H2SO4 + H2O2 = Fe2(SO4)3 + 16 H2O
NaOH + H2S = Na2S + H2O =>
2 NaOH + H2S = Na2S + 2 H2O
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
NaHSo3 + NaOH = Na2So3 + H2O =>
NaHSo3 + NaOH = Na2So3 + H2O
Mg + H2SO4 = MgSO4 + H2S + H2O =>
4 Mg + 5 H2SO4 = 4 MgSO4 + H2S + 4 H2O
C7H14 + O2 = CO2 + H20 =>
10 C7H14 + 70 O2 = 70 CO2 + 7 H20
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
FeS2 + O2 = Fe + SO =>
FeS2 + O2 = Fe + 2 SO
SiF4 + H2O = HF + SiO2 =>
SiF4 + 2 H2O = 4 HF + SiO2
Na2 + O2 = Na2O2 =>
Na2 + O2 = Na2O2
NaCr(OH)4 + NaOH + H2O2 = Na2CrO4 + H2O =>
2 NaCr(OH)4 + 2 NaOH + 3 H2O2 = 2 Na2CrO4 + 8 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
C2H3 + O2 = CO2 + H2O =>
4 C2H3 + 11 O2 = 8 CO2 + 6 H2O
BaS + NiCl2 = NiS + BaCl2 =>
BaS + NiCl2 = NiS + BaCl2
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