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4 NO + 3 O2 + 2 H2O = 4 HNO3
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
Fe2O3(s) + C(s) = Fe(s) + CO2(g) =>
2 Fe2O3(s) + 3 C(s) = 4 Fe(s) + 3 CO2(g)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
PH3 + O2 = P2O5 + H20 =>
20 PH3 + 25 O2 = 10 P2O5 + 3 H20
Na2S2O3 + HCl = NaCl + S + SO2 + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + S + SO2 + H2O
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
B2O3 + H2O = B(OH)3 =>
B2O3 + 3 H2O = 2 B(OH)3
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
HCl + Al = AlCl + H2 =>
2 HCl + 2 Al = 2 AlCl + H2
CA(OH)2 + H3PO4 = CAHPO4 + H2O =>
CA(OH)2 + H3PO4 = CAHPO4 + 2 H2O
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
FeO + Na2SO4 = FeSO4 + Na2O =>
FeO + Na2SO4 = FeSO4 + Na2O
(NH4)6Mo7O24 + C12H22O11 = CO2 + NH3 + MoO + H2O =>
12(NH4)6Mo7O24 + 7 C12H22O11 = 84 CO2 + 72 NH3 + 84 MoO + 113 H2O
CuSO4 + NaOH = CuOH + NaSO4 =>
CuSO4 + NaOH = CuOH + NaSO4
H2S + Pb(NO3)2 = PbS + HNO3 =>
H2S + Pb(NO3)2 = PbS + 2 HNO3
CuSO4*5(H2O) = CuO + SO3 + (H2O) =>
CuSO4*5(H2O) = CuO + SO3 + 5(H2O)
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
[Co(NH3)6]Cl3 + HCl = [Co(NH3)5HCl]Cl4 + NH3 + H2 =>
2[Co(NH3)6]Cl3 + 4 HCl = 2[Co(NH3)5HCl]Cl4 + 2 NH3 + H2
H2S + Cr2O72{-} + H{+} = Cr3 + S + H2O =>
429 H2S + 6 Cr2O72{-} + 6 H{+} = 4 Cr3 + 429 S + 432 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
AL3 + CL = ALCL3 =>
AL3 + CL = ALCL3
H2S + Cr2O7{2-} + H{+} = Cr3 + S + H2O =>
18 H2S + 3 Cr2O7{2-} + 6 H{+} = 2 Cr3 + 18 S + 21 H2O
H2O + CO2 = C6H2O6 + O2 =>
2 H2O + 12 CO2 = 2 C6H2O6 + 7 O2
KOH + Li2O = LiOH + K2O =>
2 KOH + Li2O = 2 LiOH + K2O
Na + H2O = NaHO + H2 =>
2 Na + 2 H2O = 2 NaHO + H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KI + Cl = KCl + I =>
KI + Cl = KCl + I
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
K2Cr2O7 + C12H22O11 = CO2 + KCrO2 + H2O =>
8 K2Cr2O7 + C12H22O11 = 12 CO2 + 16 KCrO2 + 11 H2O
Al + HCl = AlCl + H =>
Al + HCl = AlCl + H
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
P4 + NaOH + H2O = PH3 + Na2HPO3 =>
P4 + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
AL + Br2 = ALBr2 =>
AL + Br2 = ALBr2
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Cr2(SO4)3 + Ba(NO3)2 = Cr(NO3)3 + BaSO4 =>
Cr2(SO4)3 + 3 Ba(NO3)2 = 2 Cr(NO3)3 + 3 BaSO4
Hg + S = Hg2S =>
2 Hg + S = Hg2S
NaBr + NaBrO3 + H2SO4 = Br2 + NaSO4 + H2O =>
4 NaBr + 2 NaBrO3 + 6 H2SO4 = 3 Br2 + 6 NaSO4 + 6 H2O
NaBr + NaBrO3 + H2SO4 = Br2 + Na2SO4 + H2O =>
5 NaBr + NaBrO3 + 3 H2SO4 = 3 Br2 + 3 Na2SO4 + 3 H2O
[Ag(NH3)2] + KBr = AgBr + K(NH3)2 =>
[Ag(NH3)2] + KBr = AgBr + K(NH3)2
NaBr + NaBrO3 + H2SO4 = Br2 + NaSO4 + H2O =>
4 NaBr + 2 NaBrO3 + 6 H2SO4 = 3 Br2 + 6 NaSO4 + 6 H2O
[Ag(NH3)2] + KBr = AgBr + K(NH3)2 =>
[Ag(NH3)2] + KBr = AgBr + K(NH3)2
CH3COH + Ag2O = CH3COOH + Ag =>
CH3COH + Ag2O = CH3COOH + 2 Ag
[Ag(NH3)2] + KBr = AgBr + K(NH3)2 =>
[Ag(NH3)2] + KBr = AgBr + K(NH3)2
Sb + HNO3 = Sb2O5 + NO + H2O =>
6 Sb + 10 HNO3 = 3 Sb2O5 + 10 NO + 5 H2O
KI + H3PO4 = K3PO4 + HI =>
3 KI + H3PO4 = K3PO4 + 3 HI
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