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4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
[FeS2] + [NO3]{-} + H{+} = [SO4]{2-} + NO + H2O + Fe{3+} =>
[FeS2] + 5[NO3]{-} + 4 H{+} = 2[SO4]{2-} + 5 NO + 2 H2O + Fe{3+}
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Ba(NO3)2 + Pb(ClO3)2 = Ba(ClO3)2 + Pb(NO3)2 =>
Ba(NO3)2 + Pb(ClO3)2 = Ba(ClO3)2 + Pb(NO3)2
NH4Cl + HgO = (NH4)2O + HgCl2 =>
2 NH4Cl + HgO = (NH4)2O + HgCl2
NiC2O4*2H2O(s) + O2(g) = NiO(s) + H2O(g) + CO2 =>
2 NiC2O4*2H2O(s) + O2(g) = 2 NiO(s) + 4 H2O(g) + 4 CO2
Zn + FeSO4 = ZnSO4 + Fe2 =>
2 Zn + 2 FeSO4 = 2 ZnSO4 + Fe2
C2H6O2 + H2CrO4 + H2O = C2H2O4 + OH{-} + Cr{+4} =>
C2H6O2 + 4 H2CrO4 + 2 H2O = C2H2O4 + 16 OH{-} + 4 Cr{+4}
BaX + Na2SO4 = BaSO4 + Na2X =>
BaX + Na2SO4 = BaSO4 + Na2X
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
NaOH(aq) + CaCl2(aq) = NaCl(aq) + Ca(OH)2 =>
2 NaOH(aq) + CaCl2(aq) = 2 NaCl(aq) + Ca(OH)2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
CH3COOH + Fe = FeCOOH + CH3 =>
CH3COOH + Fe = FeCOOH + CH3
N + O2 = NO2 =>
N + O2 = NO2
P4S3 + KMnO4 + H2O = S + MnO4 + KOH + PH3 =>
P4S3 + 12 KMnO4 + 12 H2O = 3 S + 12 MnO4 + 12 KOH + 4 PH3
KCl + Fe(NO3)2 = KNO3 + FeCl2 =>
2 KCl + Fe(NO3)2 = 2 KNO3 + FeCl2
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
AlNO3 + NaOH = Al2 + OH + NaNO3 =>
2 AlNO3 + 2 NaOH = Al2 + 2 OH + 2 NaNO3
FeO + HClO3 = OH + FeClO3 =>
FeO + HClO3 = OH + FeClO3
C6H5OHHNO3H2SO4 = C6H4OHNO2H2OH2SO4 =>
C6H5OHHNO3H2SO4 = C6H4OHNO2H2OH2SO4
CuBr2 + NH4NO3 = CuNO3 + Br2NH4 =>
CuBr2 + NH4NO3 = CuNO3 + Br2NH4
Ca2{+} + e = Ca =>
Ca2{+} + e = 2 Ca
NH4Cl + KNO3 = KCl + H2O + N2O =>
NH4Cl + KNO3 = KCl + 2 H2O + N2O
CuOH2NO3 = CuNO3H2O =>
CuOH2NO3 = CuNO3H2O
NH3 + Br2 = N2 + HBr =>
2 NH3 + 3 Br2 = N2 + 6 HBr
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Al + H2SO4 = H2SO4Al =>
Al + H2SO4 = H2SO4Al
ClF + O2 = Cl2O + F2O =>
2 ClF + O2 = Cl2O + F2O
FeNaOH = FeONaH =>
FeNaOH = FeONaH
FeO + HCI = CO + Fe + H2O + I2 =>
3 FeO + 2 HCI = 2 CO + 3 Fe + H2O + I2
Zn + HgCl2 = ZnCl2 + Hg =>
Zn + HgCl2 = ZnCl2 + Hg
Na[Cr(OH)4]HCl = Cr(OH)3NaClH2O =>
Na[Cr(OH)4]HCl = Cr(OH)3NaClH2O
HC2H4O2 + NaOH = NaC2H4O2 + H2O =>
HC2H4O2 + NaOH = NaC2H4O2 + H2O
FeSO4 + Br2 + H2SO4 = HBr + Fe2(SO4)3 =>
2 FeSO4 + Br2 + H2SO4 = 2 HBr + Fe2(SO4)3
CH2OH2 = CH3OH =>
CH2OH2 = CH3OH
Cr2O7 + AgNO3 = Cr(NO3)7 + Ag2O =>
Cr2O7 + 14 AgNO3 = 2 Cr(NO3)7 + 7 Ag2O
HHNO3 + Cu = CuNO3 + H2 =>
HHNO3 + Cu = CuNO3 + H2
Cu2S + O2 = CuO + S2 =>
2 Cu2S + 2 O2 = 4 CuO + S2
Cr(oh)3 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
Cr(oh)3 + 9 Br2 + 24 NaOH = 3 Na2CrO4 + 18 NaBr + 12 H2O
H2O + N2O3 = NHO2 =>
H2O + N2O3 = 2 NHO2
HCOOH + CH3OH = HCOCH3 + H2O =>
HCOOH + 3 CH3OH = 2 HCOCH3 + 3 H2O
Ca3(PO4)2 + NaCl = PO4Na3 + CaCl2 =>
Ca3(PO4)2 + 6 NaCl = 2 PO4Na3 + 3 CaCl2
K2SO3 + BaO2 = BaSO4 + K2O =>
K2SO3 + BaO2 = BaSO4 + K2O
Ca(NO2)3KI = K(NO2)3CaI =>
Ca(NO2)3KI = K(NO2)3CaI
C13H9N3O5 + O2 = CO2 + H2O + N2 =>
4 C13H9N3O5 + 51 O2 = 52 CO2 + 18 H2O + 6 N2
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
KBrO3 + NH3OHCl + H2O = KBr + NO3{-} + Cl{-} + H3O{+} =>
KBrO3 + NH3OHCl + H2O = KBr + NO3{-} + Cl{-} + 2 H3O{+}
Mn3O2 + HCl = Mn7Cl2 + H2O + Cl2 =>
7 Mn3O2 + 28 HCl = 3 Mn7Cl2 + 14 H2O + 11 Cl2
Cu3(PO4)2 + Na2SO4 = Na3PO4 + CuSO4 =>
Cu3(PO4)2 + 3 Na2SO4 = 2 Na3PO4 + 3 CuSO4
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
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