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2 S + 3 O2 = 2 SO3
Fe + S = FeS =>
Fe + S = FeS
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
S + O2 = SO2 =>
S + O2 = SO2
Fe3O4 + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 Fe3O4 + 10 H2SO4 = 3 Fe2(SO4)3 + 10 H2O + SO2
Zn + S = ZnS =>
Zn + S = ZnS
Fe + S = FeS =>
Fe + S = FeS
Zn + S = ZnS =>
Zn + S = ZnS
AlCl3 + (NH4)2S + H2O = Al(OH)3 + H2S + NH4Cl =>
2 AlCl3 + 3(NH4)2S + 6 H2O = 2 Al(OH)3 + 3 H2S + 6 NH4Cl
Fe + S = FeS =>
Fe + S = FeS
Zn + S = ZnS =>
Zn + S = ZnS
S + O2 = SO2 =>
S + O2 = SO2
Fe + S = FeS =>
Fe + S = FeS
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
SnCO3 = SnO + CO2 =>
SnCO3 = SnO + CO2
Zn + S = ZnS =>
Zn + S = ZnS
C3OH7 + O2 = CO2 + H2O =>
4 C3OH7 + 17 O2 = 12 CO2 + 14 H2O
Bi(NO3)3 + KOH + C3H7NO2S = KBiS2 + C + N + O + H =>
Bi(NO3)3 + KOH + 2 C3H7NO2S = KBiS2 + 6 C + 5 N + 14 O + 15 H
MnO2 + CaCO3 = Mn(CO3)2 + CaO =>
MnO2 + 2 CaCO3 = Mn(CO3)2 + 2 CaO
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CrN + SrI = NSr + CrI =>
CrN + SrI = NSr + CrI
C3H6O(l) + O2(g) = CO2(g) + H2O(g) =>
C3H6O(l) + 4 O2(g) = 3 CO2(g) + 3 H2O(g)
HCl + HNO3 = H2O + NO + Cl2 =>
6 HCl + 2 HNO3 = 4 H2O + 2 NO + 3 Cl2
Ca(OH)2 + Na2SO4 = NaOH + CaSO4 =>
Ca(OH)2 + Na2SO4 = 2 NaOH + CaSO4
H{+} + I{-} + Cr2O7{2-} = Cr{3+} + I2 + H2O =>
14 H{+} + 6 I{-} + Cr2O7{2-} = 2 Cr{3+} + 3 I2 + 7 H2O
Cr4C3 + Mn(HCO2)2 = Cr(HCO2)3 + Mn2C =>
Cr4C3 + 6 Mn(HCO2)2 = 4 Cr(HCO2)3 + 3 Mn2C
MnO4{-} + Fe{2+} + H{+} = Mn{+2} + Fe{3+} + H2O =>
MnO4{-} + 5 Fe{2+} + 8 H{+} = Mn{+2} + 5 Fe{3+} + 4 H2O
Li + HCl2 = LiCl + H =>
2 Li + HCl2 = 2 LiCl + H
Sc2O3 + SO2 = Sc2(SO3)3 =>
Sc2O3 + 3 SO2 = Sc2(SO3)3
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Al(s) + NaOH = Na3AlO3 + H2(g) =>
2 Al(s) + 6 NaOH = 2 Na3AlO3 + 3 H2(g)
KOH + ZnCl{+2} = KCl + Zn(OH){+2} =>
KOH + ZnCl{+2} = KCl + Zn(OH){+2}
O3 + NaI + H2O = I2 + NaOH =>
O3 + 6 NaI + 3 H2O = 3 I2 + 6 NaOH
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
C3H6O3 + K2Cr2O7 + H3PO4 = CO2 + H2O + K3PO4 + CrPO4 =>
3 C3H6O3 + 6 K2Cr2O7 + 16 H3PO4 = 9 CO2 + 33 H2O + 4 K3PO4 + 12 CrPO4
FeCO3 + H2O2 + H2O = Fe(OH)3 + CO2 =>
2 FeCO3 + H2O2 + 2 H2O = 2 Fe(OH)3 + 2 CO2
CuS2 + KCl = KS + CuCl2 =>
CuS2 + 2 KCl = 2 KS + CuCl2
Nb2O5 + Cl2 + C = NbCl5 + CO2 =>
2 Nb2O5 + 10 Cl2 + 5 C = 4 NbCl5 + 5 CO2
Cu2S + O2 + H2O = CuSO4 + Cu(OH)2 =>
2 Cu2S + 5 O2 + 2 H2O = 2 CuSO4 + 2 Cu(OH)2
CHS + O2 = SO2 + H2O + CO2 =>
4 CHS + 9 O2 = 4 SO2 + 2 H2O + 4 CO2
(Fe)2O3 + C = Fe + CO2 =>
2(Fe)2O3 + 3 C = 4 Fe + 3 CO2
NaCl(aq) + Br2(aq) = NaBr(aq) + Cl2(aq) =>
2 NaCl(aq) + Br2(aq) = 2 NaBr(aq) + Cl2(aq)
(NH4)2SO4(aq) + Ba(C2H3O2)2(aq) = BaSO4(aq) + NH4C2H3O2(s) =>
(NH4)2SO4(aq) + Ba(C2H3O2)2(aq) = BaSO4(aq) + 2 NH4C2H3O2(s)
Fe3O4 + CO = Fe3O + CO2 =>
Fe3O4 + 3 CO = Fe3O + 3 CO2
C6H5NH2 + O2 = N2 + CO2 + H2O =>
4 C6H5NH2 + 31 O2 = 2 N2 + 24 CO2 + 14 H2O
CrO4{-2} + H{+} + CU + H2O = Cr(OH)2{+} + CU(OH)2 =>
2 CrO4{-2} + 6 H{+} + 3 CU + 2 H2O = 2 Cr(OH)2{+} + 3 CU(OH)2
K2Cr2O7 + NaOH = K2CrO4Na2CrO4 + H2O =>
K2Cr2O7 + 2 NaOH = K2CrO4Na2CrO4 + H2O
CuCl2(aq) + Na2S(aq) = CuS(aq) + Na2Cl2(s) =>
CuCl2(aq) + Na2S(aq) = CuS(aq) + Na2Cl2(s)
HI + KNO3 + FeNO3 = (NO3)2 + FeI + HK =>
HI + KNO3 + FeNO3 = (NO3)2 + FeI + HK
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