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3 H2S + 2 Fe(OH)3 = Fe2S3 + 6 H2O
BACl2 + Al2(SO4)3 = BASO4 + AlCl3 =>
3 BACl2 + Al2(SO4)3 = 3 BASO4 + 2 AlCl3
S + H2SO4 = SO2 + H20 =>
10 S + 10 H2SO4 = 20 SO2 + H20
Nb2O5 + Cu = CuO + Nb =>
Nb2O5 + 5 Cu = 5 CuO + 2 Nb
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2 =>
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2
H2C = CH2 =>
H2C = CH2
Fe(OH)3 + HI = FeI2 + I2 + H2O =>
2 Fe(OH)3 + 6 HI = 2 FeI2 + I2 + 6 H2O
C3H10N2 + C10H18O5 = C8H18N2O2 + C5H10O3 =>
C3H10N2 + C10H18O5 = C8H18N2O2 + C5H10O3
Sn + NaOH = Na2SnO2 + H2 =>
Sn + 2 NaOH = Na2SnO2 + H2
Cl2 + AlBr3 = Br2 + AlCl3 =>
3 Cl2 + 2 AlBr3 = 3 Br2 + 2 AlCl3
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
NaClO3 + HI = NaI + HClO3 =>
NaClO3 + HI = NaI + HClO3
Pb(NO3)2 = Pb + (NO3)2 =>
Pb(NO3)2 = Pb + (NO3)2
K(s) + H2O(l) = KO(aq) + H2(g) =>
K(s) + H2O(l) = KO(aq) + H2(g)
NaCl + H2SO4 = HCl + NaHSO4 =>
NaCl + H2SO4 = HCl + NaHSO4
K(s) + H2O(l) = KO(aq) + H2(g) =>
K(s) + H2O(l) = KO(aq) + H2(g)
KMnO4 + Na2SO3 + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + 5 Na2SO4 + K2SO4 + 3 H2O
Na2SO4 + Bi(NO3)3 = Bi2(SO4)3 + NaNO3 =>
3 Na2SO4 + 2 Bi(NO3)3 = Bi2(SO4)3 + 6 NaNO3
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2 =>
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2
K2CrO7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
2 K2CrO7 + 28 HCl = 4 KCl + 2 CrCl3 + 14 H2O + 9 Cl2
KMnO4 + Na2SO3 + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + 5 Na2SO4 + K2SO4 + 3 H2O
Ai + O2 = Ai2O3 =>
4 Ai + 3 O2 = 2 Ai2O3
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
HCOOH + K2CO3 = HCOOCO2 + K2OH =>
HCOOH + K2CO3 = HCOOCO2 + K2OH
Pb + S = PbS =>
Pb + S = PbS
Al + MnCl2 = Mn + AlCl3 =>
2 Al + 3 MnCl2 = 3 Mn + 2 AlCl3
K2CrO7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
2 K2CrO7 + 28 HCl = 4 KCl + 2 CrCl3 + 14 H2O + 9 Cl2
AgNO3(aq) + KBr(aq) = AgBr(s) + KNO3(aq) =>
AgNO3(aq) + KBr(aq) = AgBr(s) + KNO3(aq)
Cr{3+} + PbO2 + OH{-} = CrO4{2-} + Pb{2+} + H2O =>
2 Cr{3+} + 3 PbO2 + 4 OH{-} = 2 CrO4{2-} + 3 Pb{2+} + 2 H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
NH4NO3 + NaOH = NaNO3 + NH3 + H2O =>
NH4NO3 + NaOH = NaNO3 + NH3 + H2O
Mn(NO3)2 + Br2 + NaOH = MnO2 + NaBr + NaNO3 + H2O =>
Mn(NO3)2 + Br2 + 4 NaOH = MnO2 + 2 NaBr + 2 NaNO3 + 2 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
FeO + MnS = FeS + MnO =>
FeO + MnS = FeS + MnO
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Si + S8 = Si2S4 =>
4 Si + S8 = 2 Si2S4
Al + H2SO4 = Al2(SO4)3 + SO2 + H2O =>
2 Al + 6 H2SO4 = Al2(SO4)3 + 3 SO2 + 6 H2O
Cl2 + CaBr2 = ClBr + Ca =>
Cl2 + CaBr2 = 2 ClBr + Ca
Cu(OH)2 + Zn = Cu + Zn(OH)4 =>
2 Cu(OH)2 + Zn = 2 Cu + Zn(OH)4
C3H8(g) + O2(g) = (CO2)(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3(CO2)(g) + 4 H2O(g)
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
CH4 + CI2 = CH3CI + H2 =>
3 CH4 + CI2 = 2 CH3CI + 3 H2
Cu2S + O2 = CuO + SO2 =>
Cu2S + 2 O2 = 2 CuO + SO2
NaBr + Cl2 = NaCl + Br2 =>
2 NaBr + Cl2 = 2 NaCl + Br2
AgNO3 + Zn = Zn(NO3)2 + Ag =>
2 AgNO3 + Zn = Zn(NO3)2 + 2 Ag
BaCl2(aq) + H2SO4(aq) = BaSO4(s) + HCl(aq) =>
BaCl2(aq) + H2SO4(aq) = BaSO4(s) + 2 HCl(aq)
KMnO4 + CH2CH2 + H2O = CH2(OH)CH2OH + KOH + MnO2 =>
2 KMnO4 + 3 CH2CH2 + 4 H2O = 3 CH2(OH)CH2OH + 2 KOH + 2 MnO2
ZnSO4 + LiOH = ZnOH + LiSO4 =>
ZnSO4 + LiOH = ZnOH + LiSO4
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