Équations équilibrées la veille |
I2 + 5 H2O2 = 2 HIO3 + 4 H2O
CH3BrO3 + SO2(CH3)2 = CH3BrO3SO2(CH3)2 =>
CH3BrO3 + SO2(CH3)2 = CH3BrO3SO2(CH3)2
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
CuI2 + H2SO4 = CuSO4 + SO2 + H2O + I2 =>
CuI2 + 2 H2SO4 = CuSO4 + SO2 + 2 H2O + I2
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
KMnO4 + HCl + Na2SO3 = MnCl2 + Na2SO4 + KCl + H2O =>
2 KMnO4 + 6 HCl + 5 Na2SO3 = 2 MnCl2 + 5 Na2SO4 + 2 KCl + 3 H2O
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
HgSO3 = HgO + SO2 =>
HgSO3 = HgO + SO2
(CH3)2CO + NaBr + NaClO = CHBr3 + CH3COONa + NaOH + NaCl =>
(CH3)2CO + 3 NaBr + 3 NaClO = CHBr3 + CH3COONa + 2 NaOH + 3 NaCl
C5H11 + KMnO4 + H2O = C5H11(OH)2 + KOH + MnO2 =>
3 C5H11 + 2 KMnO4 + 4 H2O = 3 C5H11(OH)2 + 2 KOH + 2 MnO2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
K + Pb(IO)2 = K(IO) + Pb =>
2 K + Pb(IO)2 = 2 K(IO) + Pb
Na2O + CrO3 = Na2Cr2O7 =>
Na2O + 2 CrO3 = Na2Cr2O7
NH4OH + Cr2(SO4)3 = Cr(OH)3 + (NH4)2SO4 =>
6 NH4OH + Cr2(SO4)3 = 2 Cr(OH)3 + 3(NH4)2SO4
Na3(Al(OH)6) = NaAlO2 + H2O + NaOH =>
Na3(Al(OH)6) = NaAlO2 + 2 H2O + 2 NaOH
K2O + CO2 = K2CO3 =>
K2O + CO2 = K2CO3
Ca(OH)2 + HBrO3 = Ca(BrO3)2 + H2O =>
Ca(OH)2 + 2 HBrO3 = Ca(BrO3)2 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CuBr2 + F2 = F2Br2 + Cu =>
CuBr2 + F2 = F2Br2 + Cu
Zn + NaOH + H2O = Na2Zn(OH)4 + H2 =>
Zn + 2 NaOH + 2 H2O = Na2Zn(OH)4 + H2
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H3PO4(aq) + Ca(OH)2(aq) = Ca3(PO4)2(aq) + H2O(l) =>
2 H3PO4(aq) + 3 Ca(OH)2(aq) = Ca3(PO4)2(aq) + 6 H2O(l)
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
Mg + NaOH = Mg(OH)2 + Na =>
Mg + 2 NaOH = Mg(OH)2 + 2 Na
Pb2(SO4)3 + Ba(OH)2 = Pb(OH)3 + BaSO4 =>
Pb2(SO4)3 + 3 Ba(OH)2 = 2 Pb(OH)3 + 3 BaSO4
PH3 + KMnO4 + HCl = H3PO4 + MnCl2 + KCl + H2O =>
5 PH3 + 8 KMnO4 + 24 HCl = 5 H3PO4 + 8 MnCl2 + 8 KCl + 12 H2O
TeO2 + HI = TeI4 + H2O =>
TeO2 + 4 HI = TeI4 + 2 H2O
TeO2 + KOH = K2TeO4 + K2Te + H2O =>
4 TeO2 + 8 KOH = 3 K2TeO4 + K2Te + 4 H2O
Ti(OH)4 + H2O2 = HOOTi(OH)3 + H2O =>
Ti(OH)4 + H2O2 = HOOTi(OH)3 + H2O
NO2 + H2O = HNO2 + NO3 =>
3 NO2 + H2O = 2 HNO2 + NO3
Ni + HIO3 = Ni(IO3)2 + H2 =>
Ni + 2 HIO3 = Ni(IO3)2 + H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Na2S + CuSO4 = CuS + Na2SO4 =>
Na2S + CuSO4 = CuS + Na2SO4
KCl + I2 = KI + Cl2 =>
2 KCl + I2 = 2 KI + Cl2
BiSO4 + NH4OH = Bi(OH)2 + (NH4)2SO4 =>
BiSO4 + 2 NH4OH = Bi(OH)2 + (NH4)2SO4
Be(NO3)2 = BeO + NO2 + O2 =>
2 Be(NO3)2 = 2 BeO + 4 NO2 + O2
C2H2O4 + HCl + NaNO2 = CO2 + H2O + NO + NaCl =>
C2H2O4 + 2 HCl + 2 NaNO2 = 2 CO2 + 2 H2O + 2 NO + 2 NaCl
KMnO4 + HCl + Na2SO3 = MnCl2 + Na2SO4 + KCl + H2O =>
2 KMnO4 + 6 HCl + 5 Na2SO3 = 2 MnCl2 + 5 Na2SO4 + 2 KCl + 3 H2O
Pb(NO3)2(aq) + NaI(aq) = PbI2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaI(aq) = PbI2(s) + 2 NaNO3(aq)
C10H18O + O2 = CO2 + H2O =>
C10H18O + 14 O2 = 10 CO2 + 9 H2O
Cr(OH)3{-} + HO2{-} = CrO4{2-} + OH{-} + H2O =>
Cr(OH)3{-} + 2 HO2{-} = CrO4{2-} + OH{-} + 2 H2O
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
H2SO4 + Cu = CuSO4 + H2O + SO2 =>
2 H2SO4 + Cu = CuSO4 + 2 H2O + SO2
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
CuS + HNO3 = S + NO + Cu(NO3)2 + H2O =>
3 CuS + 8 HNO3 = 3 S + 2 NO + 3 Cu(NO3)2 + 4 H2O
K + Pb(IO)2 = K(IO) + Pb =>
2 K + Pb(IO)2 = 2 K(IO) + Pb
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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