| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
C2H4(g) + O2(g) = CO2(g) + H2O(g) =>
C2H4(g) + 3 O2(g) = 2 CO2(g) + 2 H2O(g)
NaMnO4 + Na2SO3 + H2SO4 = MnSO4 + Na2SO4 + H2O =>
2 NaMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + 6 Na2SO4 + 3 H2O
Na2S2O8 + C = CO2 + Na2SO4 + SO2 =>
Na2S2O8 + C = CO2 + Na2SO4 + SO2
I3 + O2 = I2O3 =>
4 I3 + 9 O2 = 6 I2O3
ZN + NaOH = Na2ZNO2 + H2 =>
ZN + 2 NaOH = Na2ZNO2 + H2
I2 + Cl2 + H2O = HIO3 + HCl =>
I2 + 5 Cl2 + 6 H2O = 2 HIO3 + 10 HCl
Na + Cl = NaCl =>
Na + Cl = NaCl
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
MnO2 + KOH + O2 = K2MnO4 + H2O =>
2 MnO2 + 4 KOH + O2 = 2 K2MnO4 + 2 H2O
C2 + O2 = CO =>
C2 + O2 = 2 CO
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
ZnMnO4 + HBr = ZnBr2 + Br2 + MnBr2 + H2O =>
ZnMnO4 + 8 HBr = ZnBr2 + 2 Br2 + MnBr2 + 4 H2O
HNO3 + Mg(OH)2 = Mg(NO3)2 + H2O =>
2 HNO3 + Mg(OH)2 = Mg(NO3)2 + 2 H2O
K2Cr2O7 + H2SO3 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 3 H2SO3 + H2SO4 = K2SO4 + Cr2(SO4)3 + 4 H2O
Na2CO3(s) + HCl(aq) = NaCl(aq) + H2CO3(s) =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl(aq) + H2CO3(s)
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
MnCl3 + F + NaOH = Na2MnO4 + NaClO3 + NaF + H2O =>
MnCl3 + 21 F + 26 NaOH = Na2MnO4 + 3 NaClO3 + 21 NaF + 13 H2O
Ca2P2O7 + H2SO4 = H4P2O7 + CaSO4 =>
Ca2P2O7 + 2 H2SO4 = H4P2O7 + 2 CaSO4
KI + KIO3 + H2SO4 = H2O + I2 + K2SO4 =>
5 KI + KIO3 + 3 H2SO4 = 3 H2O + 3 I2 + 3 K2SO4
NO + O = NO2 =>
NO + O = NO2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Al + H2O + NaOH = NaAlO2 + H2 =>
2 Al + 2 H2O + 2 NaOH = 2 NaAlO2 + 3 H2
KMnO4 + Zn3(PO4)2 = K3PO4 + Zn(MnO4)2 =>
6 KMnO4 + Zn3(PO4)2 = 2 K3PO4 + 3 Zn(MnO4)2
CrCl3(aq) + H2S(g) = Cr2S3(s) + HCl(aq) =>
2 CrCl3(aq) + 3 H2S(g) = Cr2S3(s) + 6 HCl(aq)
Ca3P2 + H2O = PH3 + Ca(OH)2 =>
Ca3P2 + 6 H2O = 2 PH3 + 3 Ca(OH)2
H3PO4(aq) + NaOH(aq) = Na3PO4(aq) + H2O(l) =>
H3PO4(aq) + 3 NaOH(aq) = Na3PO4(aq) + 3 H2O(l)
Cl2 + Al = AlCl3 =>
3 Cl2 + 2 Al = 2 AlCl3
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H20 =>
20 K2Cr2O7 + 35 H2S + 45 H2SO4 = 20 K2SO4 + 20 Cr2(SO4)3 + 8 H20
Fe2O3 + CO = CO2 + Fe =>
Fe2O3 + 3 CO = 3 CO2 + 2 Fe
Fe3 + O2 = Fe2O3 =>
4 Fe3 + 9 O2 = 6 Fe2O3
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
MnS + HNO3 = MnSO4 + NO2 + H2O =>
MnS + 8 HNO3 = MnSO4 + 8 NO2 + 4 H2O
H2S + HCIO3 = S + HCI + H2O =>
3 H2S + HCIO3 = 3 S + HCI + 3 H2O
Ag + HNO3 = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3 = AgNO3 + NO2 + H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
I2 + Cl2 + H2O = HIO3 + HCl =>
I2 + 5 Cl2 + 6 H2O = 2 HIO3 + 10 HCl
NaOH + Fe(SCN)6 = Fe(OH)3 + Na + SCN =>
3 NaOH + Fe(SCN)6 = Fe(OH)3 + 3 Na + 6 SCN
K(s) + N2(g) = K3N(s) =>
6 K(s) + N2(g) = 2 K3N(s)
Ag + HNO3 = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3 = AgNO3 + NO2 + H2O
Fe(NO3)3 + NH3 + H2O = Fe(OH)3 + NH4NO3 =>
Fe(NO3)3 + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4NO3
Mg + Mn2O3 = MgO + MnO =>
Mg + Mn2O3 = MgO + 2 MnO
H3PO4(aq) + NaOH(aq) = Na3PO4(aq) + H2O(l) =>
H3PO4(aq) + 3 NaOH(aq) = Na3PO4(aq) + 3 H2O(l)
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
Ca(OH)2 + SO2 = Ca(HSO3)2 =>
Ca(OH)2 + 2 SO2 = Ca(HSO3)2
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur05/25/17
Équations équilibrées sur06/24/16
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