| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Cl2 + 3 H2O = 5 Cl{-} + ClO3{-} + 6 H{+1)
NaBH4 + NH4Cl = H2 + NaCl + B3N3H6 =>
3 NaBH4 + 3 NH4Cl = 9 H2 + 3 NaCl + B3N3H6
NaOH + C6H5COOH = NaC6H5COO + H2O =>
NaOH + C6H5COOH = NaC6H5COO + H2O
C6H8O6 + CaCO3 = Ca(C6H7O6)2 + H2O + CO2 =>
2 C6H8O6 + CaCO3 = Ca(C6H7O6)2 + H2O + CO2
KMnO4 + Fe = KMn + Fe2O3 =>
3 KMnO4 + 8 Fe = 3 KMn + 4 Fe2O3
Fe3O4 + HCl = FeCl2 + FeCl3 + H2O =>
Fe3O4 + 8 HCl = FeCl2 + 2 FeCl3 + 4 H2O
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
OO = O =>
OO = 2 O
Cr + K3[Fe(CN)6] + KOH = H2O + K2CrO4 + K4[Fe(CN)6] =>
Cr + 6 K3[Fe(CN)6] + 8 KOH = 4 H2O + K2CrO4 + 6 K4[Fe(CN)6]
Bi + H2O + HNO3 = Bi(NO3)2*5H2O + NO =>
3 Bi + 11 H2O + 8 HNO3 = 3 Bi(NO3)2*5H2O + 2 NO
CaCl2(s) + Na2CO3(s) = CaCO3(s) + NaCl(aq) =>
CaCl2(s) + Na2CO3(s) = CaCO3(s) + 2 NaCl(aq)
Cu(NH3)4(OH)2 + H2SO4 = CuSO4 + (NH3)4(OH)2H2 =>
Cu(NH3)4(OH)2 + H2SO4 = CuSO4 + (NH3)4(OH)2H2
C2H2 + HCl = H3C + CHCl =>
3 C2H2 + 4 HCl = 2 H3C + 4 CHCl
Cr2O7{2-} + H{+} + C2O4{2-} = Cr{3+} + CO2 + H2O =>
Cr2O7{2-} + 14 H{+} + 3 C2O4{2-} = 2 Cr{3+} + 6 CO2 + 7 H2O
NH2OH = N2 + NH3 + H2O =>
3 NH2OH = N2 + NH3 + 3 H2O
Al(NO3)3*9H2O + CO(NH2)2 = Al2O3 + H2O + N2 + CO2 =>
2 Al(NO3)3*9H2O + 5 CO(NH2)2 = Al2O3 + 28 H2O + 8 N2 + 5 CO2
Cu(OH)2 + KNO2 = Cu2O + KNO3 + H2O =>
2 Cu(OH)2 + KNO2 = Cu2O + KNO3 + 2 H2O
Cu + NO3{-} + H3O{+} = Cu{2+} + N2O4 + H2O =>
Cu + 2 NO3{-} + 4 H3O{+} = Cu{2+} + N2O4 + 6 H2O
HNO3 + HF = N2O + F + H2O =>
2 HNO3 + 8 HF = N2O + 8 F + 5 H2O
NH3 + O2 = (kat)NO + H2O =>
4 NH3 + 5 O2 = 4(kat)NO + 6 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Zn3P2 = Zn + P2 =>
Zn3P2 = 3 Zn + P2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
H2SO4 + NaOH = Na2(SO4)2 + HOH2 =>
2 H2SO4 + 2 NaOH = Na2(SO4)2 + 2 HOH2
Tl + O2 = Tl2O =>
4 Tl + O2 = 2 Tl2O
Mg(H2PO4)2 + KOH = Mg(OH)2 + K(H2PO4) =>
Mg(H2PO4)2 + 2 KOH = Mg(OH)2 + 2 K(H2PO4)
C6H5ClKOH = C6H5OHKCl =>
C6H5ClKOH = C6H5OHKCl
NaHO3 = Na + H + O =>
NaHO3 = Na + H + 3 O
HNO3 + Mq(OH)2 = Mq(NO3)2 + H2O =>
2 HNO3 + Mq(OH)2 = Mq(NO3)2 + 2 H2O
NH3ClNaOH = NH2NaClH2O =>
NH3ClNaOH = NH2NaClH2O
C5H7NO2 + HO = CO2 + H2O + NH3 =>
C5H7NO2 + 20 HO = 5 CO2 + 12 H2O + NH3
FeCl3 + NH4(OH) = Fe(OH)3 + (NH4)Cl =>
FeCl3 + 3 NH4(OH) = Fe(OH)3 + 3(NH4)Cl
C6H6(CH3)3 + KMnO4 + H2SO4 = C6H6(COOH)3 + K2SO4 + MnSO4 + H2O =>
5 C6H6(CH3)3 + 18 KMnO4 + 27 H2SO4 = 5 C6H6(COOH)3 + 9 K2SO4 + 18 MnSO4 + 42 H2O
MgCO3 = CO2 + MgO =>
MgCO3 = CO2 + MgO
Cr2(SO4)3 + KMnO4 + KOH = H2CrO4 + K2MnO4 + K2SO4 + H2SO4 =>
Cr2(SO4)3 + 6 KMnO4 + 8 KOH = 2 H2CrO4 + 6 K2MnO4 + K2SO4 + 2 H2SO4
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
(CdOH)CO3 + H2CO3 = CdH(CO3)2 + H2O =>
(CdOH)CO3 + H2CO3 = CdH(CO3)2 + H2O
NiSe = Ni + Se =>
NiSe = Ni + Se
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Hg2(NO3)2 + K2CrO4 = KNO3 + Hg2CrO4 =>
Hg2(NO3)2 + K2CrO4 = 2 KNO3 + Hg2CrO4
KOH + Zn = K2ZnO2 + H2 =>
2 KOH + Zn = K2ZnO2 + H2
Cl2 + CrCl3 + KOH = K2CrO4 + KCl + H2O =>
3 Cl2 + 2 CrCl3 + 16 KOH = 2 K2CrO4 + 12 KCl + 8 H2O
K2Cr2O7 + HNO2 + H2SO4 = Cr2O3 + K2SO4 + HNO3 + H2O =>
K2Cr2O7 + 3 HNO2 + H2SO4 = Cr2O3 + K2SO4 + 3 HNO3 + H2O
Fe3O4 + O2 = Fe2O3 =>
4 Fe3O4 + O2 = 6 Fe2O3
Cr2O7{2-} + H2O = H3O{+} + CrO4{2-} =>
Cr2O7{2-} + 3 H2O = 2 H3O{+} + 2 CrO4{2-}
Cr2O6 + H2SO4 + C = Cr2(SO4)3 + CO2 + H2O =>
2 Cr2O6 + 6 H2SO4 + 3 C = 2 Cr2(SO4)3 + 3 CO2 + 6 H2O
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
PH5 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H3PO4 + H2O =>
PH5 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + H3PO4 + 4 H2O
HNO3 + Al(OH)2 = AlHNO3 + OH =>
HNO3 + Al(OH)2 = AlHNO3 + 2 OH
Zn(NO3)2 + NH3 = [Zn(NO3)2]NH3 =>
Zn(NO3)2 + NH3 = [Zn(NO3)2]NH3
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