| Équations équilibrées la veille |
Cd + HCO2 = CdCO2 + H
Zn + S = ZnS =>
Zn + S = ZnS
Mn2(CO3)5 + H3PO4 = Mn3(PO4)5 + H2O + CO2 =>
3 Mn2(CO3)5 + 10 H3PO4 = 2 Mn3(PO4)5 + 15 H2O + 15 CO2
KMnO4 + NH3 = KNO + MnO2 + KOH + H2O =>
4 KMnO4 + 3 NH3 = 3 KNO + 4 MnO2 + KOH + 4 H2O
C2H6 + O2 = CO4 + H2O =>
2 C2H6 + 11 O2 = 4 CO4 + 6 H2O
Hg2O2 = Hg + O2 =>
Hg2O2 = 2 Hg + O2
N3H + O = NO + H0 =>
N3H + 3 O = 3 NO + H0
Nb + I = I8Nb3 =>
3 Nb + 8 I = I8Nb3
(NH4)2CO3 + O2 = NH4O2 + CO2 =>
2(NH4)2CO3 + 3 O2 = 4 NH4O2 + 2 CO2
Cu + N2O = Cu2O + N2 =>
2 Cu + N2O = Cu2O + N2
HNO3 + Cu + NaOH = Na + Cu(NO3)2 + H2O =>
2 HNO3 + Cu + 2 NaOH = 2 Na + Cu(NO3)2 + 2 H2O
Fe + AgO = Fe2O3 + Ag =>
2 Fe + 3 AgO = Fe2O3 + 3 Ag
NH4Fe(SO4)2 + NaOH = Fe(OH)3 + NH4OH + Na2SO4 =>
NH4Fe(SO4)2 + 4 NaOH = Fe(OH)3 + NH4OH + 2 Na2SO4
HNO3 + P = PNO3 + H =>
HNO3 + P = PNO3 + H
KCrO2 + PbO2 + KOH = K2CrO4 + K2PbO + H2O =>
4 KCrO2 + 3 PbO2 + 10 KOH = 4 K2CrO4 + 3 K2PbO + 5 H2O
H3BO3 + H2O = H2BO3 + H3O =>
H3BO3 + H2O = H2BO3 + H3O
Ba(HS)2 + Cl2 + H2O = Ba(OH) + HCl + H2SO4 =>
2 Ba(HS)2 + 15 Cl2 + 18 H2O = 2 Ba(OH) + 30 HCl + 4 H2SO4
X + Q3 = X2Q3 =>
2 X + Q3 = X2Q3
Cu4SO4 + Fe = FeSO4 + Cu =>
Cu4SO4 + Fe = FeSO4 + 4 Cu
NaNO2 + Na = Na2O + N =>
NaNO2 + 3 Na = 2 Na2O + N
C3H4Br5 + Zn = C3H4 + ZnBr =>
C3H4Br5 + 5 Zn = C3H4 + 5 ZnBr
BaCO3 + HCl + NaOH = NaCl + Ba(OH)2 + CO2 =>
BaCO3 + HCl + NaOH = NaCl + Ba(OH)2 + CO2
K2S + HOH = KOH + H2S =>
K2S + 2 HOH = 2 KOH + H2S
N + PBN2O6 = NN2O6 + PB =>
N + PBN2O6 = NN2O6 + PB
SrCO3 + La2O3 = SrLa2O4 + CO2 =>
SrCO3 + La2O3 = SrLa2O4 + CO2
LiOH + H2TeO4 = LiHTeO4 + H2O =>
LiOH + H2TeO4 = LiHTeO4 + H2O
C3H7OH + I2 + NaOH = CHI3 + CO2HNa + HI =>
C3H7OH + 6 I2 + NaOH = 2 CHI3 + CO2HNa + 6 HI
H + MnSO4 + KMnO4 = H2SO4 + K2SO4 + Mn2O3 =>
14 H + 10 MnSO4 + 6 KMnO4 = 7 H2SO4 + 3 K2SO4 + 8 Mn2O3
Mg + Fe3O4 = MgO + Fe =>
4 Mg + Fe3O4 = 4 MgO + 3 Fe
H + NO2 = NH3 + O2 =>
3 H + NO2 = NH3 + O2
S + OCl = SO3 + Cl =>
S + 3 OCl = SO3 + 3 Cl
H2O + CO2 = CH3CH2CH2CH2OH + O2 =>
5 H2O + 4 CO2 = CH3CH2CH2CH2OH + 6 O2
Ba(NO3)2 + Al2(SO4)3 = BaSO4(s) + Al(NO3)3 =>
3 Ba(NO3)2 + Al2(SO4)3 = 3 BaSO4(s) + 2 Al(NO3)3
Br{2+} + NaI = NaBr + I{2+} =>
Br{2+} + NaI = NaBr + I{2+}
Br2 + S2O3{2-} + H2O = HBr + SO4{2-} + H{+} =>
4 Br2 + S2O3{2-} + 5 H2O = 8 HBr + 2 SO4{2-} + 2 H{+}
C15H31COOH + C3H8O3 = C51H98O6 + H2O =>
3 C15H31COOH + C3H8O3 = C51H98O6 + 3 H2O
K2Cr2O7 + H2C2O4 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 3 H2C2O4 + 4 H2SO4 = 6 CO2 + Cr2(SO4)3 + K2SO4 + 7 H2O
Li + H2S = H2 + Li2S =>
2 Li + H2S = H2 + Li2S
Na2 + MgCl2 = NaCl + Mg =>
Na2 + MgCl2 = 2 NaCl + Mg
(NH4)2CO3(aq) + Au(NO3)3(aq) = Au2(CO3)3(s) + NH4NO3(aq) =>
3(NH4)2CO3(aq) + 2 Au(NO3)3(aq) = Au2(CO3)3(s) + 6 NH4NO3(aq)
N3O + O2 = NO2 =>
2 N3O + 5 O2 = 6 NO2
CH3C(O)CH2CH2CH3 + HCN = CH3C(OH)CH2CH2CH3 + CN =>
CH3C(O)CH2CH2CH3 + HCN = CH3C(OH)CH2CH2CH3 + CN
Pb + FeNO3 = PbNO3 + Fe =>
Pb + FeNO3 = PbNO3 + Fe
(H)2(O)2 = (H)2O + (O)2 =>
2(H)2(O)2 = 2(H)2O + (O)2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
HClO + HBr = HBrO + HCl =>
HClO + HBr = HBrO + HCl
H3PO4 + CaOH = PO4Ca + H3OH =>
H3PO4 + CaOH = PO4Ca + H3OH
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
C2H6 + H2O = CO + H2 =>
C2H6 + 2 H2O = 2 CO + 5 H2
H{+} + Cr2O7{-2} + H2C2O4 = Cr{+3} + CO2 + H2O =>
8 H{+} + Cr2O7{-2} + 3 H2C2O4 = 2 Cr{+3} + 6 CO2 + 7 H2O
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