| Équations équilibrées la veille |
2 HCN + Sr(OH)2 = Sr(CN)2 + 2 H2O
(NH4)2 + HPO4 = H3PO4 + NH3 =>
(NH4)2 + HPO4 = H3PO4 + 2 NH3
N2F4 + H2S + N2 = NH4F + H3NS4 =>
5 N2F4 + 64 H2S + 13 N2 = 20 NH4F + 16 H3NS4
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
Ca + Na(NO3)2 = Na + Ca(NO3)2 =>
Ca + Na(NO3)2 = Na + Ca(NO3)2
BaCl2 + AgNO3 = AgCl + Ba(NO3)2 = =>
BaCl2 + 2 AgNO3 = 2 AgCl + Ba(NO3)2
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Cu{+} + Zn = Cu + Zn{+2} =>
2 Cu{+} + Zn = 2 Cu + Zn{+2}
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
CH3CH2OH + C2H2 = CHCCH2CH3 + H2O =>
CH3CH2OH + C2H2 = CHCCH2CH3 + H2O
Cr + KOH = KCrO + H =>
Cr + KOH = KCrO + H
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H + N7 = NH7 =>
49 H + N7 = 7 NH7
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe(NO3)3(aq) + NaI(aq) = Fe(NO3)2(aq) + I2(s) + NaNO3(aq) =>
2 Fe(NO3)3(aq) + 2 NaI(aq) = 2 Fe(NO3)2(aq) + I2(s) + 2 NaNO3(aq)
H2S + SO2 = H2O + S =>
2 H2S + SO2 = 2 H2O + 3 S
Na2C2O4 + HCl + HNO2 = CO2 + NO + H2O + NaCl =>
Na2C2O4 + 2 HCl + 2 HNO2 = 2 CO2 + 2 NO + 2 H2O + 2 NaCl
Fe2O3 + Cl = FeCl + O =>
Fe2O3 + 2 Cl = 2 FeCl + 3 O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NaCl + Cu(NO3)3 = CuCl3 + NaNO3 =>
3 NaCl + Cu(NO3)3 = CuCl3 + 3 NaNO3
CH3COOH + FeNO3 = CH3COOFe + HNO3 =>
CH3COOH + FeNO3 = CH3COOFe + HNO3
Fe(OH)3 + NaCl = FeCl(OH)2 + NaOH =>
Fe(OH)3 + NaCl = FeCl(OH)2 + NaOH
NaOH + KNO{3} = NaNO{3} + KOH =>
NaOH + KNO{3} = NaNO{3} + KOH
NH4Cl + NaOH = NaCl + H2O + NH3 =>
NH4Cl + NaOH = NaCl + H2O + NH3
MgC12 = Mg + C1 =>
MgC12 = Mg + 12 C1
C3H6O2 + K2CO3 = C3H5O2K + H2O + CO2 =>
2 C3H6O2 + K2CO3 = 2 C3H5O2K + H2O + CO2
PbN2O6 + FeCl3 = FeN3O9 + PbCl2 =>
3 PbN2O6 + 2 FeCl3 = 2 FeN3O9 + 3 PbCl2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Fe2 + C12H8N2 = Fe(C12H8N2)3 =>
Fe2 + 6 C12H8N2 = 2 Fe(C12H8N2)3
C5H10 + O2 = C5H10O2 =>
C5H10 + O2 = C5H10O2
B2O3(s) + NaOH(aq) = Na3BO3(aq) + H2O(l) =>
B2O3(s) + 6 NaOH(aq) = 2 Na3BO3(aq) + 3 H2O(l)
KCIO3 + HCl = KCl + CIO2 + Cl2 + H2O =>
2 KCIO3 + 4 HCl = 2 KCl + 2 CIO2 + Cl2 + 2 H2O
Zn + H2SO4 = ZnSO4 + H2 = Mg(NO3)2 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
K + LiNO3 = Li + KNO3 =>
K + LiNO3 = Li + KNO3
KMnO4 + H2SO4 + AlI3 = MnSO4 + K2SO4 + Al2(SO4)3 + I2 + H2O =>
6 KMnO4 + 24 H2SO4 + 10 AlI3 = 6 MnSO4 + 3 K2SO4 + 5 Al2(SO4)3 + 15 I2 + 24 H2O
C3H6O3 + NaOH = NaC3H5O3 + H2O =>
C3H6O3 + NaOH = NaC3H5O3 + H2O
CrO4 + BaCl2 = Cl + BaCrO4 =>
CrO4 + BaCl2 = 2 Cl + BaCrO4
C2H2 + KMnO4 + H2O = H2C2(OH)4 + MnO2 + KOH =>
3 C2H2 + 4 KMnO4 + 8 H2O = 3 H2C2(OH)4 + 4 MnO2 + 4 KOH
Pb(NO3)2 + NAl = Pb3Al2 + N(NO3)3 =>
3 Pb(NO3)2 + 2 NAl = Pb3Al2 + 2 N(NO3)3
K2Cr2O7 + HCl + CrCl2 = CrCl3 + KCl + H2O =>
K2Cr2O7 + 14 HCl + 6 CrCl2 = 8 CrCl3 + 2 KCl + 7 H2O
Na(s) + KNO3(s) = K2O(s) + Na2O(s) + N =>
10 Na(s) + 2 KNO3(s) = K2O(s) + 5 Na2O(s) + 2 N
KClO3 + HCl + K4[Fe(CN)6] = K3[Fe(CN)6] + KCl + H2O =>
KClO3 + 6 HCl + 6 K4[Fe(CN)6] = 6 K3[Fe(CN)6] + 7 KCl + 3 H2O
NaOH + Cu = Na + Cu(OH)2 =>
2 NaOH + Cu = 2 Na + Cu(OH)2
Fe(CH3COO)2 + K2S = FeS + KCH3COO =>
Fe(CH3COO)2 + K2S = FeS + 2 KCH3COO
C2H5OH + K2Cr2O7 + H2SO4 = CH3COOH + H2O + Cr2(SO4)3 + K2SO4 =>
3 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 11 H2O + 2 Cr2(SO4)3 + 2 K2SO4
BaO2 + Cr2(SO4)3 + NaOH = BaO + Na2CrO4 + Na2SO4 + H2O =>
3 BaO2 + Cr2(SO4)3 + 10 NaOH = 3 BaO + 2 Na2CrO4 + 3 Na2SO4 + 5 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
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