| Équations équilibrées la veille |
4 B3 + 3 C4 = 12 BC
Cu(NO3) + NH3 + H2O = Cu(OH)2 + NH4NO3 =>
8 Cu(NO3) + 6 NH3 + 13 H2O = 8 Cu(OH)2 + 7 NH4NO3
Ca + H(OH) = Ca(OH)2 + H2 =>
Ca + 2 H(OH) = Ca(OH)2 + H2
Sn + HNO3 + H2O = H2SnO3 + NO =>
3 Sn + 4 HNO3 + H2O = 3 H2SnO3 + 4 NO
K + CaN = KN + Ca =>
K + CaN = KN + Ca
CH3COOHNaOH = NaCH3COOH2O =>
CH3COOHNaOH = NaCH3COOH2O
Sn + HNO3 + H2O = H2SnO3 + NO =>
3 Sn + 4 HNO3 + H2O = 3 H2SnO3 + 4 NO
Sc2O3 + H2S = Sc2S3 + H2O =>
Sc2O3 + 3 H2S = Sc2S3 + 3 H2O
C57H110O6 + O2 = CO2 + H2O =>
2 C57H110O6 + 163 O2 = 114 CO2 + 110 H2O
N2O(g) + H2O(l) = NH3(g) + O2(g) =>
N2O(g) + 3 H2O(l) = 2 NH3(g) + 2 O2(g)
Ba(NO3)2 + Na(OH) = Ba(OH)2 + Na(NO3) =>
Ba(NO3)2 + 2 Na(OH) = Ba(OH)2 + 2 Na(NO3)
KNO3 + H2SO4 + Hg = K2SO4 + HgSO4 + H2O + NO =>
2 KNO3 + 4 H2SO4 + 3 Hg = K2SO4 + 3 HgSO4 + 4 H2O + 2 NO
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
Sn + HNO3 + H2O = H2SnO3 + NO =>
3 Sn + 4 HNO3 + H2O = 3 H2SnO3 + 4 NO
I2{-} + OH{-} = I{-} + IO3{-} + H2O =>
6 I2{-} + 6 OH{-} = 11 I{-} + IO3{-} + 3 H2O
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
Nb2O5 + CCl4 = NbCl5 + COCl2 =>
Nb2O5 + 5 CCl4 = 2 NbCl5 + 5 COCl2
Sn + HNO3 + H2O = H2SnO3 + NO =>
3 Sn + 4 HNO3 + H2O = 3 H2SnO3 + 4 NO
Ca + Fe(OH)3 = CaOH + Fe =>
3 Ca + Fe(OH)3 = 3 CaOH + Fe
Hg2(NO3)2 + K2CrO4 = Hg2(CrO4)2 + K2NO3 =>
Hg2(NO3)2 + 2 K2CrO4 = Hg2(CrO4)2 + 2 K2NO3
CH3NH3HSO4 + BaCl2 = Ba(HSO4)2 + CH3NH3Cl =>
2 CH3NH3HSO4 + BaCl2 = Ba(HSO4)2 + 2 CH3NH3Cl
KNO3 + H2SO4 + Hg = K2SO4 + HgSO4 + H2O + NO =>
2 KNO3 + 4 H2SO4 + 3 Hg = K2SO4 + 3 HgSO4 + 4 H2O + 2 NO
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
KMnO4 + K2S2O3 + H2O = MnO2 + K2SO4 + KOH =>
8 KMnO4 + 3 K2S2O3 + H2O = 8 MnO2 + 6 K2SO4 + 2 KOH
B2O3 + Cl2 + C = BCl3 + CO2 =>
2 B2O3 + 6 Cl2 + 3 C = 4 BCl3 + 3 CO2
SO2(s) + H2S(g) = S + H2O =>
SO2(s) + 2 H2S(g) = 3 S + 2 H2O
CuSO4*5H2O + K2C2O4*H2O = Cu(C2O4) + H2O + SO4 + K =>
CuSO4*5H2O + K2C2O4*H2O = Cu(C2O4) + 6 H2O + SO4 + 2 K
SO2 + KOH = KO + S(OH)2 =>
SO2 + 2 KOH = 2 KO + S(OH)2
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
KNO3 + CaCl2 + H2O = KClO3 + Ca(OH)2 + N2H2 =>
2 KNO3 + CaCl2 + 2 H2O = 2 KClO3 + Ca(OH)2 + N2H2
Cl2 + NaOH = NaCl + NaOCl + H2O =>
Cl2 + 2 NaOH = NaCl + NaOCl + H2O
Sn + HNO3 + H2O = H2SnO3 + NO =>
3 Sn + 4 HNO3 + H2O = 3 H2SnO3 + 4 NO
Sc2O3 + H2S = Sc2S3 + H2O =>
Sc2O3 + 3 H2S = Sc2S3 + 3 H2O
Si2H3 + O2 = Si02 + H2O3 =>
4 Si2H3 + 9 O2 = 4 Si02 + 6 H2O3
SnCl4 + (NH4)2S = NH4Cl + SnS2 =>
SnCl4 + 2(NH4)2S = 4 NH4Cl + SnS2
KMnO4 + H2SO4 + NaSO3 = MnSO4 + NaSO4 + K2SO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 NaSO3 = 2 MnSO4 + 5 NaSO4 + K2SO4 + 3 H2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
C15H31COOH + O2 = C + H2O =>
C15H31COOH + 7 O2 = 16 C + 16 H2O
C2H5COOH + H2O = CH5COO + H3O =>
2 C2H5COOH + 3 H2O = 3 CH5COO + H3O
SnCl4 + (NH4)2S = NH4Cl + SnS2 =>
SnCl4 + 2(NH4)2S = 4 NH4Cl + SnS2
CIO2 + H2O = HCIO3 + HCI =>
6 CIO2 + 3 H2O = 5 HCIO3 + HCI
KNO3 + H2SO4 + Hg = K2SO4 + HgSO4 + H2O + NO =>
2 KNO3 + 4 H2SO4 + 3 Hg = K2SO4 + 3 HgSO4 + 4 H2O + 2 NO
C15H31COOH + O2 = CO + H2O =>
C15H31COOH + 15 O2 = 16 CO + 16 H2O
K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O = K2Cr2O7 + H2SO4 + FeSO4 =>
K2SO4 + 3 Fe2(SO4)3 + Cr2(SO4)3 + 7 H2O = K2Cr2O7 + 7 H2SO4 + 6 FeSO4
SnCl4 + (NH4)2S = NH4Cl + SnS2 =>
SnCl4 + 2(NH4)2S = 4 NH4Cl + SnS2
C15H31COOH + O2 = CO + H2O =>
C15H31COOH + 15 O2 = 16 CO + 16 H2O
CIO2 + H2O = HCIO3 + HCI =>
6 CIO2 + 3 H2O = 5 HCIO3 + HCI
CH3OONa + H2SO4 = CH3OOH + Na2SO4 =>
2 CH3OONa + H2SO4 = 2 CH3OOH + Na2SO4
Na2S + H2SO4 = H2S + Na2SO4 =>
Na2S + H2SO4 = H2S + Na2SO4
CIO2 + H2O = HCIO3 + HCI =>
6 CIO2 + 3 H2O = 5 HCIO3 + HCI
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