| Équations équilibrées la veille |
2 HCHO + H2O = CH3OH + HCOOH
SiF4(s) + H2O(l) = H2SiF6(s) + H2SiO3(s) =>
3 SiF4(s) + 3 H2O(l) = 2 H2SiF6(s) + H2SiO3(s)
Fe2O3 + Cl2 + C = FeCl3 + CO2 =>
2 Fe2O3 + 6 Cl2 + 3 C = 4 FeCl3 + 3 CO2
P + N2O = N2 + P2O5 =>
2 P + 5 N2O = 5 N2 + P2O5
NH4NO3 + C = N2 + CO2 + H2O =>
2 NH4NO3 + C = 2 N2 + CO2 + 4 H2O
Al2(SO4)3 + Ba(HCO3)2 = Al(HCO3)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(HCO3)2 = 2 Al(HCO3)3 + 3 BaSO4
Na2S4O6 + HCl + Al = NaCl + Al2Cl6 + H2O + H2S =>
Na2S4O6 + 20 HCl + 6 Al = 2 NaCl + 3 Al2Cl6 + 6 H2O + 4 H2S
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
HCl + HF = H2 + ClF =>
HCl + HF = H2 + ClF
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
Al(OH)3 + P2O5 = Al3(PO4)3 + H2O =>
6 Al(OH)3 + 3 P2O5 = 2 Al3(PO4)3 + 9 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
P4O6 = P4 + P2O4 =>
4 P4O6 = P4 + 6 P2O4
Cu + Na2S = CuS + Na =>
Cu + Na2S = CuS + 2 Na
CH5N + O2 = CO + H2O + NO =>
4 CH5N + 9 O2 = 4 CO + 10 H2O + 4 NO
Cr(NO3)3 + H2O = Cr + O2 + HNO3 =>
4 Cr(NO3)3 + 6 H2O = 4 Cr + 3 O2 + 12 HNO3
Na2O + H2 = NaH + H2O =>
Na2O + 2 H2 = 2 NaH + H2O
Ni + H = NiH3 =>
Ni + 3 H = NiH3
C9H8O2 + Br2 = C9H8O2Br2 =>
C9H8O2 + Br2 = C9H8O2Br2
C3H8O2 + HCl = C3H6Cl2 + H2O =>
C3H8O2 + 2 HCl = C3H6Cl2 + 2 H2O
NO3 + H2O = H2NO4 =>
NO3 + H2O = H2NO4
Sr(NO3)2 + Fe(NO3)3*9H2O + Bi(NO3)3*5H2O + C2H5NO2 = Bi7Sr3FeO3 + H2O + CO2 + N2 =>
9 Sr(NO3)2 + 3 Fe(NO3)3*9H2O + 21 Bi(NO3)3*5H2O + 58 C2H5NO2 = 3 Bi7Sr3FeO3 + 277 H2O + 116 CO2 + 74 N2
CaCO3 + K2CrO4 = CaCrO4 + K2CO3 =>
CaCO3 + K2CrO4 = CaCrO4 + K2CO3
CuCl{2} + NaNO{3} = Cu(NO{3}){2} + NaCl =>
CuCl{2} + NaNO{3} = Cu(NO{3}){2} + NaCl
Cu + CaCl2 = CuCl + Ca =>
2 Cu + CaCl2 = 2 CuCl + Ca
K2CO3 + Ca(OH)2 = KOH + CaCO3 =>
K2CO3 + Ca(OH)2 = 2 KOH + CaCO3
BH3 + H2O = H3BO3 + H2 =>
BH3 + 3 H2O = H3BO3 + 3 H2
Eu + H2O = Eu2O3 + H2 =>
2 Eu + 3 H2O = Eu2O3 + 3 H2
KClO2(heat) = KCl + O2 =>
KClO2(heat) = KCl + O2
(NH4)2Se + HCl = NH4Cl + H2Se =>
(NH4)2Se + 2 HCl = 2 NH4Cl + H2Se
Sr(OH)2 + Ga2(SO4)3 = Sr(SO4) + Ga(OH)3 =>
3 Sr(OH)2 + Ga2(SO4)3 = 3 Sr(SO4) + 2 Ga(OH)3
CH3CBr3 + O2 = CO2 + HBr =>
CH3CBr3 + 2 O2 = 2 CO2 + 3 HBr
P4 + H2O + KOH = PH3 + KH2PO4 =>
2 P4 + 9 H2O + 3 KOH = 5 PH3 + 3 KH2PO4
H2PO4 + H2O = H3O + (HPO4)2 =>
2 H2PO4 + 2 H2O = 2 H3O + (HPO4)2
Mg(NO3)2 + Fe2(SO4)3 = MgSO4 + Fe(NO3)3 =>
3 Mg(NO3)2 + Fe2(SO4)3 = 3 MgSO4 + 2 Fe(NO3)3
ZnCl2 + Na2SO4 = ZnSO4 + NaCl =>
ZnCl2 + Na2SO4 = ZnSO4 + 2 NaCl
H2SO4 + Pt(OH)4 = PtSO4 + O2 + H2O =>
2 H2SO4 + 2 Pt(OH)4 = 2 PtSO4 + O2 + 6 H2O
KMnO4 + C = K2MnO4 + MnO2 + CO2 =>
2 KMnO4 + C = K2MnO4 + MnO2 + CO2
CH3 + O2 = H2O + CH3COOH =>
4 CH3 + 3 O2 = 2 H2O + 2 CH3COOH
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Al(s) + FeO(s) = Al2O3(s) + Fe(l) =>
2 Al(s) + 3 FeO(s) = Al2O3(s) + 3 Fe(l)
C6H12O9 + O2 = CO2 + H2O =>
2 C6H12O9 + 9 O2 = 12 CO2 + 12 H2O
FeCl2 + K2CO3 = FeCO3 + K2Cl2 =>
FeCl2 + K2CO3 = FeCO3 + K2Cl2
K + Fe(NO3)3 = K(NO3) + Fe =>
3 K + Fe(NO3)3 = 3 K(NO3) + Fe
CH3CHOHCH3 + O2 = CO2 + H2O =>
2 CH3CHOHCH3 + 9 O2 = 6 CO2 + 8 H2O
F + HI = I + FH =>
F + HI = I + FH
CH3COOH + CUCO3 = (CH3COO)2CU + CO2 + H2O =>
2 CH3COOH + CUCO3 = (CH3COO)2CU + CO2 + H2O
Sn + Al2(SO4)3 = SnSO4 + Al =>
3 Sn + Al2(SO4)3 = 3 SnSO4 + 2 Al
SO3 + H2O2 = H2S2O8 =>
2 SO3 + H2O2 = H2S2O8
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
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Équations équilibrées sur10/23/24
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