| Équations équilibrées la veille |
2 KBr + H2O = 2 HBr + K2O
CeC2 + H2O = Ce(OH)4 + C2H4 =>
CeC2 + 4 H2O = Ce(OH)4 + C2H4
CuCl2 + H2O2 = CuO2 + HCl =>
CuCl2 + H2O2 = CuO2 + 2 HCl
N2H2 + N2O4 = N2 + H2O =>
4 N2H2 + N2O4 = 5 N2 + 4 H2O
AlBr3 + CuCl2 = AlCl2 + CuBr3 =>
AlBr3 + CuCl2 = AlCl2 + CuBr3
AgNO3 + NH4Cl = AgCl + N2H8 + NO3 =>
2 AgNO3 + 2 NH4Cl = 2 AgCl + N2H8 + 2 NO3
FeSe + O2 = FeSeO2 =>
FeSe + O2 = FeSeO2
NaOH + HClO2 = NaCl + H2O + O2 =>
NaOH + HClO2 = NaCl + H2O + O2
KMnO4 + C6H5CH2CH3 + KOH = K2MnO4 + C6H5COOH + H2O =>
54 KMnO4 + 7 C6H5CH2CH3 + 54 KOH = 54 K2MnO4 + 8 C6H5COOH + 38 H2O
C7H8 + KMnO4 + Na2Co3 = C6H5COOH + MnO2 + NaOH + K2Co3 =>
C7H8 + 2 KMnO4 + Na2Co3 = C6H5COOH + 2 MnO2 + 2 NaOH + K2Co3
K + H2O = HKOH =>
K + H2O = HKOH
S3H2 + O2 = SO2 + H2O =>
2 S3H2 + 7 O2 = 6 SO2 + 2 H2O
H2CO3 + NaOH = H2O + NaHCO3 = =>
H2CO3 + NaOH = H2O + NaHCO3
C6H12O6 + O2(g) = CO2(g) + H2O(g) =>
C6H12O6 + 6 O2(g) = 6 CO2(g) + 6 H2O(g)
H2O + NH4CNS = NH4OH + HCNS =>
H2O + NH4CNS = NH4OH + HCNS
Cu(OH)2 + HBr = CuBr + H(OH)2 =>
Cu(OH)2 + HBr = CuBr + H(OH)2
Ca(AlO2)2 + HCl = AlCl3 + H2O + CaCl2 =>
Ca(AlO2)2 + 8 HCl = 2 AlCl3 + 4 H2O + CaCl2
CO2{+} + NO2{-} + H{+} = CO3{+} + NO + H2O =>
CO2{+} + 2 NO2{-} + 2 H{+} = CO3{+} + 2 NO + H2O
Cu(OH)2 + HBr = CuBr + H(OH)2 =>
Cu(OH)2 + HBr = CuBr + H(OH)2
NH3 + N2O = N12 + H2O =>
6 NH3 + 9 N2O = 2 N12 + 9 H2O
H + HF = H2F =>
H + HF = H2F
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
Cr2O3 + 3 KNO3 + 4 KOH = 2 K2CrO4 + 3 KNO2 + 2 H2O
VCl5 + Na3PO4 = V3(PO4)5 + NaCl =>
3 VCl5 + 5 Na3PO4 = V3(PO4)5 + 15 NaCl
MgSO4 + (C2H5)2O = Mg(OH)2 + MgCO3 + S(OH)2 + C2 =>
6 MgSO4 + 2(C2H5)2O = 4 Mg(OH)2 + 2 MgCO3 + 6 S(OH)2 + 3 C2
P2O3 + H2O = H3PO4 + H2 =>
P2O3 + 5 H2O = 2 H3PO4 + 2 H2
Fe2O3 + Zn = Fe2 + ZnO =>
Fe2O3 + 3 Zn = Fe2 + 3 ZnO
Al2O3 + C = Al + C2O4 =>
4 Al2O3 + 6 C = 8 Al + 3 C2O4
Cr(OH)3 + Ca(ClO)2 = CaCrO4 + CaCl2 + Cl2 + H2O =>
4 Cr(OH)3 + 5 Ca(ClO)2 = 4 CaCrO4 + CaCl2 + 4 Cl2 + 6 H2O
MgO2 + Zn = Mg + ZnO2 =>
MgO2 + Zn = Mg + ZnO2
Fe(NO3)3 + KI + Na2S2O3 = NaI + Fe2(S2O3)3 + KNO3 =>
2 Fe(NO3)3 + 6 KI + 3 Na2S2O3 = 6 NaI + Fe2(S2O3)3 + 6 KNO3
Cl2O7 + NaOH = NaCl + H2 + O2 =>
2 Cl2O7 + 4 NaOH = 4 NaCl + 2 H2 + 9 O2
C6H5CH2Br + CH3OC6H4OH = C6H5CH2OCH3OC6H4 + HBr =>
C6H5CH2Br + CH3OC6H4OH = C6H5CH2OCH3OC6H4 + HBr
(C3H6)2(g) + O2(g) = CO2(g) + H2O(g) =>
(C3H6)2(g) + 9 O2(g) = 6 CO2(g) + 6 H2O(g)
P4 + H2 + BCl3 = HCl + BP =>
P4 + 6 H2 + 4 BCl3 = 12 HCl + 4 BP
BrO{-} + Ag{+} + H2O = BrO3{-} + Ag + H{+} =>
BrO{-} + 4 Ag{+} + 2 H2O = BrO3{-} + 4 Ag + 4 H{+}
Mg + K2O = MgO + K2 =>
Mg + K2O = MgO + K2
BaO + HBr = BaBr + OH =>
BaO + HBr = BaBr + OH
Au + H2O = Au(OH)2 + H2 =>
Au + 2 H2O = Au(OH)2 + H2
Cr2O7{2-} + H2O2 + H3O{+} = CrO(O2)2 + H2O =>
Cr2O7{2-} + 4 H2O2 + 2 H3O{+} = 2 CrO(O2)2 + 7 H2O
BaSO4 + ZnS + HCl = BaCl2 + ZnCl2 + SO2 + H2O =>
3 BaSO4 + ZnS + 8 HCl = 3 BaCl2 + ZnCl2 + 4 SO2 + 4 H2O
Zn(OH)2 + NH3 = Zn + NO3 + OH3H2O =>
7 Zn(OH)2 + 2 NH3 = 7 Zn + 2 NO3 + 4 OH3H2O
Si + KOH = K2SiO2 + H2 =>
Si + 2 KOH = K2SiO2 + H2
C8H + O2 = CO2 + H2O =>
4 C8H + 33 O2 = 32 CO2 + 2 H2O
NaHCO3(s) + H2SO4(aq) = H2CO3 + NaHSO4 =>
NaHCO3(s) + H2SO4(aq) = H2CO3 + NaHSO4
Mg + K2O = MgO + K2 =>
Mg + K2O = MgO + K2
CrO3 + HCl + CH3OH = Cr(OH)Cl + CO2 + H2O =>
3 CrO3 + 3 HCl + 2 CH3OH = 3 Cr(OH)Cl + 2 CO2 + 4 H2O
H2O(l) = H2(g) + O2(g) =>
2 H2O(l) = 2 H2(g) + O2(g)
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O =>
K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 4 H2O + 3 O
C4H10(s) + O2(g) = CO2 + H2O =>
2 C4H10(s) + 13 O2(g) = 8 CO2 + 10 H2O
Cr2O3 + KOH + O2 = K2CrO4 + H2O =>
2 Cr2O3 + 8 KOH + 3 O2 = 4 K2CrO4 + 4 H2O
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