Équations équilibrées la veille |
2 KMn04 + 20 HBr = 8 MnBr2 + 2 KBr + H20Br2
NaC6H5COO + H2O = Na + OH + C6H5COOH =>
NaC6H5COO + H2O = Na + OH + C6H5COOH
FeCl2 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + Cl2 + H2O =>
2 FeCl2 + K2Cr2O7 + 7 H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 2 Cl2 + 7 H2O
PbSO4 + MgCl2 = MgSO4 + PbCl2 =>
PbSO4 + MgCl2 = MgSO4 + PbCl2
O2 + C6H12 = C6H10 + H2O =>
O2 + 2 C6H12 = 2 C6H10 + 2 H2O
FeCl2 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + Cl2 + H2O =>
2 FeCl2 + K2Cr2O7 + 7 H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 2 Cl2 + 7 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CaCl2 + CaCO3 = Ca2CO3 + Cl2 =>
CaCl2 + CaCO3 = Ca2CO3 + Cl2
Cr2O3 + SO3 = Cr2(SO4)3 =>
Cr2O3 + 3 SO3 = Cr2(SO4)3
P5O10 = P + O2 =>
P5O10 = 5 P + 5 O2
C2H5OH + KMnO4 + NaOH = CH3COOH + H2O + K2MnO4 + Na2MnO4 =>
C2H5OH + 4 KMnO4 + 4 NaOH = CH3COOH + 3 H2O + 2 K2MnO4 + 2 Na2MnO4
FeSO4(NH4)2SO4*6H2O + H2C2O4*2H2O = FeC2O4 + (NH4)2SO4 + H2SO4 + H2O =>
FeSO4(NH4)2SO4*6H2O + H2C2O4*2H2O = FeC2O4 + (NH4)2SO4 + H2SO4 + 8 H2O
Co(NO3)2*6H2O + Na2CO3 = Co(CO3) + NaNO3 + H2O =>
Co(NO3)2*6H2O + Na2CO3 = Co(CO3) + 2 NaNO3 + 6 H2O
HgO + Au = HgAu + O2 =>
2 HgO + 2 Au = 2 HgAu + O2
Hg(NO3)2 + K2CO3 = HgCO3 + KNO3 =>
Hg(NO3)2 + K2CO3 = HgCO3 + 2 KNO3
NaHCO3 + H2SO4 = Na2SO4 + H2O + CO2 =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
FeCl2 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + Cl2 + H2O =>
2 FeCl2 + K2Cr2O7 + 7 H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 2 Cl2 + 7 H2O
CaO + NO = CaNO2 =>
CaO + NO = CaNO2
Ni2S3 + FeSO3 = Ni2(SO3)3 + FeS =>
Ni2S3 + 3 FeSO3 = Ni2(SO3)3 + 3 FeS
CuCl2 + CH3CSNH2 = [Cu(CH3CSNH2)2]Cl2 =>
CuCl2 + 2 CH3CSNH2 = [Cu(CH3CSNH2)2]Cl2
CrCl3 + F2 = Cr + FCl =>
2 CrCl3 + 3 F2 = 2 Cr + 6 FCl
CuI3 + Ba = BaI2 + Cu =>
2 CuI3 + 3 Ba = 3 BaI2 + 2 Cu
Ag + HNO3(k) = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3(k) = AgNO3 + NO2 + H2O
K2Cr2O7 + FeCl2 + H2SO4 = Cr2(SO4)3 + K2SO4 + FeCl3 + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 6 FeCl2 + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 4 FeCl3 + Fe2(SO4)3 + 7 H2O
KMnO4 + K2SO3 + NaOH = K2MnO4 + Na2SO4 + H2O =>
2 KMnO4 + K2SO3 + 2 NaOH = 2 K2MnO4 + Na2SO4 + H2O
FeCl2 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O + HCl =>
6 FeCl2 + K2Cr2O7 + 13 H2SO4 = 3 Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 7 H2O + 12 HCl
AgNO3(aq) + KBr(s) = AgBr + KNO3 =>
AgNO3(aq) + KBr(s) = AgBr + KNO3
SmO = Sm + O2 =>
2 SmO = 2 Sm + O2
Al(s) + NaOH(aq) = Na3AlO3(aq) + H2(aq) =>
2 Al(s) + 6 NaOH(aq) = 2 Na3AlO3(aq) + 3 H2(aq)
Au + HClO + HCl = HAuCl4 + H2O =>
2 Au + 3 HClO + 5 HCl = 2 HAuCl4 + 3 H2O
Na2Cr2O7 + KOH = NaOH + K2Cr2O7 =>
Na2Cr2O7 + 2 KOH = 2 NaOH + K2Cr2O7
C3H6 + H3PO4 = H2CO3 + HPO2 + H2O =>
C3H6 + 9 H3PO4 = 3 H2CO3 + 9 HPO2 + 9 H2O
H3PO4 + NaOH = NaH2PO4 + H2O(l) =>
H3PO4 + NaOH = NaH2PO4 + H2O(l)
BaO + HNO3 = Ba(NO3)2 + H2O =>
BaO + 2 HNO3 = Ba(NO3)2 + H2O
C6H5CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C6H5COH + H2O =>
3 C6H5CH2OH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 C6H5COH + 7 H2O
FeCO3 + Ca(NO3)2 = Fe(NO3)2 + CaCO3 =>
FeCO3 + Ca(NO3)2 = Fe(NO3)2 + CaCO3
C6H5NH3Cl + NaOH = C6H5NH2 + H2O + NaCl =>
C6H5NH3Cl + NaOH = C6H5NH2 + H2O + NaCl
H2S + Cl2O = H2O + Cl2S =>
H2S + Cl2O = H2O + Cl2S
Fe2(SO4)3 + H2O = Fe2(SO4)3(H2O)3 =>
Fe2(SO4)3 + 3 H2O = Fe2(SO4)3(H2O)3
Cl{2} + NaI = NaCl + I{2} =>
Cl{2} + NaI = NaCl + I{2}
NH4Cl + NaOH = NH3 + H2O + NaCl = =>
NH4Cl + NaOH = NH3 + H2O + NaCl
CoCl2 + Co3(NH4)2 = Co(NH4) + Cl2(Co3) =>
CoCl2 + 2 Co3(NH4)2 = 4 Co(NH4) + Cl2(Co3)
Na2CO3 + KClO3 = NaO4 + CO2 + KCl =>
3 Na2CO3 + 7 KClO3 = 6 NaO4 + 3 CO2 + 7 KCl
HBO2 + LiOH = LiBO2 + H2O =>
HBO2 + LiOH = LiBO2 + H2O
LiBr + CoSO3 = CoBr2 + Li2SO3 =>
2 LiBr + CoSO3 = CoBr2 + Li2SO3
HClO4 + H2O = H3O + ClO4 =>
HClO4 + H2O = H3O + ClO4
HF + Fe = FeF2 + H2 =>
2 HF + Fe = FeF2 + H2
C18H34O2 + Ca(OH)2 = C17H33COOCa + H2O + O3 =>
6 C18H34O2 + 6 Ca(OH)2 = 6 C17H33COOCa + 9 H2O + O3
FeCl2 + H2SO4 = FeCl3 + Fe2(SO4)3 + SO2 + H2O =>
6 FeCl2 + 6 H2SO4 = 4 FeCl3 + Fe2(SO4)3 + 3 SO2 + 6 H2O
PB(CH3COO)2 + KI = PBI2 + KCH3COO =>
PB(CH3COO)2 + 2 KI = PBI2 + 2 KCH3COO
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