| Équations équilibrées la veille |
Cu + 2 HgNO3 = Cu(NO3)2 + 2 Hg
C6H12O6 + O2 = CO2 + H2O = C6H12O6 + O2 = C = H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Sn(s)AgNO3(aq) = Ag(s)SnNO3(aq) =>
Sn(s)AgNO3(aq) = Ag(s)SnNO3(aq)
K2Cr2O7 + H2SO4 + NaNO2 = K2SO4 + Cr(SO4) + NaNO3 + H2O =>
K2Cr2O7 + 3 H2SO4 + 4 NaNO2 = K2SO4 + 2 Cr(SO4) + 4 NaNO3 + 3 H2O
MgCl2 + Zn = Mg + ZnCl2 =>
MgCl2 + Zn = Mg + ZnCl2
Cr(NO3)3 + NaOH = Na(NO3)3 + Cr(OH) =>
Cr(NO3)3 + NaOH = Na(NO3)3 + Cr(OH)
CH3CHO + (CH3CO)2O = CH3CH(CH3CO2)2 =>
CH3CHO + (CH3CO)2O = CH3CH(CH3CO2)2
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
HOH + CaO = Ca(OH)2 =>
HOH + CaO = Ca(OH)2
B2H6 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + B =>
5 B2H6 + 6 KMnO4 + 9 H2SO4 = 24 H2O + 3 K2SO4 + 6 MnSO4 + 10 B
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
MgCl2 + Zn = Mg + ZnCl2 =>
MgCl2 + Zn = Mg + ZnCl2
Fe2S + H2SO4 = Fe2SO4(aq) + H2S(g) =>
Fe2S + H2SO4 = Fe2SO4(aq) + H2S(g)
CaCl2 + Cr(No3)3 = Ca(No3)2 + CrCl3 =>
3 CaCl2 + 2 Cr(No3)3 = 3 Ca(No3)2 + 2 CrCl3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CuCl22(H2O) = CuCl + Cl2 + H2O =>
2 CuCl22(H2O) = 2 CuCl + 21 Cl2 + 2 H2O
MnO4 + CH3OH = Mn + HCO2H + H =>
MnO4 + 4 CH3OH = Mn + 4 HCO2H + 8 H
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
TiO2 + LiOH = Li4Ti5O12 + H2O =>
5 TiO2 + 4 LiOH = Li4Ti5O12 + 2 H2O
Rb + H2O = RbOH + H2 =>
2 Rb + 2 H2O = 2 RbOH + H2
Br2 + NaI = NaBr + I2 =>
Br2 + 2 NaI = 2 NaBr + I2
ZnAgCN = ZnCNAg =>
ZnAgCN = ZnCNAg
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
HCl(g) + F2(g) = HF(g) + Cl2(g) =>
2 HCl(g) + F2(g) = 2 HF(g) + Cl2(g)
Pb(NO3)2 + HBr = PbBr2 + H(NO3) =>
Pb(NO3)2 + 2 HBr = PbBr2 + 2 H(NO3)
Fe3 + Cu2SO4 = Cu + Fe3SO4 =>
Fe3 + Cu2SO4 = 2 Cu + Fe3SO4
Ca(CO3) + HCl = CaCl2 + H2CO3 =>
Ca(CO3) + 2 HCl = CaCl2 + H2CO3
Al(CH3COO)3 + CaCrO4 = Al2(CrO4)3 + Ca(CH3COO)2 =>
2 Al(CH3COO)3 + 3 CaCrO4 = Al2(CrO4)3 + 3 Ca(CH3COO)2
H2SO4(conc) + C = CO2 + SO2 + H2O =>
2 H2SO4(conc) + C = CO2 + 2 SO2 + 2 H2O
Cd + P = CdP =>
Cd + P = CdP
FeS2 + HNO3 = Fe(NO3)3 + H2SO4 + NO + H2O =>
FeS2 + 8 HNO3 = Fe(NO3)3 + 2 H2SO4 + 5 NO + 2 H2O
Li3N + H2O = LiOH + NH3 =>
Li3N + 3 H2O = 3 LiOH + NH3
CuSO4 + K4Fe(CN)6 = Cu2[Fe(CN)6] + K2SO4 =>
2 CuSO4 + K4Fe(CN)6 = Cu2[Fe(CN)6] + 2 K2SO4
Cu2SO4 + Zn = Cu2 + ZnSO4 =>
Cu2SO4 + Zn = Cu2 + ZnSO4
PbCl2 + HCl = H2[PbCl4] =>
PbCl2 + 2 HCl = H2[PbCl4]
C6H9AlO6 + K2CO3 = Al2(CO3)3 + CH3CO2K =>
2 C6H9AlO6 + 3 K2CO3 = Al2(CO3)3 + 6 CH3CO2K
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NaBr = Na + Br =>
NaBr = Na + Br
Pb(NO3)2 + NaCH3OO = PbCH3OO + Na(NO3)2 =>
Pb(NO3)2 + NaCH3OO = PbCH3OO + Na(NO3)2
ClO3{-} + H2O + {-} = Cl{-} + OH{-} =>
ClO3{-} + 3 H2O + 6e = Cl{-} + 6 OH{-}
K2SO4 + Re(CO3)3 = K2CO3 + Re(SO4)3 =>
3 K2SO4 + Re(CO3)3 = 3 K2CO3 + Re(SO4)3
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
H2SO3 + H2SeO4 = H2SO4 + SeO2 + H2O =>
H2SO3 + H2SeO4 = H2SO4 + SeO2 + H2O
CO2 = CO + O2 =>
2 CO2 = 2 CO + O2
OH{-} + [Fe(H2O)6]{3}{+} = Fe(H2O)3(OH)3 + H2O =>
3 OH{-} + [Fe(H2O)6]{3}{+} = Fe(H2O)3(OH)3 + 3 H2O
ZnOCa(OH)2 = Zn(OH)2CaO =>
ZnOCa(OH)2 = Zn(OH)2CaO
CH3CHO + MnO4{-} + OH{-} = CH3COO{-} + MnO4{2-} + H2O =>
CH3CHO + 2 MnO4{-} + 3 OH{-} = CH3COO{-} + 2 MnO4{2-} + 2 H2O
CuSO4 + Na2S = CuS + Na2SO4 =>
CuSO4 + Na2S = CuS + Na2SO4
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
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