| Équations équilibrées la veille |
2 Ag + CuSO4 = Ag2SO4 + Cu
KBrO3 + SbCl3 + HCl = SbCl5 + KBr + H2O =>
KBrO3 + 3 SbCl3 + 6 HCl = 3 SbCl5 + KBr + 3 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
PbSO4 + KCl = PbCl2 + K2SO4 =>
PbSO4 + 2 KCl = PbCl2 + K2SO4
Cu + HNO3 + H2SO4 = CuSO4 + NO + H2O =>
3 Cu + 2 HNO3 + 3 H2SO4 = 3 CuSO4 + 2 NO + 4 H2O
(NH4)3PO4(aq) + NaOH(aq) = Na3PO4(aq) + NH3(aq) + H2O =>
(NH4)3PO4(aq) + 3 NaOH(aq) = Na3PO4(aq) + 3 NH3(aq) + 3 H2O
KI + NaNO2 + CH3COOH = I2 + NO + CH3COOK + CH3COONa + H2O =>
2 KI + 2 NaNO2 + 4 CH3COOH = I2 + 2 NO + 2 CH3COOK + 2 CH3COONa + 2 H2O
NiCl2(H2O)6 + C6H4NNaO5S = NiC12H8N2O10S2 + NaCl + H2O =>
NiCl2(H2O)6 + 2 C6H4NNaO5S = NiC12H8N2O10S2 + 2 NaCl + 6 H2O
MnO2 + KOH + HNO3 = K2MnO4 + KNO2 + H2O =>
MnO2 + 3 KOH + HNO3 = K2MnO4 + KNO2 + 2 H2O
HgCH3COO + LiCl = LiCH3COO + HgCl =>
HgCH3COO + LiCl = LiCH3COO + HgCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Sr(OH)2 + H3PO4 = Sr3(PO4)2 + H2O =>
3 Sr(OH)2 + 2 H3PO4 = Sr3(PO4)2 + 6 H2O
KI + Pb(NO3)2 = PbI2 + KNO3 =>
2 KI + Pb(NO3)2 = PbI2 + 2 KNO3
CH4(g) + O2(g) = CO2(g) + H2O(g) =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(g)
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Si + Ca(OH)2 + H2O = H2 + CaSi3O7 =>
3 Si + Ca(OH)2 + 5 H2O = 6 H2 + CaSi3O7
CrO3 + KOH = K2CrO4 + H2O =>
CrO3 + 2 KOH = K2CrO4 + H2O
FeBr3 + CaSO4 = CaBr2 + Fe2(SO4)3 =>
2 FeBr3 + 3 CaSO4 = 3 CaBr2 + Fe2(SO4)3
Sc + H2CO3 = Sc(CO3) + H2 =>
Sc + H2CO3 = Sc(CO3) + H2
AgCH3Co2 + HCl = AgCl + CH4Co2 =>
AgCH3Co2 + HCl = AgCl + CH4Co2
Pb(CH3COO)2 + C2H5OH = Pb(OH)2 + C2H5 + COO =>
9 Pb(CH3COO)2 + 14 C2H5OH = 9 Pb(OH)2 + 24 C2H5 + 16 COO
CUCO2(s) = CUO(s) + CO(g) =>
CUCO2(s) = CUO(s) + CO(g)
AuCl3 = Au + Cl2 =>
2 AuCl3 = 2 Au + 3 Cl2
CuCl2 + AlNO3 = Cu(NO3)2 + AlCl =>
CuCl2 + 2 AlNO3 = Cu(NO3)2 + 2 AlCl
Br + CuS = S + CuBr =>
Br + CuS = S + CuBr
NO2 + H2O = HNO3(aq) + NO(g) =>
3 NO2 + H2O = 2 HNO3(aq) + NO(g)
H3PO2 + KMnO4 + H2SO4 = MnSO4 + H2O + H3PO4 + K2SO4 =>
5 H3PO2 + 4 KMnO4 + 6 H2SO4 = 4 MnSO4 + 6 H2O + 5 H3PO4 + 2 K2SO4
Al2(SO4)3 + BaS + H2O = BaSO4 + Al(OH)3 + H2S =>
Al2(SO4)3 + 3 BaS + 6 H2O = 3 BaSO4 + 2 Al(OH)3 + 3 H2S
Na2CO3 + HNO2 = NaNO2 + CO2 + H2O =>
Na2CO3 + 2 HNO2 = 2 NaNO2 + CO2 + H2O
(CH3)3SnCl + CH3(CH2)2CH3 = (CH3)3Sn(CH2)3CH3 + HCl =>
(CH3)3SnCl + CH3(CH2)2CH3 = (CH3)3Sn(CH2)3CH3 + HCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH3CH(OH)CH2CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3(CO)CH2CH3 + H2O =>
5 CH3CH(OH)CH2CH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO2 + 5 CH3(CO)CH2CH3 + 9 H2O
Ti + N2 = Ti3N4 =>
3 Ti + 2 N2 = Ti3N4
I + OCl = IO3 + Cl =>
I + 3 OCl = IO3 + 3 Cl
C3H8O + Cu2O = C3H8 + CuO =>
C3H8O + Cu2O = C3H8 + 2 CuO
AgOH + BaCl2 = AgCl + Ba(OH)2 =>
2 AgOH + BaCl2 = 2 AgCl + Ba(OH)2
Ni(NO3)2 + BiCl3 = NiCl2 + Bi(NO3)3 =>
3 Ni(NO3)2 + 2 BiCl3 = 3 NiCl2 + 2 Bi(NO3)3
CH4 + H2O = H2 + CO =>
CH4 + H2O = 3 H2 + CO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ag(s) + HBr(aq) = AgBr3(aq) + H2(g) =>
2 Ag(s) + 6 HBr(aq) = 2 AgBr3(aq) + 3 H2(g)
TiCl4 + Ti = TiCl3 =>
3 TiCl4 + Ti = 4 TiCl3
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
PB(No3)2 + KI = KNo3 + PBI2 =>
PB(No3)2 + 2 KI = 2 KNo3 + PBI2
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
FeCl2 + K2CO3 = FeCO3 + KCl =>
FeCl2 + K2CO3 = FeCO3 + 2 KCl
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C2H5N(CH3)2 + O2 = CO2 + H2O + N2 =>
4 C2H5N(CH3)2 + 27 O2 = 16 CO2 + 22 H2O + 2 N2
Ba(NO3)2 + KHSO4 = BaSO4 + K2SO4 + HNO3 =>
Ba(NO3)2 + 2 KHSO4 = BaSO4 + K2SO4 + 2 HNO3
EuC2 = Eu + C =>
EuC2 = Eu + 2 C
COF2 + NH3 = NH4F + CON2H4 =>
COF2 + 4 NH3 = 2 NH4F + CON2H4
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