| Équations équilibrées la veille |
6 C3H6O + 4 K2Cr2O7 + 16 H2SO4 = 9 C2H4O2 + 4 Cr2(SO4)3 + 4 K2SO4 + 16 H2O
BaCl2 + CO3 = BaCO3 + Cl2 =>
BaCl2 + CO3 = BaCO3 + Cl2
Al2(CO3)3 + HOH = Al(OH)3 + CO2 =>
Al2(CO3)3 + 3 HOH = 2 Al(OH)3 + 3 CO2
Cl2(s) + KI(aq) = I2(g) + KCl(aq) =>
Cl2(s) + 2 KI(aq) = I2(g) + 2 KCl(aq)
Br2 + CuO = BrO + Cu =>
Br2 + 2 CuO = 2 BrO + 2 Cu
C2 + H2 + O2 = CH2O =>
C2 + 2 H2 + O2 = 2 CH2O
KMnO4 + C2H6O + NaOH = CH3COOH + H2O + K2MnO4 + Na2MnO4 =>
4 KMnO4 + C2H6O + 4 NaOH = CH3COOH + 3 H2O + 2 K2MnO4 + 2 Na2MnO4
BaCl2 + CO3 = BaCO3 + Cl2 =>
BaCl2 + CO3 = BaCO3 + Cl2
Zn(NO3)2 + KCl = ZnCl2 + KNO3 =>
Zn(NO3)2 + 2 KCl = ZnCl2 + 2 KNO3
Na2SO4 + HBr = Na2SO3 + Br2 + H2O =>
Na2SO4 + 2 HBr = Na2SO3 + Br2 + H2O
H4P2O7 + H2O = H3PO4 =>
H4P2O7 + H2O = 2 H3PO4
O2 + CuS = Cu + SO2 =>
O2 + CuS = Cu + SO2
SrO2 + Fe2O3 + Fe + Re = Sr3FeReO7 =>
9 SrO2 + Fe2O3 + Fe + 3 Re = 3 Sr3FeReO7
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Au(OH)3 + NH3 = Au + N2H4 + H2O =>
2 Au(OH)3 + 6 NH3 = 2 Au + 3 N2H4 + 6 H2O
C10H11IO + CH3NH2 = C11H15NO + HI =>
C10H11IO + CH3NH2 = C11H15NO + HI
Pb(ClO4)2 + NaF = PbF2 + NaClO4 =>
Pb(ClO4)2 + 2 NaF = PbF2 + 2 NaClO4
H3C6H5O2 + NaHCO3 = Na3C6H5O7 + H2O + CO2 =>
9 H3C6H5O2 + 42 NaHCO3 = 14 Na3C6H5O7 + 22 H2O + 12 CO2
H2 + K2 = HK =>
H2 + K2 = 2 HK
AgNO3 + NH3 = [Ag(NH3)2]NO3 =>
AgNO3 + 2 NH3 = [Ag(NH3)2]NO3
Na2HPO4 + H2SO4 = Na2SO4 + H3PO4 =>
Na2HPO4 + H2SO4 = Na2SO4 + H3PO4
K2Cr2O7 + Cu + H2SO4 = K2SO4 + Cr2(SO4)3 + CuSO4 + H2O =>
K2Cr2O7 + 3 Cu + 7 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 CuSO4 + 7 H2O
Mo + H2SO4 = Mo2(SO4)3 + H2 =>
2 Mo + 3 H2SO4 = Mo2(SO4)3 + 3 H2
BaSO3 + H{+} = HSO3{-} + Ba{2+} =>
BaSO3 + H{+} = HSO3{-} + Ba{2+}
MnSO4 + NaBiO3 + HNO3 = Bi(NO3)3 + NaMnO4 + NaNO3 + H2SO4 + H2O =>
2 MnSO4 + 5 NaBiO3 + 18 HNO3 = 5 Bi(NO3)3 + 2 NaMnO4 + 3 NaNO3 + 2 H2SO4 + 7 H2O
Pb(NO3)2 + Na2CO3 + H2O = Pb(OH)2*2PbCO3 + NaNO3 + HNO3 =>
3 Pb(NO3)2 + 2 Na2CO3 + 2 H2O = Pb(OH)2*2PbCO3 + 4 NaNO3 + 2 HNO3
Hg + Cl2 = HgCl =>
2 Hg + Cl2 = 2 HgCl
Al + Cl2Cu = Cl3Al + Cu =>
2 Al + 3 Cl2Cu = 2 Cl3Al + 3 Cu
SOCl2 + KOH = K{+} + Cl{-} + KHSO3 + H2O =>
SOCl2 + 3 KOH = 2 K{+} + 2 Cl{-} + KHSO3 + H2O
Cu2 + S2 = CuS =>
Cu2 + S2 = 2 CuS
Ca3(PO4)2 + SiO + C = CaSiO + CO + P =>
Ca3(PO4)2 + 3 SiO + 8 C = 3 CaSiO + 8 CO + 2 P
AgI(aq) + Na2S(aq) = Ag2S(aq) + NaI(aq) =>
2 AgI(aq) + Na2S(aq) = Ag2S(aq) + 2 NaI(aq)
Mg + H2Co3 = MgCo3 + H2 =>
Mg + H2Co3 = MgCo3 + H2
K2CO3 + TiO2 = K2Ti4O9 + CO2 =>
K2CO3 + 4 TiO2 = K2Ti4O9 + CO2
RbOH + H3PO4 = H3Rb + PO4OH =>
RbOH + H3PO4 = H3Rb + PO4OH
NaI + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + I2 + Na2SO4 + H2O =>
6 NaI + Na2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + 3 I2 + 4 Na2SO4 + 7 H2O
K2O + CaO = K2CaO2 =>
K2O + CaO = K2CaO2
Cr + ClO4{-} + H{+} = Cr3{+} + Cl{-} + H2O =>
24 Cr + ClO4{-} + 8 H{+} = 8 Cr3{+} + Cl{-} + 4 H2O
C4H9Cl + HCl = C4H10 + Cl2 =>
C4H9Cl + HCl = C4H10 + Cl2
KMnO4 + H2SO4 = Mn2O7 + H2O + KHSO4 =>
2 KMnO4 + 2 H2SO4 = Mn2O7 + H2O + 2 KHSO4
NaClAgNO3 = AgClNaNO3 =>
NaClAgNO3 = AgClNaNO3
CrCl2 + Na2CO3 = CrCO3 + NaCl =>
CrCl2 + Na2CO3 = CrCO3 + 2 NaCl
Ca3(PO4)2 + SiO + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO + 2 C = 3 CaSiO3 + 2 CO + 2 P
P(s) + Cl2(g) = PCl3(s) =>
2 P(s) + 3 Cl2(g) = 2 PCl3(s)
C137H97O9NS + O2 = CO2 + H2O + N2 + S =>
4 C137H97O9NS + 627 O2 = 548 CO2 + 194 H2O + 2 N2 + 4 S
FeCl2 + SO2 + HCl = FeCl3 + S8 + H2O =>
32 FeCl2 + 8 SO2 + 32 HCl = 32 FeCl3 + S8 + 16 H2O
Co(NO3)2(aq) + KOH(aq) = Co(OH)2 + KNO3 =>
Co(NO3)2(aq) + 2 KOH(aq) = Co(OH)2 + 2 KNO3
C3H7OH + CH3COOH = C5H10O2 + H2O =>
C3H7OH + CH3COOH = C5H10O2 + H2O
Al2(SO4)3 + Na2CO3 = Al2(CO3)3 + Na2(SO4) =>
Al2(SO4)3 + 3 Na2CO3 = Al2(CO3)3 + 3 Na2(SO4)
Ca3(PO4)2 + SiO + C = CaSiO + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO + 16 C = 6 CaSiO + P4 + 16 CO
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Équations équilibrées sur10/26/24
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