| Équations équilibrées la veille |
2 C2H4 + 2 HCl = 2 C2H4Cl + H2
Fe + HNO3 = Fe(NO3)3 + H2O + NO2 =>
Fe + 6 HNO3 = Fe(NO3)3 + 3 H2O + 3 NO2
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
SrSO3 + HOH = (SrOH)2SO3 + H2SO3 =>
2 SrSO3 + 2 HOH = (SrOH)2SO3 + H2SO3
KHC8H4O4(aq) + NaOH(aq) = KNaC8H4O4(aq) + H2O(l) =>
KHC8H4O4(aq) + NaOH(aq) = KNaC8H4O4(aq) + H2O(l)
KNO3 + Na2SO4 = K2SO4 + NO3Na =>
2 KNO3 + Na2SO4 = K2SO4 + 2 NO3Na
CdCl2 + N2H8S = CdS + HCl + NH3 =>
CdCl2 + N2H8S = CdS + 2 HCl + 2 NH3
AgNo3 + CaCl2 = AgCl + Ca(No3)2 =>
2 AgNo3 + CaCl2 = 2 AgCl + Ca(No3)2
Al2O3*2H2O + NaOH + H2O = Na[Al(OH)4] =>
Al2O3*2H2O + 2 NaOH + H2O = 2 Na[Al(OH)4]
CrCl2 + H2O2 + NaOH = NaCl + NaCrO4 + H2O =>
2 CrCl2 + 5 H2O2 + 6 NaOH = 4 NaCl + 2 NaCrO4 + 8 H2O
NH3(s) + I2(s) = N2I6 + H2(s) =>
2 NH3(s) + 3 I2(s) = N2I6 + 3 H2(s)
Al2O3 + NaOH = Al(OH)3 + Na2O =>
Al2O3 + 6 NaOH = 2 Al(OH)3 + 3 Na2O
K{2}S + NaCl = KCl + Na{2}S =>
K{2}S + NaCl = KCl + Na{2}S
Mg + H2SO4 = Mg(H2) + SO4 =>
Mg + H2SO4 = Mg(H2) + SO4
Na3PO4 + MnCl2 = Mn3(PO4)2 + NaCl =>
2 Na3PO4 + 3 MnCl2 = Mn3(PO4)2 + 6 NaCl
C99 = C =>
C99 = 99 C
K3As + Cu(NO3)2 = KNO3 + Cu3As2 =>
2 K3As + 3 Cu(NO3)2 = 6 KNO3 + Cu3As2
O2 = O6O =>
7 O2 = 2 O6O
KIHClC6H6 = K[C6H6]ClHI =>
KIHClC6H6 = K[C6H6]ClHI
C13H14 + O2 = CO2 + H2O =>
2 C13H14 + 33 O2 = 26 CO2 + 14 H2O
(NH4)2S(aq) + SrCl2(aq) = NH4Cl + SrS =>
(NH4)2S(aq) + SrCl2(aq) = 2 NH4Cl + SrS
I2 + H2O2 = H2O + HIO2 =>
I2 + 3 H2O2 = 2 H2O + 2 HIO2
Sr(NO3)2 + NaOH = Sr(OH)2 + NaNO3 =>
Sr(NO3)2 + 2 NaOH = Sr(OH)2 + 2 NaNO3
A = A9 =>
9 A = A9
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CaC2O4 + CH3COOH = CH3COOCa + H2O + CO2 =>
8 CaC2O4 + 7 CH3COOH = 8 CH3COOCa + 2 H2O + 14 CO2
Mn + CIO4 + H2O = Mn(CIO4)2*6H2O =>
Mn + 2 CIO4 + 6 H2O = Mn(CIO4)2*6H2O
CN{-} + OCl{-} + OH{-} = N2 + CO3{-2} + H2O + Cl{-} =>
2 CN{-} + 5 OCl{-} + 2 OH{-} = N2 + 2 CO3{-2} + H2O + 5 Cl{-}
Ag + (NO3)2 + HCl = AgCl + HNO3 =>
2 Ag + (NO3)2 + 2 HCl = 2 AgCl + 2 HNO3
NaFHNO3 = NaNO3HF =>
NaFHNO3 = NaNO3HF
NiS + NO3{-} + H{+} = Ni{2+} + S + NO2{-} + H2O =>
NiS + NO3{-} + 2 H{+} = Ni{2+} + S + NO2{-} + H2O
Mg(OH)2 + NH4Cl = NH3 + H2O + Mg + Cl =>
Mg(OH)2 + 2 NH4Cl = 2 NH3 + 2 H2O + Mg + 2 Cl
Li2CO3 + HCl = LiCl + H2CO3 =>
Li2CO3 + 2 HCl = 2 LiCl + H2CO3
K + P = K9P =>
9 K + P = K9P
HAt + Co(OH)2 = CoAt2 + H2O =>
2 HAt + Co(OH)2 = CoAt2 + 2 H2O
SnS + H2O = SnO + H2S =>
SnS + H2O = SnO + H2S
As + CaCo3 = Ca + As2Co3 =>
2 As + CaCo3 = Ca + As2Co3
HCl + CaSO3 = CaCl2H2SO3 =>
2 HCl + CaSO3 = CaCl2H2SO3
C2H5OH + CH3COOH = CHCOOCH5 + H2O =>
C2H5OH + 2 CH3COOH = 2 CHCOOCH5 + H2O
C2H3Br + H2O = C2H4O + HBr =>
C2H3Br + H2O = C2H4O + HBr
Cu(OH)2 + H2O2 = CuOOH + H2O =>
2 Cu(OH)2 + H2O2 = 2 CuOOH + 2 H2O
Br2PBr3 = PBr5 =>
Br2PBr3 = PBr5
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
NaHCO3 + CaCl2 = NaCl + CaO + CO2 + H2O =>
2 NaHCO3 + CaCl2 = 2 NaCl + CaO + 2 CO2 + H2O
Na2CO3 + Cl2 = NaCl + CO3 =>
Na2CO3 + Cl2 = 2 NaCl + CO3
Cl2(g) + NaBr(aq) = Br2(g) + NaCl(aq) =>
Cl2(g) + 2 NaBr(aq) = Br2(g) + 2 NaCl(aq)
NO3{-} + Al + H2O = NH3 + Al(OH)4{-} + H{+} =>
3 NO3{-} + 8 Al + 23 H2O = 3 NH3 + 8 Al(OH)4{-} + 5 H{+}
MgO + H2(SO4) = Mg(SO4) + H2O =>
MgO + H2(SO4) = Mg(SO4) + H2O
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
KI + HCl + NaCrO4 = I2 + CrCl3 + NaCl + KCl + H2O =>
4 KI + 8 HCl + NaCrO4 = 2 I2 + CrCl3 + NaCl + 4 KCl + 4 H2O
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