| Équations équilibrées la veille |
2 CH3((CH2)4)2CH3 + 31 O2 = 20 CO2 + 22 H2O
Cu + H2S = CuS2 + H2 =>
Cu + 2 H2S = CuS2 + 2 H2
BaNO3 + NaS = Ba2Na + S(NO3)2 =>
2 BaNO3 + NaS = Ba2Na + S(NO3)2
KI + HCl + KNO2 = NO + KCl + I2 + H2O =>
2 KI + 4 HCl + 2 KNO2 = 2 NO + 4 KCl + I2 + 2 H2O
KSCN + FeCl3 = FeSCN + K + Cl =>
KSCN + FeCl3 = FeSCN + K + 3 Cl
C8H18() + O2 = CO2 + H2O =>
2 C8H18() + 25 O2 = 16 CO2 + 18 H2O
H4 + Cl2 = HCl =>
H4 + 2 Cl2 = 4 HCl
SeCl6 + O2 = SeO2SeO2 + Cl =>
2 SeCl6 + 2 O2 = SeO2SeO2 + 12 Cl
KO4 + CO2 = K3C3O4 + O =>
3 KO4 + 3 CO2 = K3C3O4 + 14 O
CrCl3 + NaSO4 = Cr(SO4)3 + NaCl =>
CrCl3 + 3 NaSO4 = Cr(SO4)3 + 3 NaCl
K2Cr2O7 + KI + H2SO4 = I2 + Cr2SO4 + H2O + K2SO4 =>
K2Cr2O7 + 10 KI + 7 H2SO4 = 5 I2 + Cr2SO4 + 7 H2O + 6 K2SO4
S + KNO3 = SO2 + KNO =>
S + KNO3 = SO2 + KNO
MnO2 + K2Co3 + O2 = K2MnO4 + Co2 =>
2 MnO2 + 2 K2Co3 + 2 O2 = 2 K2MnO4 + 3 Co2
NaNO3 + (NH4)2C2O4 = Na2C2O4 + NH4NO3 =>
2 NaNO3 + (NH4)2C2O4 = Na2C2O4 + 2 NH4NO3
CuSO4 + NiCl2 = CuCl2 + NiSO4 =>
CuSO4 + NiCl2 = CuCl2 + NiSO4
FeO + SO3 = FeSO4 =>
FeO + SO3 = FeSO4
CrCl3 + K2S2O8 + H2O = H2Cr2O7 + HCl + H2SO4 + K2SO4 =>
2 CrCl3 + 3 K2S2O8 + 7 H2O = H2Cr2O7 + 6 HCl + 3 H2SO4 + 3 K2SO4
Ca2 + N2 = Ca5N2 =>
5 Ca2 + 2 N2 = 2 Ca5N2
Na2CO3 + HNO3 = H2CO3 + NaNO3 =>
Na2CO3 + 2 HNO3 = H2CO3 + 2 NaNO3
Co(OH)2 + H2Cr2O7 = Co(Cr2O7) + H2O =>
Co(OH)2 + H2Cr2O7 = Co(Cr2O7) + 2 H2O
Pb(NO3)2 + HI = NO3H + PbI2 =>
Pb(NO3)2 + 2 HI = 2 NO3H + PbI2
C8H8 + O = CO + H2O =>
C8H8 + 12 O = 8 CO + 4 H2O
KBr + NH4NO3 = KNH4 + BrNO3 =>
KBr + NH4NO3 = KNH4 + BrNO3
Na + C2H5Br = C2H5Na + Br =>
Na + C2H5Br = C2H5Na + Br
Fe + O + S = FeOS =>
Fe + O + S = FeOS
Cu + I2 = CuI2 =>
Cu + I2 = CuI2
CU + KOH = K2CUO2 + H2 =>
CU + 2 KOH = K2CUO2 + H2
S2O8 + I{-} = I2 + SO4{2-} =>
S2O8 + 4 I{-} = 2 I2 + 2 SO4{2-}
Zn(OH)2 + H(NO3) = Zn(NO3)2 + HOH =>
Zn(OH)2 + 2 H(NO3) = Zn(NO3)2 + 2 HOH
S{2}O{3}{2-} + I{2} = S{4}O{6}{2-} + I{-} =>
3 S{2}O{3}{2-} + 2 I{2} = 3 S{4}O{6}{2-} + 2 I{-}
HNO3 + Ni(OH)3 = Ni + H2O + NO3 =>
3 HNO3 + Ni(OH)3 = Ni + 3 H2O + 3 NO3
H3PO4 + LiOH = H2O + Li3PO4 =>
H3PO4 + 3 LiOH = 3 H2O + Li3PO4
C27H44O + O2 = CO2 + H2O =>
2 C27H44O + 75 O2 = 54 CO2 + 44 H2O
HgSO3 + Cs = Cs2SO3 + Hg =>
HgSO3 + 2 Cs = Cs2SO3 + Hg
Na2Al2O4 + Fe + H2O = Fe(OH)3 + NaOH + Al =>
Na2Al2O4 + 2 Fe + 4 H2O = 2 Fe(OH)3 + 2 NaOH + 2 Al
H3PO4 + LiOH = H2O + Li3PO4 =>
H3PO4 + 3 LiOH = 3 H2O + Li3PO4
Cu(OH)2 + CH3COOH = Cu(CH3CO2)2 + H2O =>
Cu(OH)2 + 2 CH3COOH = Cu(CH3CO2)2 + 2 H2O
Pb(NO3)4 + (NH4)3PO4 = Pb3(PO4)4 + (NH4)(NO3) =>
3 Pb(NO3)4 + 4(NH4)3PO4 = Pb3(PO4)4 + 12(NH4)(NO3)
F2 + RbCl = RbF + Cl3 =>
3 F2 + 6 RbCl = 6 RbF + 2 Cl3
Na2HAsO3 + NaBrO3 + HCl = NaCl + NaBr + H3AsO4 =>
3 Na2HAsO3 + NaBrO3 + 6 HCl = 6 NaCl + NaBr + 3 H3AsO4
AgNO3 + Na2CO3 = Ag2C + NaNO3 + O2 =>
4 AgNO3 + 2 Na2CO3 = 2 Ag2C + 4 NaNO3 + 3 O2
Cr2O3 + NaOH + NaNo3 = Na2CrO4 + NaNo2 + H2O =>
Cr2O3 + 10 NaOH + 12 NaNo3 = 2 Na2CrO4 + 18 NaNo2 + 5 H2O
[Al(H2O)] + H2O = [Al(H2O)4(OH)2] + H3O =>
[Al(H2O)] + 7 H2O = [Al(H2O)4(OH)2] + 2 H3O
MagnesiumNitrate + SodiumPhosphate = MagnesiumPhosphate + SodiumNitrate =>
MagnesiumNitrate + SodiumPhosphate = MagnesiumPhosphate + SodiumNitrate
C2H3ClO2 + NaOH = NaH3ClO2 + C2OH =>
C2H3ClO2 + NaOH = NaH3ClO2 + C2OH
HCe + Ca(OH)2 = CaCe2 + H2O =>
2 HCe + Ca(OH)2 = CaCe2 + 2 H2O
CO + NaH = HCOONa + C =>
2 CO + NaH = HCOONa + C
Ag(s) + Mn(NO3)2(aq) = Mn(s) + AgNO3(aq) =>
2 Ag(s) + Mn(NO3)2(aq) = Mn(s) + 2 AgNO3(aq)
KNO3 + HCl + Cu = HNO3 + K + CuCl =>
KNO3 + HCl + Cu = HNO3 + K + CuCl
Al2(SO4)3 + BaI2 = AlI3 + BaSO4 =>
Al2(SO4)3 + 3 BaI2 = 2 AlI3 + 3 BaSO4
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