| Équations équilibrées la veille |
3 MnO4{-} + 5 NO + 4 H3O{+} = 3 Mn{2+} + 5 NO3{-} + 6 H2O
KCr(SO4)2*12H2O + KOH = Cr(OH)3 + K2SO4 + H2O =>
KCr(SO4)2*12H2O + 3 KOH = Cr(OH)3 + 2 K2SO4 + 12 H2O
Al + KOH + H2SO4 + H2O = KAl(SO4)2*6H2O + H2 =>
2 Al + 2 KOH + 4 H2SO4 + 10 H2O = 2 KAl(SO4)2*6H2O + 3 H2
PbI4 + CrCl3 = PbCl4 + CrI3 =>
3 PbI4 + 4 CrCl3 = 3 PbCl4 + 4 CrI3
C10H15N + O2 = CO2 + H2O + N =>
4 C10H15N + 55 O2 = 40 CO2 + 30 H2O + 4 N
CH3CH2(NH2)COOH + HCl = CH3CH2(NH3Cl)COOH =>
CH3CH2(NH2)COOH + HCl = CH3CH2(NH3Cl)COOH
Cu2 + F2 = CuF2 =>
Cu2 + 2 F2 = 2 CuF2
Ba(OH)2 + (NH4)2SO4(aq) = BaSO4(aq) + NH3(g) + H2O(l) =>
Ba(OH)2 + (NH4)2SO4(aq) = BaSO4(aq) + 2 NH3(g) + 2 H2O(l)
K2[HgI4]KCN = K[HgI4]K2CN =>
K2[HgI4]KCN = K[HgI4]K2CN
(COOH)2 + Na2CO3 = (COONa)2 + H2O + CO2 =>
(COOH)2 + Na2CO3 = (COONa)2 + H2O + CO2
Zn(HCO3)2 + KOH = Zn(OH)2 + KHCO3 =>
Zn(HCO3)2 + 2 KOH = Zn(OH)2 + 2 KHCO3
FeCl3 + O2 = Fe2O3 + Cl2 =>
4 FeCl3 + 3 O2 = 2 Fe2O3 + 6 Cl2
Al + Na2CO3 = Al(CO3) + Na =>
Al + Na2CO3 = Al(CO3) + 2 Na
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
K2CO3 + Cu(C2H3O2)2 = KC2H3O2 + CuCO3 =>
K2CO3 + Cu(C2H3O2)2 = 2 KC2H3O2 + CuCO3
C10H15N + O2 = CO2 + H2O + NO2 =>
4 C10H15N + 59 O2 = 40 CO2 + 30 H2O + 4 NO2
C6H6O3S + NaOH = C6H5O3SNa + H2O =>
C6H6O3S + NaOH = C6H5O3SNa + H2O
Mn{+2} + CO3{-2} + NO3{-} = NO2{-} + MnO4{-2} + CO2 =>
Mn{+2} + 2 CO3{-2} + 2 NO3{-} = 2 NO2{-} + MnO4{-2} + 2 CO2
C4H9OH + HNO2 = C4H9NO2 + H2O =>
C4H9OH + HNO2 = C4H9NO2 + H2O
Hg(NO3)2 + H2O = Hg + O2 + HNO3 =>
2 Hg(NO3)2 + 2 H2O = 2 Hg + O2 + 4 HNO3
C10H15N + O2 = CO2 + H2O + N2 =>
4 C10H15N + 55 O2 = 40 CO2 + 30 H2O + 2 N2
OCl{-} + S2O3{2-} = Cl{-} + SO4{-} =>
5 OCl{-} + S2O3{2-} = 5 Cl{-} + 2 SO4{-}
C6H13OH + K2Cr2O7 + HCl = C5H11COH + CrCl3 + H2O + KCl =>
3 C6H13OH + K2Cr2O7 + 8 HCl = 3 C5H11COH + 2 CrCl3 + 7 H2O + 2 KCl
KMnO4 + As2O3 + H2SO4 + H2O = MnSO4 + H2AsO4 + K2SO4 =>
6 KMnO4 + 5 As2O3 + 9 H2SO4 + H2O = 6 MnSO4 + 10 H2AsO4 + 3 K2SO4
Cl2(g) + KI(Ac) = I2(s) + KCl(Ac) =>
Cl2(g) + 2 KI(Ac) = I2(s) + 2 KCl(Ac)
Cl2(g) + KI(ac) = KCl(ac) + I2(ac) =>
Cl2(g) + 2 KI(ac) = 2 KCl(ac) + I2(ac)
ClH4N + HgCl2 + Sb = SbCl3 + HgH4N =>
ClH4N + HgCl2 + Sb = SbCl3 + HgH4N
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
PbBr2 + H2O = Pb(OH)2 + HBr =>
PbBr2 + 2 H2O = Pb(OH)2 + 2 HBr
Co(s) + BrO3(s) = Co(BrO3)3(aq) =>
Co(s) + 3 BrO3(s) = Co(BrO3)3(aq)
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2 + Al(OH)3 = HOH + Al =>
3 H2 + 2 Al(OH)3 = 6 HOH + 2 Al
HNO3 + ZnSO4 = ZnNO3 + HSO4 =>
HNO3 + ZnSO4 = ZnNO3 + HSO4
K2S + H2CO3 = K2CO3 + H2S =>
K2S + H2CO3 = K2CO3 + H2S
Mg + Ag2CO3 = Ag + MgCO3 =>
Mg + Ag2CO3 = 2 Ag + MgCO3
Fe + Al(SO4) = Fe(SO4) + Al =>
Fe + Al(SO4) = Fe(SO4) + Al
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
NH4OH + AlCl = AlOH + ClNH4 =>
NH4OH + AlCl = AlOH + ClNH4
HNO3 + BaO2H2 = BaN2O6 + H2O =>
2 HNO3 + BaO2H2 = BaN2O6 + 2 H2O
Cr2(SO4)3 + Ca(OH)2 = Cr2(SO4)2(OH)2 + CaSO4 =>
Cr2(SO4)3 + Ca(OH)2 = Cr2(SO4)2(OH)2 + CaSO4
NaOH + HNO3 = NaNO3 + HOH =>
NaOH + HNO3 = NaNO3 + HOH
Fe2O3 + KNO3 + KOH = K2FeO4 + KNO + H2O =>
2 Fe2O3 + 3 KNO3 + 8 KOH = 4 K2FeO4 + 3 KNO + 4 H2O
(NH4)2CrO4 + Sn(NO3)4 = Sn2(CrO4)4 + NH4NO3 =>
4(NH4)2CrO4 + 2 Sn(NO3)4 = Sn2(CrO4)4 + 8 NH4NO3
Ba(NO3)2(NH4)2SO4 = Ba(SO4)(NH4)2(NO3)2 =>
Ba(NO3)2(NH4)2SO4 = Ba(SO4)(NH4)2(NO3)2
CuNO3 + H2SO4 = CuSO4 + NO2 + H2O =>
CuNO3 + H2SO4 = CuSO4 + NO2 + H2O
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
As2O3 + I2 + H2O = H3AsO4 + HI =>
As2O3 + 2 I2 + 5 H2O = 2 H3AsO4 + 4 HI
C8H18 + Br2 = C8H17 + HBr =>
2 C8H18 + Br2 = 2 C8H17 + 2 HBr
H2S + Li2CO3 = Li2S + CO2 + H2O =>
H2S + Li2CO3 = Li2S + CO2 + H2O
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