| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2HPO3 + 2 HCl = 2 NaCl + H3PO3
Pb(NO{-}3){-}2 + HCl = PbCl{-}2 + HNO{-}3 =>
Pb(NO{-}3){-}2 + HCl = PbCl{-}2 + HNO{-}3
HPO4{2-} + NH4{+} + MoO4{2-} + H{+} = (NH4)3PO4(MoO3)2 + H2O =>
HPO4{2-} + 3 NH4{+} + 2 MoO4{2-} + 3 H{+} = (NH4)3PO4(MoO3)2 + 2 H2O
Na2CO3(s) + HCl(aq) = CO2(g) + H2O(l) + NaCl(aq) =>
Na2CO3(s) + 2 HCl(aq) = CO2(g) + H2O(l) + 2 NaCl(aq)
Cu(CH3CO2)2 + Zn = Zn(CH3CO2)2 + Cu =>
Cu(CH3CO2)2 + Zn = Zn(CH3CO2)2 + Cu
ZnSO4 + MgCl2 + Na3PO4 = ZnCl2 + Mg3(PO4)2 + Na2SO4 =>
3 ZnSO4 + 3 MgCl2 + 2 Na3PO4 = 3 ZnCl2 + Mg3(PO4)2 + 3 Na2SO4
CH2ClCOOH = CH2ClCOO{-} + H{+} =>
CH2ClCOOH = CH2ClCOO{-} + H{+}
Al2O3 + HCl = AlCl3 + H2O(aq) =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O(aq)
C17H33COONa + HCl = C17H33COOH + NaCl =>
C17H33COONa + HCl = C17H33COOH + NaCl
Na + Fe4O3 = Na6O + Fe =>
18 Na + Fe4O3 = 3 Na6O + 4 Fe
NaOH + Cl2Fe = NaCl + Fe(OH)2 =>
2 NaOH + Cl2Fe = 2 NaCl + Fe(OH)2
Al(OH)3 + HCH3COO = Al(C2H3O2)3 + H2O =>
Al(OH)3 + 3 HCH3COO = Al(C2H3O2)3 + 3 H2O
AlOH + Ba = BaOH + Al =>
AlOH + Ba = BaOH + Al
C2H5OH + CuO = CH3COH + CuOH =>
C2H5OH + 2 CuO = CH3COH + 2 CuOH
HNO3 + HBr = HBrO3 + NO2 + H2O =>
6 HNO3 + HBr = HBrO3 + 6 NO2 + 3 H2O
Na2SO3 + KMnO4 + H2SO4 = NaSO4 + KHSO4 + MnSO4 + H2O =>
5 Na2SO3 + 4 KMnO4 + 13 H2SO4 = 10 NaSO4 + 4 KHSO4 + 4 MnSO4 + 11 H2O
FeO + H{+} + SO4{2-} = Fe{3+} + SO2 + H2O =>
2 FeO + 8 H{+} + SO4{2-} = 2 Fe{3+} + SO2 + 4 H2O
P4O10(s) + H2SO4(aq) = H3PO4(aq) + SO2(g) + O2(g) =>
P4O10(s) + 6 H2SO4(aq) = 4 H3PO4(aq) + 6 SO2(g) + 3 O2(g)
C8H167 + O29 = CO29 + H2O9 =>
58 C8H167 + 1967 O29 = 464 CO29 + 4843 H2O9
PB(NO2)2 = PBO + N + O2 =>
2 PB(NO2)2 = 2 PBO + 4 N + 3 O2
CH3(CH3)CH2CH2CH2OH + Cr2O7{2-} + H{+} = CH3(CH3)CH2CH2CHO + Cr{3+} + H2O =>
3 CH3(CH3)CH2CH2CH2OH + Cr2O7{2-} + 8 H{+} = 3 CH3(CH3)CH2CH2CHO + 2 Cr{3+} + 7 H2O
Ca(OH)2 + (NH4)2SO4 = CaSO4 + NH3 + H2O =>
Ca(OH)2 + (NH4)2SO4 = CaSO4 + 2 NH3 + 2 H2O
Ag + H2SO4 = Ag2SO4 + H2O + SO2 =>
2 Ag + 2 H2SO4 = Ag2SO4 + 2 H2O + SO2
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
CuS + O2 + CaCO3 = CuO + CaSO4 + CO2 =>
CuS + 2 O2 + CaCO3 = CuO + CaSO4 + CO2
H3X + Ca(OH)2 = H2O + Ca3X2 =>
2 H3X + 3 Ca(OH)2 = 6 H2O + Ca3X2
KOH + NaOH = H2O + KNaO =>
KOH + NaOH = H2O + KNaO
PBr3 + KOH = KBr + KH2PO3 + H2O =>
PBr3 + 4 KOH = 3 KBr + KH2PO3 + H2O
NH2OH + KMnO4 = N2O + KOH + H2O + Mn(OH)2 =>
10 NH2OH + 4 KMnO4 = 5 N2O + 4 KOH + 9 H2O + 4 Mn(OH)2
K2SO4 + ZnBr2 = ZnSO4 + KBr =>
K2SO4 + ZnBr2 = ZnSO4 + 2 KBr
C6H6O(s) + O2(g) = CO2(g) + H2O(g) =>
C6H6O(s) + 7 O2(g) = 6 CO2(g) + 3 H2O(g)
Fe(OH)2 = FeO + H2O =>
Fe(OH)2 = FeO + H2O
Rb + N2 = RbN2 =>
Rb + N2 = RbN2
NiO + HBr = NiBr + OH =>
NiO + HBr = NiBr + OH
H{+} + CrO7{2-} + C2H5OH = Cr{3+} + C2H4O + H2O =>
10 H{+} + 2 CrO7{2-} + 9 C2H5OH = 2 Cr{3+} + 9 C2H4O + 14 H2O
Be(NO3)2 = Be4N8O24 =>
4 Be(NO3)2 = Be4N8O24
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Mn + HNO3 = Mn(HNO3)2 =>
Mn + 2 HNO3 = Mn(HNO3)2
MnSO4 + HNO3 + NaBiO3 = Bi(NO3)3 + HMnO4 + Na2SO4 + NaNO3 + H2O =>
2 MnSO4 + 16 HNO3 + 5 NaBiO3 = 5 Bi(NO3)3 + 2 HMnO4 + 2 Na2SO4 + NaNO3 + 7 H2O
Be(NO3)2 = Be(NO2)2 + O2 =>
Be(NO3)2 = Be(NO2)2 + O2
Cl2 + CuZn = CuCl + Zn =>
Cl2 + 2 CuZn = 2 CuCl + 2 Zn
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
MnSO4 + KMnO4 + H2O = MnO2 + K2SO4 + H2SO4 =>
3 MnSO4 + 2 KMnO4 + 2 H2O = 5 MnO2 + K2SO4 + 2 H2SO4
CuSO4 + NaOH = Cu(OH)2 + Na2 + SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2 + SO4
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
CuSO4(ac) + Pb(NO3)2(ac) = PbSO4 + Cu(NO3)2 =>
CuSO4(ac) + Pb(NO3)2(ac) = PbSO4 + Cu(NO3)2
Ca + Cu(NO2)2 = Ca(NO2)2 + Cu =>
Ca + Cu(NO2)2 = Ca(NO2)2 + Cu
Hg2(NO3)2 + NaOH = Hg2O2 + H2 + NaNO3 =>
Hg2(NO3)2 + 2 NaOH = Hg2O2 + H2 + 2 NaNO3
C3H6 + CO + H2 = C2H8O =>
C3H6 + 3 CO + 9 H2 = 3 C2H8O
Zr + H2O = ZrO2 + H2 =>
Zr + 2 H2O = ZrO2 + 2 H2
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