| Équations équilibrées la veille |
H3CCHO + H2 = C2H5OH
CrOH2 = CrO + H2 =>
CrOH2 = CrO + H2
K2Cr2O7 + KOH + MnO2 + H2O = K3[Cr(OH)6] + KMnO4 =>
K2Cr2O7 + 6 KOH + 2 MnO2 + 3 H2O = 2 K3[Cr(OH)6] + 2 KMnO4
HAsO4{2-} + e + H{+} = H3AsO3 + H2O =>
HAsO4{2-} + 2e + 4 H{+} = H3AsO3 + H2O
CaSO3 = SO2CaO =>
CaSO3 = SO2CaO
N2(g) + H2(g) + O2(g) = HNO3(g) =>
N2(g) + H2(g) + 3 O2(g) = 2 HNO3(g)
CrOH2 = CrO + H2 =>
CrOH2 = CrO + H2
Li2CrO4(aq) + AuI3(aq) = LiI(aq) + Au2(CrO4)3(s) =>
3 Li2CrO4(aq) + 2 AuI3(aq) = 6 LiI(aq) + Au2(CrO4)3(s)
C4H11N + C33H35N5O5 = C20H25N3O + C17H21N3O4 =>
C4H11N + C33H35N5O5 = C20H25N3O + C17H21N3O4
ZnF2 + Cl2 = ZnCl2 + F2 =>
ZnF2 + Cl2 = ZnCl2 + F2
HF + CCl4 = CF2Cl2 + HCl =>
2 HF + CCl4 = CF2Cl2 + 2 HCl
NH4(ClO4) = N2 + Cl2 + O2 + H2O =>
2 NH4(ClO4) = N2 + Cl2 + 2 O2 + 4 H2O
CO{2+} + [NO2]{-} + H{+} = [CO(NO2)6]{3-} + NO + H2O =>
CO{2+} + 7[NO2]{-} + 2 H{+} = [CO(NO2)6]{3-} + NO + H2O
SO4 + HI = HO4 + SI =>
SO4 + HI = HO4 + SI
Ca(HCo3)2 = CaCo3 + Co2 + H2 =>
2 Ca(HCo3)2 = 2 CaCo3 + 3 Co2 + 2 H2
NaH2PO2 + AgNO3 = AgH2PO2 + NaNO3 =>
NaH2PO2 + AgNO3 = AgH2PO2 + NaNO3
Ca(C2H3O2)2*H2O + Na2CO3*2H2O = Na2(C2H3O2)2 + CaCO3 + H2O =>
Ca(C2H3O2)2*H2O + Na2CO3*2H2O = Na2(C2H3O2)2 + CaCO3 + 3 H2O
Na2CO3(s) + HCl(aq) = CO2(g) + H2O(l) + NaCl(aq) =>
Na2CO3(s) + 2 HCl(aq) = CO2(g) + H2O(l) + 2 NaCl(aq)
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
KIO3 + FeSO4 + H2SO4 = KI + Fe2(SO4)3 + H2O =>
KIO3 + 6 FeSO4 + 3 H2SO4 = KI + 3 Fe2(SO4)3 + 3 H2O
Li2Cl + Ag(NO3) = Ag2Cl + Li(NO3) =>
Li2Cl + 2 Ag(NO3) = Ag2Cl + 2 Li(NO3)
KNO3 + S = KS + NO3 =>
KNO3 + S = KS + NO3
NaCl + K(SB(OH)6) = Na(SB(OH)6) + KCl =>
NaCl + K(SB(OH)6) = Na(SB(OH)6) + KCl
MnO4{-} + H{+} + Br{-} = Mn{8+} + H3O + Br3 =>
MnO4{-} + 12 H{+} + 3 Br{-} = Mn{8+} + 4 H3O + Br3
H2SO4 + Au(OH) = Au(OH)SO3 + H2O =>
H2SO4 + Au(OH) = Au(OH)SO3 + H2O
Ca(OH)2 + NaSO4 = CaSO4 + Na(OH)2 =>
Ca(OH)2 + NaSO4 = CaSO4 + Na(OH)2
C2H6 + H2O2 = CH3CHO + H2O =>
C2H6 + 2 H2O2 = CH3CHO + 3 H2O
NH3 + O2 = HNO + H2 =>
2 NH3 + O2 = 2 HNO + 2 H2
CaCCa = Ca + C =>
CaCCa = 2 Ca + C
Bi(NO3)3*5H2O + Mo = Bi2O3 + MoO3 + NO2 + H2O =>
2 Bi(NO3)3*5H2O + Mo = Bi2O3 + MoO3 + 6 NO2 + 10 H2O
CHCl3 + Br2 = CHBr3 + Cl2 =>
2 CHCl3 + 3 Br2 = 2 CHBr3 + 3 Cl2
KHS + KMnO4 + H2O = KOH + MnO2 + S =>
3 KHS + 2 KMnO4 + H2O = 5 KOH + 2 MnO2 + 3 S
Cu2O3 + CH4 = Cu + H2O + CO2 =>
4 Cu2O3 + 3 CH4 = 8 Cu + 6 H2O + 3 CO2
CuO + Fe3O4 = Cu + Fe2O3 =>
CuO + 2 Fe3O4 = Cu + 3 Fe2O3
AlCl3 + CuSO4 = Al2(SO4)3 + CuCl2 =>
2 AlCl3 + 3 CuSO4 = Al2(SO4)3 + 3 CuCl2
Fe + HgCl2 = FeCl2 + Hg =>
Fe + HgCl2 = FeCl2 + Hg
FeO3 + Al(NO3)3 + NH3 + H2O = FeAl + HNO3 =>
8 FeO3 + 8 Al(NO3)3 + 9 NH3 + 3 H2O = 8 FeAl + 33 HNO3
Zn + CuN2 = ZnN + Cu =>
2 Zn + CuN2 = 2 ZnN + Cu
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
N2H4 + O2 = H2O + N4 =>
2 N2H4 + 2 O2 = 4 H2O + N4
Si + S = Si2S4 =>
2 Si + 4 S = Si2S4
CaNO3 + BaBr = CaBa + BrNO3 =>
CaNO3 + BaBr = CaBa + BrNO3
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
Cu(s) + AgNO3 = CuNO3(aq) + Ag(s) =>
Cu(s) + AgNO3 = CuNO3(aq) + Ag(s)
C3H3Cl3 + O = CO2 + H2O + Cl =>
2 C3H3Cl3 + 15 O = 6 CO2 + 3 H2O + 6 Cl
O2 + NO2 + CuO = Cu(NO3)2 =>
O2 + 4 NO2 + 2 CuO = 2 Cu(NO3)2
Pb(NO3)2(s) = PbO2 + NO2 =>
Pb(NO3)2(s) = PbO2 + 2 NO2
H2O + Na2CO3 + CuSO4 = Cu2(OH)2CO3 + HNaSO4 =>
2 H2O + Na2CO3 + 2 CuSO4 = Cu2(OH)2CO3 + 2 HNaSO4
S4O6{2-} + ClO{-} + H2O = SO4{2-} + Cl{-} + H{+} =>
S4O6{2-} + 7 ClO{-} + 3 H2O = 4 SO4{2-} + 7 Cl{-} + 6 H{+}
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