| Équations équilibrées la veille |
2 NaMnO4 + MnSO4 = 3 MnO2 + Na2SO4 + O2
Pb(NO3)2 + H2SO4 = PbSO4 + H2(NO3)2 =>
Pb(NO3)2 + H2SO4 = PbSO4 + H2(NO3)2
H2(g) + Br(l) = HBr(g) =>
H2(g) + 2 Br(l) = 2 HBr(g)
C20H14O4 + Na = H2 + NaC20H13O4 =>
2 C20H14O4 + 2 Na = H2 + 2 NaC20H13O4
Cu2S(s)O2(g) = Cu2O(s)SO =>
Cu2S(s)O2(g) = Cu2O(s)SO
H2(SO4)(aq) + Ba(OH)2(aq) = Ba(SO4)(s) + H2O(l) =>
H2(SO4)(aq) + Ba(OH)2(aq) = Ba(SO4)(s) + 2 H2O(l)
N2O4 + C9H20 = CO2 + H2O + N2 =>
7 N2O4 + C9H20 = 9 CO2 + 10 H2O + 7 N2
Ca{2+} + OH({-}) = Ca(OH)2 =>
Ca{2+} + 2 OH({-}) = Ca(OH)2
MgS + O2 = MgO + SO2 =>
2 MgS + 3 O2 = 2 MgO + 2 SO2
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
HNO3NaHCO3 = NaNO3H2OCO2 =>
HNO3NaHCO3 = NaNO3H2OCO2
K2SO4 + S = K2S + SO2 =>
K2SO4 + 2 S = K2S + 2 SO2
CuCl2(aq) + H2S(g) = CuS(s) + HCl(aq) =>
CuCl2(aq) + H2S(g) = CuS(s) + 2 HCl(aq)
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Ag2S + KCN = KAg(CN)2 + K2S =>
Ag2S + 4 KCN = 2 KAg(CN)2 + K2S
Li + HC1 = H2 + LiC1 =>
2 Li + 2 HC1 = H2 + 2 LiC1
Au + HCl = HAuCl =>
Au + HCl = HAuCl
HC3H503 + H2O = C3H5O3 + H30 =>
6 HC3H503 + 18 H2O = 6 C3H5O3 + 101 H30
S3O = S3 + O4 =>
4 S3O = 4 S3 + O4
CuI + NH3 = [Cu(NH3)2]I =>
CuI + 2 NH3 = [Cu(NH3)2]I
Zn(CH3COO)22H2O + CH3OH + H2O = Zn(OH)2 + CH3(COOH) =>
Zn(CH3COO)22H2O + 10 CH3OH + H2O = Zn(OH)2 + 27 CH3(COOH)
Al(s) + ZnBr2(l) = Zn(s) + AlBr3(l) =>
2 Al(s) + 3 ZnBr2(l) = 3 Zn(s) + 2 AlBr3(l)
Cu + CO3{-}2 = CuCO3{-}2 =>
Cu + CO3{-}2 = CuCO3{-}2
Na2C2O4 + NH4ClO4 = Na2CO3 + NaCl + CO2 + N2 + H2O =>
5 Na2C2O4 + 2 NH4ClO4 = 4 Na2CO3 + 2 NaCl + 6 CO2 + N2 + 4 H2O
Na(s) + ZnSO4(ac) = Na2SO4(ac) + Zn(s) =>
2 Na(s) + ZnSO4(ac) = Na2SO4(ac) + Zn(s)
K4C + H2O = K2O + CH4 =>
K4C + 2 H2O = 2 K2O + CH4
NaC2O4(aq) + PbNO3(aq) = PbC2O4 + NaNO3 =>
NaC2O4(aq) + PbNO3(aq) = PbC2O4 + NaNO3
Mn(NO3)2 + KOH + S = K2MnO4 + K2SO4 + NO + H2O =>
3 Mn(NO3)2 + 8 KOH + S = 3 K2MnO4 + K2SO4 + 6 NO + 4 H2O
MnO4{-} + H{+} + FeC2O4 = Mn{2+} + Fe{3+} + CO2 + H2O =>
3 MnO4{-} + 24 H{+} + 5 FeC2O4 = 3 Mn{2+} + 5 Fe{3+} + 10 CO2 + 12 H2O
Cu2SFeS2 + HNO3 = CuSO4 + Cu(NO3)2 + Fe2(SO4)3 + N2O + H2O =>
8 Cu2SFeS2 + 58 HNO3 = 12 CuSO4 + 4 Cu(NO3)2 + 4 Fe2(SO4)3 + 25 N2O + 29 H2O
C2H8(OH)2(aq) + H2O2(aq) = C2H6O2(aq) + H2O(l) =>
C2H8(OH)2(aq) + 2 H2O2(aq) = C2H6O2(aq) + 4 H2O(l)
Fe2S3 + CS = Fe + CS2 =>
Fe2S3 + 3 CS = 2 Fe + 3 CS2
CrO4{-2} + H2O2 + OH{-} = CrO10{5-} + H2O =>
2 CrO4{-2} + 9 H2O2 + 6 OH{-} = 2 CrO10{5-} + 12 H2O
C4H9Cl + NH3 = C4H9NH3Cl =>
C4H9Cl + NH3 = C4H9NH3Cl
HBr + Zn = H + ZnBr2 =>
2 HBr + Zn = 2 H + ZnBr2
O2 + Ar = OAr =>
O2 + 2 Ar = 2 OAr
SiI4 + Mg = Si + MgI = =>
SiI4 + 4 Mg = Si + 4 MgI
Y{-4} + Al{+3} = AlY{-} =>
Y{-4} + Al{+3} = AlY{-}
H2SO4 + NaBr + NaBrO = Na2SO4 + H2O + Br2 =>
H2SO4 + NaBr + NaBrO = Na2SO4 + H2O + Br2
K2NO2 + KMnO4 + H2SO4 = KNO3 + MnSO4 + K2SO4 + H2O =>
5 K2NO2 + 3 KMnO4 + 7 H2SO4 = 5 KNO3 + 3 MnSO4 + 4 K2SO4 + 7 H2O
HNO3 + ClOH = ClNO3 + H2O =>
HNO3 + ClOH = ClNO3 + H2O
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
KOH + BaCl2 = Ba(OH)2 + KCl =>
2 KOH + BaCl2 = Ba(OH)2 + 2 KCl
FeCl3*6H2O + NH4SCN = Fe(SCN)3 + NH4Cl + H2O =>
FeCl3*6H2O + 3 NH4SCN = Fe(SCN)3 + 3 NH4Cl + 6 H2O
Ca(AlO2)2 + H2SO4 = CaSO4 + Al2(SO4)3 + H2O =>
Ca(AlO2)2 + 4 H2SO4 = CaSO4 + Al2(SO4)3 + 4 H2O
NaNO3 + H3PO4 = Na3PO4 + HNO3 =>
3 NaNO3 + H3PO4 = Na3PO4 + 3 HNO3
Fe3O4 + NaH = Fe + NaOH =>
Fe3O4 + 4 NaH = 3 Fe + 4 NaOH
HOC6H4CH2OH + NaOH = NaOC6H4CH2ONa + H2O =>
HOC6H4CH2OH + 2 NaOH = NaOC6H4CH2ONa + 2 H2O
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
NaOH + CH3OOH = C2H3NaO2 + H2O =>
NaOH + 2 CH3OOH = C2H3NaO2 + 3 H2O
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Équations équilibrées sur11/13/24
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