Équations équilibrées la veille |
2 Na + 2 HSO4 = 2 NaSO4 + H2
CaCO3 + H2SO4 = CaSO4CO2 + H2O =>
CaCO3 + H2SO4 = CaSO4CO2 + H2O
NH4Cl(g) = NH3(g) + HCl(g) =>
NH4Cl(g) = NH3(g) + HCl(g)
XBaCO3 + XHCl = XBaCl2 + XH2O + XCO2 =>
XBaCO3 + 2 XHCl = XBaCl2 + XH2O + XCO2
Na[Sn(OH)4] + Bi(NO3)3 + NaOH = Bi + Na2[Sn(OH)6] + NaNO3 =>
3 Na[Sn(OH)4] + Bi(NO3)3 + 6 NaOH = Bi + 3 Na2[Sn(OH)6] + 3 NaNO3
Ca(HS)2 + HNO3 = Ca(NO3)2 + H2SO4 + NO2 + H2O =>
Ca(HS)2 + 18 HNO3 = Ca(NO3)2 + 2 H2SO4 + 16 NO2 + 8 H2O
Zn + H2O = ZnO + H =>
Zn + H2O = ZnO + 2 H
Na + HSO4 = NaSO4 + H2 =>
2 Na + 2 HSO4 = 2 NaSO4 + H2
NH4NO3 + HClO4 = NH4ClO4 + HNO3 =>
NH4NO3 + HClO4 = NH4ClO4 + HNO3
FeS + O2 = Fe2O3 + SO2 = =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
KOH + COCl3 = CO(HO)3 + KCl =>
3 KOH + COCl3 = CO(HO)3 + 3 KCl
K(OH) + Mg(Cl)2 = K(Cl)2 + Mg(OH) =>
K(OH) + Mg(Cl)2 = K(Cl)2 + Mg(OH)
O{-} = O2 + e =>
2 O{-} = O2 + 2e
HOOC(C6H4)COOKKOH = KOOC(C6H4)COOKH2O =>
HOOC(C6H4)COOKKOH = KOOC(C6H4)COOKH2O
HCOOHNaHCO3 = HCOONaH2OCO2 =>
HCOOHNaHCO3 = HCOONaH2OCO2
HNO3 + Cl2 = HClO3 + H2O + NO2 =>
10 HNO3 + Cl2 = 2 HClO3 + 4 H2O + 10 NO2
SO2 + H2O = O2 + SH2 =>
2 SO2 + 2 H2O = 3 O2 + 2 SH2
CH3CO(NHOH) + FeCl3 = (CH3CONHO)3Fe + HCl =>
3 CH3CO(NHOH) + FeCl3 = (CH3CONHO)3Fe + 3 HCl
LiCI + Br2 = LiBr + CI =>
2 LiCI + Br2 = 2 LiBr + 2 CI
NH3 = N2(H3)2 =>
2 NH3 = N2(H3)2
KH(IO3)2 + Sr(OH)2 = K + H + OH + Sr(IO3)2 =>
KH(IO3)2 + Sr(OH)2 = K + H + 2 OH + Sr(IO3)2
NH3(g) + O2(g) + CH4(g) = HCN(l) + H2O(l) =>
2 NH3(g) + 3 O2(g) + 2 CH4(g) = 2 HCN(l) + 6 H2O(l)
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
Cr + HBr = CrBr3 + H2 =>
2 Cr + 6 HBr = 2 CrBr3 + 3 H2
CrO3(s) + CO(g) = Cr(s) + CO2(g) =>
CrO3(s) + 3 CO(g) = Cr(s) + 3 CO2(g)
CrCl3 + HNO3 + H2O = H2CrO4 + NO2 + HCl =>
CrCl3 + 3 HNO3 + H2O = H2CrO4 + 3 NO2 + 3 HCl
NH3 + NaOH = NH3OH + Na =>
NH3 + NaOH = NH3OH + Na
NaCl + S = Cl2 + Na2S =>
2 NaCl + S = Cl2 + Na2S
Na + HSO4 = NaSO4 + H2 =>
2 Na + 2 HSO4 = 2 NaSO4 + H2
HBr + SO2 = Br + H2O + SO =>
2 HBr + SO2 = 2 Br + H2O + SO
CuCl2 + Li2CO3 = CuCO3 + LiCl =>
CuCl2 + Li2CO3 = CuCO3 + 2 LiCl
CH3CH2OH = H2CCH2 + H2O =>
CH3CH2OH = H2CCH2 + H2O
No3 + Ba(OH)2 = Ba(No3)2 + (OH)2 =>
2 No3 + Ba(OH)2 = Ba(No3)2 + (OH)2
SOCl2 + H2O = HCl + SO2 =>
SOCl2 + H2O = 2 HCl + SO2
VOCl2 + H2O + KMnO4 = H3VO4 + MnCl2 + KCl + HCl =>
5 VOCl2 + 11 H2O + KMnO4 = 5 H3VO4 + MnCl2 + KCl + 7 HCl
Li2SO3 = Li2OSO2 =>
Li2SO3 = Li2OSO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
CuSO4*5H2O = Cu + SO4 + H + O =>
CuSO4*5H2O = Cu + SO4 + 10 H + 5 O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Fe2(SO4)3 + Na3(PO4) = Fe(PO4) + Na2(SO4) =>
Fe2(SO4)3 + 2 Na3(PO4) = 2 Fe(PO4) + 3 Na2(SO4)
WSe2 + Fe7Se8 = Se + W2Fe3 =>
14 WSe2 + 3 Fe7Se8 = 52 Se + 7 W2Fe3
Sn + HCl = SnH + Cl =>
Sn + HCl = SnH + Cl
Cu(SO4) + Hg(NO3)2 = Cu(NO3)2 + Hg(SO4) =>
Cu(SO4) + Hg(NO3)2 = Cu(NO3)2 + Hg(SO4)
CuSO4 + HCl = CuCl2 + SO4 + H =>
CuSO4 + 2 HCl = CuCl2 + SO4 + 2 H
Ag2NO3 = Ag + NO + O2 =>
Ag2NO3 = 2 Ag + NO + O2
K2Cr2O7(aq) + HI(aq) = KI(aq) + CrI3(aq) + I2(s) + H2O(l) =>
K2Cr2O7(aq) + 14 HI(aq) = 2 KI(aq) + 2 CrI3(aq) + 3 I2(s) + 7 H2O(l)
K2Cr2O7 + Fe(SO4) + H2SO4 = Cr2(SO4)3 + K2(SO4) + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 6 Fe(SO4) + 7 H2SO4 = Cr2(SO4)3 + K2(SO4) + 3 Fe2(SO4)3 + 7 H2O
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