Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Pb(s) + 2 H3PO4(aq) = 3 H2(g) + Pb3(PO4)2(aq)
Co(OH)2 + H2SO4 = Co{2+} + SO4{2-} + H2O =>
Co(OH)2 + H2SO4 = Co{2+} + SO4{2-} + 2 H2O
HNO3 + SH2 = NO2 + H2O + S =>
2 HNO3 + SH2 = 2 NO2 + 2 H2O + S
C2H5NO2 = C + H + N + O =>
C2H5NO2 = 2 C + 5 H + N + 2 O
C2H5OH + Cr2O7{2-} + H{+} = CH3CO2H + Cr{3+} + H2O =>
3 C2H5OH + 2 Cr2O7{2-} + 16 H{+} = 3 CH3CO2H + 4 Cr{3+} + 11 H2O
V2O5 + Cl2 + C = COCl2 + VOCl3 =>
V2O5 + 6 Cl2 + 3 C = 3 COCl2 + 2 VOCl3
Sr + HBr = SrBr2 + H =>
Sr + 2 HBr = SrBr2 + 2 H
C18H36O2 + O2 = CO2 + H2O =>
C18H36O2 + 26 O2 = 18 CO2 + 18 H2O
Cr2O3 + KClO4 + KOH = K2CrO4 + KCl + H2O =>
4 Cr2O3 + 3 KClO4 + 16 KOH = 8 K2CrO4 + 3 KCl + 8 H2O
I2 + O2 = IO2 =>
I2 + 2 O2 = 2 IO2
Pb + Fe2O3 = Pb2O3 + Fe =>
2 Pb + Fe2O3 = Pb2O3 + 2 Fe
CoCO3 + HAcAc + H2O2 = [Co(AcAc)3] + CO2 + H2O =>
2 CoCO3 + 6 HAcAc + H2O2 = 2[Co(AcAc)3] + 2 CO2 + 4 H2O
(NH4)NO3 = N2 + O2 + H2O =>
2(NH4)NO3 = 2 N2 + O2 + 4 H2O
AgCl + O2 = AgO2 + Cl =>
AgCl + O2 = AgO2 + Cl
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
Ba(OH)2(H2O)8 + NH4NO3 = Ba(NO3)2 + NH3(aq) + H2O =>
Ba(OH)2(H2O)8 + 2 NH4NO3 = Ba(NO3)2 + 2 NH3(aq) + 10 H2O
Li2S = Li + S8 =>
8 Li2S = 16 Li + S8
HBrO = H2 + Br2 + O2 =>
2 HBrO = H2 + Br2 + O2
Fe(NO3)3 + Na2CO3 = FeCO3 + Na2(NO3)3 =>
Fe(NO3)3 + Na2CO3 = FeCO3 + Na2(NO3)3
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
NaOHHCl = NaClH2O =>
NaOHHCl = NaClH2O
Na2S2O3 + H2O = Na2S2O3*5H2O =>
Na2S2O3 + 5 H2O = Na2S2O3*5H2O
Fe + H{+} = Fe{+2} + H2 =>
Fe + 2 H{+} = Fe{+2} + H2
Mg + CuCl2 = MgCl2 + Cu2 =>
2 Mg + 2 CuCl2 = 2 MgCl2 + Cu2
CuSO4(aq) + NH4Cl(aq) = CuCl2(aq) + (NH4)2SO4(aq) =>
CuSO4(aq) + 2 NH4Cl(aq) = CuCl2(aq) + (NH4)2SO4(aq)
C4H6O6 + BaCO3 = Ba(C4H4O6) + CO2 + H2O =>
C4H6O6 + BaCO3 = Ba(C4H4O6) + CO2 + H2O
K3P + H2O = KOH + PH3 =>
K3P + 3 H2O = 3 KOH + PH3
KBr + H2SO4 = Br2 + SO2 + H2O + KHSO4 =>
2 KBr + 3 H2SO4 = Br2 + SO2 + 2 H2O + 2 KHSO4
Al(OH)3(ac) = Al2O3(ac) + H2O(l) =>
2 Al(OH)3(ac) = Al2O3(ac) + 3 H2O(l)
Na2CO2 + CH3COOH = NaHCO3 + CH3COONa =>
4 Na2CO2 + 5 CH3COOH = 2 NaHCO3 + 6 CH3COONa
Cu + NO3H = (NO3)2Cu + NO2 + H2O =>
Cu + 4 NO3H = (NO3)2Cu + 2 NO2 + 2 H2O
SiO2 + Al2O3 = Al4(SiO4)3 =>
3 SiO2 + 2 Al2O3 = Al4(SiO4)3
KNO3 + C2 = K2CO3 + CO + N =>
2 KNO3 + 2 C2 = K2CO3 + 3 CO + 2 N
C9H11O2N + O2 = CO2 + H2O + NO3 =>
4 C9H11O2N + 49 O2 = 36 CO2 + 22 H2O + 4 NO3
KCl + HCl = KHCl2 =>
KCl + HCl = KHCl2
K2Cr2O7 + VCl3 + HCl = CrCl3 + VOCl2 + KCl + H2O =>
K2Cr2O7 + 6 VCl3 + 2 HCl = 2 CrCl3 + 6 VOCl2 + 2 KCl + H2O
AgNO3 + MgI2 = AgI + Mg(NO3)2 =>
2 AgNO3 + MgI2 = 2 AgI + Mg(NO3)2
NaBr(electricity) = Na + Br =>
NaBr(electricity) = Na + Br
Na + C = Na2C =>
2 Na + C = Na2C
NaI + AgNO3 = AgI + NaNO3 =>
NaI + AgNO3 = AgI + NaNO3
K3[Cr(OH)6] = Cr(OH)3 + KOH =>
K3[Cr(OH)6] = Cr(OH)3 + 3 KOH
CuCl2 + H2SO4 = CuSO4 + HCl =>
CuCl2 + H2SO4 = CuSO4 + 2 HCl