Équations équilibrées la veille |
2 HNO4 + Ca(OH)2 = Ca(NO4)2 + 2 H2O
C2H6S + NaOH = C2H5ONa + H2S =>
C2H6S + NaOH = C2H5ONa + H2S
H2(g) + Fe2O3(s) = Fe(s) + H2O(g) =>
3 H2(g) + Fe2O3(s) = 2 Fe(s) + 3 H2O(g)
H2Se + OH = Se + H2O =>
H2Se + 2 OH = Se + 2 H2O
Al(NO3)3 + Ca3(PO4)2 = Al(PO4) + Ca(NO3)2 =>
2 Al(NO3)3 + Ca3(PO4)2 = 2 Al(PO4) + 3 Ca(NO3)2
Al + CuNO3 = Al(NO3) + Cu =>
Al + CuNO3 = Al(NO3) + Cu
Br2 + C8H10 = HBr + C8H9Br =>
Br2 + C8H10 = HBr + C8H9Br
Cr(NO3)2 + NH3 + H2O = Cr(OH)3 + NH4NO3 =>
8 Cr(NO3)2 + 14 NH3 + 21 H2O = 8 Cr(OH)3 + 15 NH4NO3
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
NaNO3 + KSCN = KNO3 + NaSCN =>
NaNO3 + KSCN = KNO3 + NaSCN
Sr + HOH = Sr(OH)2 + H2 =>
Sr + 2 HOH = Sr(OH)2 + H2
NaOH + FeCl3 = Fe(NaOH)3 + Cl =>
3 NaOH + FeCl3 = Fe(NaOH)3 + 3 Cl
Mg(NO3)2 + K3PO4 = Mg(PO4) + K3(NO3)2 =>
Mg(NO3)2 + K3PO4 = Mg(PO4) + K3(NO3)2
NH4OH + OH = N2 + H2O =>
2 NH4OH + 6 OH = N2 + 8 H2O
Pb(NO3)2 + KI = PbI2(ac) + KNO3(s) =>
Pb(NO3)2 + 2 KI = PbI2(ac) + 2 KNO3(s)
IK + Pb(NO3)2 = PbI2 + KNO3 =>
2 IK + Pb(NO3)2 = PbI2 + 2 KNO3
(NH4)2SO4 + Ca(NO3)2 = CaSO4 + NH4(NO3) =>
(NH4)2SO4 + Ca(NO3)2 = CaSO4 + 2 NH4(NO3)
Br2 + NaOH = NaBr + NaOBr + H2O =>
Br2 + 2 NaOH = NaBr + NaOBr + H2O
H4As2O7 + PbO2 = PbAs2O7 + H2O =>
H4As2O7 + PbO2 = PbAs2O7 + 2 H2O
Al + S2 = AlS3 =>
2 Al + 3 S2 = 2 AlS3
XeF2 + S = SF + Xe =>
XeF2 + 2 S = 2 SF + Xe
NaNO2 + NaMnO4 + H2SO4 = MnSO4 + NaNO4 + Na2SO4 + H2O =>
5 NaNO2 + 4 NaMnO4 + 6 H2SO4 = 4 MnSO4 + 5 NaNO4 + 2 Na2SO4 + 6 H2O
Au + HS = Au2S + H2 =>
4 Au + 2 HS = 2 Au2S + H2
C8H8O3 + NaBH4 + H2O = C8H10O3 + H3BO3 + NaOH =>
4 C8H8O3 + NaBH4 + 4 H2O = 4 C8H10O3 + H3BO3 + NaOH
NH4NO3 = N2 + O2 + water =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Cl2 + KNO3 + H2O = KClO + KCl3 + HNO3 =>
2 Cl2 + 2 KNO3 + H2O = KClO + KCl3 + 2 HNO3
Na2CrO7 + SNCl2 + HCl = CrCl3 + SNCl4 + NaCl + H2O =>
2 Na2CrO7 + 9 SNCl2 + 28 HCl = 2 CrCl3 + 9 SNCl4 + 4 NaCl + 14 H2O
CaHPO4*2H2O + NaOH = Ca(OH)2 + H2O + Na3PO4 =>
CaHPO4*2H2O + 3 NaOH = Ca(OH)2 + 3 H2O + Na3PO4
Cl + K2CO3 + H2O = KClO3 + CO2 + H2 =>
2 Cl + K2CO3 + 5 H2O = 2 KClO3 + CO2 + 5 H2
Octane + Oxygen = Carbondioxide + Water =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
KCrO2(ac) + KClO(ac) + KOH = K2CrO4(s) + KCl(ac) + H2O =>
2 KCrO2(ac) + 3 KClO(ac) + 2 KOH = 2 K2CrO4(s) + 3 KCl(ac) + H2O
Cl2 + NaOH = NaCl + ClO + H2 =>
2 Cl2 + 2 NaOH = 2 NaCl + 2 ClO + H2
HI(ac) + H2SO4(ac) = H2S(ac) + I2(s) + H2O =>
8 HI(ac) + H2SO4(ac) = H2S(ac) + 4 I2(s) + 4 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Pb + CuSO4 = PbSO4 + Cu =>
Pb + CuSO4 = PbSO4 + Cu
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4