Équations équilibrées la veille |
Hf + 5 H2SO4 = H2[Hf(SO4)3] + 2 SO2 + 4 H2O
H2CO3 + Ca(OH)2 = CaCO3 + H2O =>
H2CO3 + Ca(OH)2 = CaCO3 + 2 H2O
KBrO3 + H2SO4 = Br2 + O2 + K2SO4 + H2O =>
4 KBrO3 + 2 H2SO4 = 2 Br2 + 5 O2 + 2 K2SO4 + 2 H2O
HF + H2SO4 = F2 + H2S + H2O =>
8 HF + H2SO4 = 4 F2 + H2S + 4 H2O
Na2Cr2O7 + KI + HCl = CrCl3 + KCl + I2 + H2O + NaCl =>
Na2Cr2O7 + 6 KI + 14 HCl = 2 CrCl3 + 6 KCl + 3 I2 + 7 H2O + 2 NaCl
Ba(OH)2(aq) + CH3COOH(aq) = H2O(l) + Ba(CH3COO)2(aq) =>
Ba(OH)2(aq) + 2 CH3COOH(aq) = 2 H2O(l) + Ba(CH3COO)2(aq)
U + CaO = UO2 + Ca =>
U + 2 CaO = UO2 + 2 Ca
Zn + CuSO4 + H2O = Cu(OH)2 + ZnSO4 + H2 =>
Zn + CuSO4 + 2 H2O = Cu(OH)2 + ZnSO4 + H2
K3PO4(s) = K(aq) + PO4(aq) =>
K3PO4(s) = 3 K(aq) + PO4(aq)
Al2(CO3)3 + H2SO4 = Al2(SO4)3 + H2O + CO2 =>
Al2(CO3)3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O + 3 CO2
C3H6 + O2(g) = CO2(g) + H2O =>
2 C3H6 + 9 O2(g) = 6 CO2(g) + 6 H2O
CH3CH2CHO + KMnO4 + KOH = CH3CH2COOK + MnO2 + H2O =>
3 CH3CH2CHO + 2 KMnO4 + KOH = 3 CH3CH2COOK + 2 MnO2 + 2 H2O
SF6 + H2O = SO3 + HF =>
SF6 + 3 H2O = SO3 + 6 HF
NH4HCO3(aq) + HCl(aq) = NH4Cl(aq) + H2O(l) + CO2(g) =>
NH4HCO3(aq) + HCl(aq) = NH4Cl(aq) + H2O(l) + CO2(g)
P4O6 + NaOH = Na2PHO3 + H2O =>
P4O6 + 8 NaOH = 4 Na2PHO3 + 2 H2O
C4H6O3 = C3H6O + CO2 =>
C4H6O3 = C3H6O + CO2
Al2(SO4)3 + K2CrO4 = SO4K2 + Al2(CrO4)3 =>
Al2(SO4)3 + 3 K2CrO4 = 3 SO4K2 + Al2(CrO4)3
Cu(SO4) + NaOH = Cu(OH)2 + Na2SO4 =>
Cu(SO4) + 2 NaOH = Cu(OH)2 + Na2SO4
N4 + O2 = NO2 =>
N4 + 4 O2 = 4 NO2
Bi(NO3)3 + NaOH + Na2SnO2 + H2O = Bi + Na2Sn(OH)6 + NaNO3 =>
2 Bi(NO3)3 + 6 NaOH + 3 Na2SnO2 + 6 H2O = 2 Bi + 3 Na2Sn(OH)6 + 6 NaNO3
H3(PO4) + Li(OH) = H2O + LiH2(PO4) =>
H3(PO4) + Li(OH) = H2O + LiH2(PO4)
C2H4Cl2 + K = C2H4 + KCl =>
C2H4Cl2 + 2 K = C2H4 + 2 KCl
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
PBO(s) = PB(s) + O2(g) =>
2 PBO(s) = 2 PB(s) + O2(g)
KMnO4 + HCHO + NaOH = HCOOH + K2MnO4 + Na2MnO4 + H2O =>
2 KMnO4 + HCHO + 2 NaOH = HCOOH + K2MnO4 + Na2MnO4 + H2O
Na3AlO3 + H2SO4 = Al2(SO4)3 + Na2SO4 + H2O =>
2 Na3AlO3 + 6 H2SO4 = Al2(SO4)3 + 3 Na2SO4 + 6 H2O
KI + Mg = MgI2 + K =>
2 KI + Mg = MgI2 + 2 K
C6H8 + KMnO4 + H2SO4 = C6H10O4 + MnSO4 + K2SO4 + H2O =>
5 C6H8 + 6 KMnO4 + 9 H2SO4 = 5 C6H10O4 + 6 MnSO4 + 3 K2SO4 + 4 H2O
MnO2 + HF = MnF2 + O2 + H2O =>
2 MnO2 + 4 HF = 2 MnF2 + O2 + 2 H2O
C7H8NO2 + KMnO4 + H2SO4 = C7H6NO4 + K2SO4 + MnSO4 + H2O =>
5 C7H8NO2 + 6 KMnO4 + 9 H2SO4 = 5 C7H6NO4 + 3 K2SO4 + 6 MnSO4 + 14 H2O
Mg(CIO3)2 = Mg + (CIO3)2 =>
Mg(CIO3)2 = Mg + (CIO3)2
C3H5N2 + O2 = CO2 + H2O + NO2 =>
4 C3H5N2 + 25 O2 = 12 CO2 + 10 H2O + 8 NO2
AgNO3(aq) + CaCl2(s) = AgCl(s) + Ca(NO3)2 =>
2 AgNO3(aq) + CaCl2(s) = 2 AgCl(s) + Ca(NO3)2
NaOH + Fe(SCN)3 = Fe(OH)3 + Na + SCN =>
3 NaOH + Fe(SCN)3 = Fe(OH)3 + 3 Na + 3 SCN
Al + CCl4 = AlCl3 + C =>
4 Al + 3 CCl4 = 4 AlCl3 + 3 C
C2H3OF + H2O = C2H4O2 + HF =>
C2H3OF + H2O = C2H4O2 + HF
H2SO4 + LiOH = H2O + Li2SO4 =>
H2SO4 + 2 LiOH = 2 H2O + Li2SO4
K(s) + N2(g) = K3N(s) =>
6 K(s) + N2(g) = 2 K3N(s)
Sr(OH)2 + Cl2 = SrCl2 + SrClO3 + H2O =>
6 Sr(OH)2 + 5 Cl2 = 4 SrCl2 + 2 SrClO3 + 6 H2O
Cd(NO3)2 + Na3PO4 = Cd3(PO4)2 + NaNO3 =>
3 Cd(NO3)2 + 2 Na3PO4 = Cd3(PO4)2 + 6 NaNO3
N2O5(g) + H2O = HNO3 =>
N2O5(g) + H2O = 2 HNO3
Pb(NO3)2 + Cl2 = PbCl2 + NO3 =>
Pb(NO3)2 + Cl2 = PbCl2 + 2 NO3
C6H10 + Na2Cr2O7 + H2SO4 = C6H10O4 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C6H10 + 4 Na2Cr2O7 + 16 H2SO4 = 3 C6H10O4 + 4 Cr2(SO4)3 + 4 Na2SO4 + 16 H2O
AgNO3(aq) + Ba(OH)2(aq) = AgOH(aq) + Ba(NO3)2(aq) =>
2 AgNO3(aq) + Ba(OH)2(aq) = 2 AgOH(aq) + Ba(NO3)2(aq)
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
P(s) + Cl2 = PCl5 =>
2 P(s) + 5 Cl2 = 2 PCl5
ZnO + Li2CO3 + H3PO4 + Nd(OH)3 = (Nd2O3)5(Li2O)25(ZnO)30(P2O5)40 + CO2 + H2O =>
30 ZnO + 25 Li2CO3 + 80 H3PO4 + 10 Nd(OH)3 = (Nd2O3)5(Li2O)25(ZnO)30(P2O5)40 + 25 CO2 + 135 H2O
NaCl + FrOH = NaOH + FrCl =>
NaCl + FrOH = NaOH + FrCl
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Pb(OH)2 + OH = [Pb(OH)4] =>
Pb(OH)2 + 2 OH = [Pb(OH)4]
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