Équations équilibrées la veille |
2 NaOH + H3PO4 = 2 H2O + Na2HPO4
MgI2 + Mn(C2H3O2)4 = MnI4 + Mg(C2H3O2)2 =>
2 MgI2 + Mn(C2H3O2)4 = MnI4 + 2 Mg(C2H3O2)2
NaOH + KCl = NaCl + HCl + K2O =>
NaOH + 2 KCl = NaCl + HCl + K2O
Na2S + Cu(OAc)2 = NaOAc + CuS =>
Na2S + Cu(OAc)2 = 2 NaOAc + CuS
PH4I + KMnO4 + H2SO4 = PH3 + K2SO4 + H2O + I2 + MnSO4 =>
10 PH4I + 2 KMnO4 + 3 H2SO4 = 10 PH3 + K2SO4 + 8 H2O + 5 I2 + 2 MnSO4
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
FeS2 + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeS2 + 14 H2SO4 = Fe2(SO4)3 + 14 H2O + 15 SO2
MgCl2 + (NH4)2S = MgS + (NH4)Cl =>
MgCl2 + (NH4)2S = MgS + 2(NH4)Cl
[Co(SCN)4]{2-} + H2O = SCN{-} + [Co(H2O)4]{2+} =>
[Co(SCN)4]{2-} + 4 H2O = 4 SCN{-} + [Co(H2O)4]{2+}
MgOAl(OH)3 = Mg(OH)3AlO =>
MgOAl(OH)3 = Mg(OH)3AlO
Cs + NaOH = NaCsO + H2 =>
2 Cs + 2 NaOH = 2 NaCsO + H2
Na2CrO4 + H2S + H2SO4 = Cr2(SO4)3 + Na2SO3 + H2O =>
8 Na2CrO4 + 5 H2S + 15 H2SO4 = 4 Cr2(SO4)3 + 8 Na2SO3 + 20 H2O
Fe(SCN)3 + NaOH = Fe(OH)3 + NaSCN =>
Fe(SCN)3 + 3 NaOH = Fe(OH)3 + 3 NaSCN
NaBr + HCl = NaCl + HBr =>
NaBr + HCl = NaCl + HBr
PH4I + KMnO4 + H2SO4 = PH3 + K2SO4 + H2O + I2 + MnSO4 =>
10 PH4I + 2 KMnO4 + 3 H2SO4 = 10 PH3 + K2SO4 + 8 H2O + 5 I2 + 2 MnSO4
FeS2 + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeS2 + 14 H2SO4 = Fe2(SO4)3 + 14 H2O + 15 SO2
P + Cl2 = P2Cl6 =>
2 P + 3 Cl2 = P2Cl6
KMnO4 + FeSO4 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
2 KMnO4 + 10 FeSO4 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3 + 8 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Al + H2SO4 = Al2(SO4)2 + H2 =>
2 Al + 2 H2SO4 = Al2(SO4)2 + 2 H2
Cu + N = Cu(N3)2 =>
Cu + 6 N = Cu(N3)2
CrCl3 + KOH = Cr(OH)3 + KCl =>
CrCl3 + 3 KOH = Cr(OH)3 + 3 KCl
Bi(OH)3 + HNO3 = Bi(NO3)2OH + H2O =>
Bi(OH)3 + 2 HNO3 = Bi(NO3)2OH + 2 H2O
AICI + NaOH = AI(OH) + NaCI =>
AICI + NaOH = AI(OH) + NaCI
CH3COOH + NaOH = CH4 + COONa + H2O =>
7 CH3COOH + 8 NaOH = 6 CH4 + 8 COONa + 6 H2O
PH4I + KMnO4 + H2SO4 = PH3 + K2SO4 + H2O + I2 + MnSO4 =>
10 PH4I + 2 KMnO4 + 3 H2SO4 = 10 PH3 + K2SO4 + 8 H2O + 5 I2 + 2 MnSO4
FeCl3 + MnSO4 = FeSO4 + MnCl3 =>
FeCl3 + MnSO4 = FeSO4 + MnCl3
NaCl + Mn02 + H2SO4 = Cl2 + MnS04 + Na2SO4 + H2O =>
48 NaCl + Mn02 + 32 H2SO4 = 24 Cl2 + 2 MnS04 + 24 Na2SO4 + 32 H2O
Ca(No3)2 + K = Ca + KNo3 =>
Ca(No3)2 + 2 K = Ca + 2 KNo3
(NH4)2S(aq) + BaCl2(aq) = BaS(s) + NH4Cl(aq) =>
(NH4)2S(aq) + BaCl2(aq) = BaS(s) + 2 NH4Cl(aq)
S2 + Br2 = SBr2 =>
S2 + 2 Br2 = 2 SBr2
Pb2O3 = PbO + O2 =>
2 Pb2O3 = 4 PbO + O2
MgSiO3 = MgO + SiO2 =>
MgSiO3 = MgO + SiO2
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Fe2 + F2 = FeF2 =>
Fe2 + 2 F2 = 2 FeF2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe{3}{+} + Fe = Fe{2}{+} =>
2 Fe{3}{+} + Fe = 3 Fe{2}{+}
C6H5NO + Na2S + H2O = C6H5NH2 + Na2S2O3 + NaOH =>
2 C6H5NO + 2 Na2S + 3 H2O = 2 C6H5NH2 + Na2S2O3 + 2 NaOH
Ca(NO3)2 + Li2CO3 = Ca(CO3) + LiNO3 =>
Ca(NO3)2 + Li2CO3 = Ca(CO3) + 2 LiNO3
Na2SiO3 + H2O = NaOH + SiO2 =>
Na2SiO3 + H2O = 2 NaOH + SiO2
(CuOH)2CO3 = CuO + CO2 + H2O =>
(CuOH)2CO3 = 2 CuO + CO2 + H2O
Na2SiO3 + H2O = NaOH + SiO2 =>
Na2SiO3 + H2O = 2 NaOH + SiO2
Mn + HNO3 = Mn(NO3)2 + NO2 + H2O =>
Mn + 4 HNO3 = Mn(NO3)2 + 2 NO2 + 2 H2O
Na2SiO3 + H2O = NaOH + SiO2 =>
Na2SiO3 + H2O = 2 NaOH + SiO2
Ca3(PO4)2 + C + SiO2 = CaSiO3 + CO + P =>
Ca3(PO4)2 + 5 C + 3 SiO2 = 3 CaSiO3 + 5 CO + 2 P
NH4H5(PO4)2 = P2O5 + H2O + NH3 =>
NH4H5(PO4)2 = P2O5 + 3 H2O + NH3
H4As2O5 + Ce(OH)3 = Ce4(As2O5)3 + H2O =>
3 H4As2O5 + 4 Ce(OH)3 = Ce4(As2O5)3 + 12 H2O
H2CO3 = H2O + H2C2O5 =>
2 H2CO3 = H2O + H2C2O5
Cu(SO4) + KOH = Cu(OH)2 + K2(SO4) =>
Cu(SO4) + 2 KOH = Cu(OH)2 + K2(SO4)
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