Équations équilibrées la veille |
BaCl2 + 2 NaOH = Ba(OH)2 + 2 NaCl
Mg(OH)2 + H3PO4 = (MgOH)3PO4 + H2O =>
3 Mg(OH)2 + H3PO4 = (MgOH)3PO4 + 3 H2O
Cu + HNO3 = CuNO3 + NO2 + H2O =>
Cu + 2 HNO3 = CuNO3 + NO2 + H2O
S8 + Br = SBr6 =>
S8 + 48 Br = 8 SBr6
Zn(s) + Pb(C2H3O2)2(aq) = Zn(C2H3O2)2(aq) + Pb(s) =>
Zn(s) + Pb(C2H3O2)2(aq) = Zn(C2H3O2)2(aq) + Pb(s)
Ni(s) + MgSO4(aq) = NiSO4 + Mg =>
Ni(s) + MgSO4(aq) = NiSO4 + Mg
HgCl2 + H2O = Hg + O + HCl =>
HgCl2 + H2O = Hg + O + 2 HCl
Na2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + NaOH + H2O =>
3 Na2S + 4 K2Cr2O7 + 13 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 6 NaOH + 10 H2O
NO + Cu(NO3)2 + H2O = Cu + HNO3 =>
2 NO + 3 Cu(NO3)2 + 4 H2O = 3 Cu + 8 HNO3
Cu2O + CH4 = H2O + Cu + CO2 =>
4 Cu2O + CH4 = 2 H2O + 8 Cu + CO2
Br + HI = BrI + H2 =>
2 Br + 2 HI = 2 BrI + H2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
BaCO3 + Sr(OH)2 = Ba(OH)2 + Sr(CO3) =>
BaCO3 + Sr(OH)2 = Ba(OH)2 + Sr(CO3)
Br2 + CaCl2 = Ca + BrCl =>
Br2 + CaCl2 = Ca + 2 BrCl
CH3CCNa + CH3CHBrCH3 = CH3CCCH3CHCH3 + NaBr =>
CH3CCNa + CH3CHBrCH3 = CH3CCCH3CHCH3 + NaBr
NH3 + ClO = N2H4 + Cl + H2O =>
2 NH3 + ClO = N2H4 + Cl + H2O
Na + H2SO4 = NaSO4 + S2 + H2O =>
6 Na + 8 H2SO4 = 6 NaSO4 + S2 + 8 H2O
Na2(CrO4) + H2SO4 = Na2Cr2O7 + Na2SO4 + H2O =>
2 Na2(CrO4) + H2SO4 = Na2Cr2O7 + Na2SO4 + H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CH3COONa + FeCl3 + H2O = Fe(OH)2CH3COO + CH3COOH + NaCl =>
3 CH3COONa + FeCl3 + 2 H2O = Fe(OH)2CH3COO + 2 CH3COOH + 3 NaCl
C6H5CH3 + Cl2 = C6H5Cl3CH3 =>
2 C6H5CH3 + 3 Cl2 = 2 C6H5Cl3CH3
HCN + MgOH = H2O + MgCN =>
HCN + MgOH = H2O + MgCN
BaCl2(aq) + K2SO4(aq) = Ba2 + SO4(s) + KCl(aq) =>
2 BaCl2(aq) + 2 K2SO4(aq) = Ba2 + 2 SO4(s) + 4 KCl(aq)
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Na2[Zn(OH)4] + SO2 = Na2SO3 + ZnSO3 + H2O =>
Na2[Zn(OH)4] + 2 SO2 = Na2SO3 + ZnSO3 + 2 H2O
C4H8O2 + NaOH = NaC4H6O + CO2 + H2O =>
21 C4H8O2 + 20 NaOH = 20 NaC4H6O + 4 CO2 + 34 H2O
(NH4)2S + H2SO4 = (NH4)2SO4 + S + H2 =>
(NH4)2S + H2SO4 = (NH4)2SO4 + S + H2
Fe(OH)2 + Mn = MnO2 + Fe + H2O =>
2 Fe(OH)2 + Mn = MnO2 + 2 Fe + 2 H2O
N2 + HCl = NH4Cl + Cl2 =>
N2 + 8 HCl = 2 NH4Cl + 3 Cl2
C12H22O + O2 = CO2 + H2O =>
C12H22O + 17 O2 = 12 CO2 + 11 H2O
KCr(SO4)2 + K2S + H2O = K2Cr2O7 + K2SO4 + H2S =>
8 KCr(SO4)2 + 13 K2S + 16 H2O = 4 K2Cr2O7 + 13 K2SO4 + 16 H2S
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
K2S + HNO2 = KNO2 + H2S =>
K2S + 2 HNO2 = 2 KNO2 + H2S
BrCl + H2O = HCl + Br2 + O2 =>
4 BrCl + 2 H2O = 4 HCl + 2 Br2 + O2
Na3PO4 + KHSO4 = H3PO4 + Na2SO4 + K2SO4 =>
2 Na3PO4 + 6 KHSO4 = 2 H3PO4 + 3 Na2SO4 + 3 K2SO4
AlCl3 + Na2CO3 = Al2O3 + NaCl + CO2 =>
2 AlCl3 + 3 Na2CO3 = Al2O3 + 6 NaCl + 3 CO2
Ca6 + P4 = Ca6P4 =>
Ca6 + P4 = Ca6P4
(CH2OH)2 + H2O = CH3OH + HCOOH =>
2(CH2OH)2 + H2O = 3 CH3OH + HCOOH
Al + Na2CO3 + H2O = NaAl(OH)4 + NaHCO3 + H2 =>
2 Al + 2 Na2CO3 + 8 H2O = 2 NaAl(OH)4 + 2 NaHCO3 + 3 H2
H2O2 + Ca = Ca(OH)2 =>
H2O2 + Ca = Ca(OH)2
Fe3Si2O5(OH)4 + CO2 + H2O = FeCO3 + H4SiO4 =>
Fe3Si2O5(OH)4 + 3 CO2 + 2 H2O = 3 FeCO3 + 2 H4SiO4
AgSO4 = Ag(s) + SO3(g) + O(g) =>
AgSO4 = Ag(s) + SO3(g) + O(g)
CaCO3(s) + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3(s) + H2SO4 = CaSO4 + H2O + CO2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
KOHCO2 = KO2COH =>
KOHCO2 = KO2COH
Na2SO4(NH4I) = Na2SO4 + NH4I =>
Na2SO4(NH4I) = Na2SO4 + NH4I
H3PO4 + NaNO2 = NO + NO2 + H2O + Na3PO4 =>
2 H3PO4 + 6 NaNO2 = 3 NO + 3 NO2 + 3 H2O + 2 Na3PO4
Al(NO3)3 + NaF = NaNO3 + AlF3 =>
Al(NO3)3 + 3 NaF = 3 NaNO3 + AlF3
MoS2 + CaO + O2 = CaMoO4 + CaSO4 =>
2 MoS2 + 6 CaO + 9 O2 = 2 CaMoO4 + 4 CaSO4
NaClO3 + KJ + H2SO4 = NaCl + J2 + K2SO4 + H2O =>
NaClO3 + 6 KJ + 3 H2SO4 = NaCl + 3 J2 + 3 K2SO4 + 3 H2O
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