Équations équilibrées la veille |
Mg + CrI3 = MgCrI3
FeCl3 + Na2S = FeCl2 + S + NaCl =>
2 FeCl3 + Na2S = 2 FeCl2 + S + 2 NaCl
(NH4)2Cr2O7 = Cr2O3 + H2O + N2 =>
(NH4)2Cr2O7 = Cr2O3 + 4 H2O + N2
HClO4 + H2O = H3O + ClO4 =>
HClO4 + H2O = H3O + ClO4
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
WB + Al = AlB2 + W =>
2 WB + Al = AlB2 + 2 W
(NH4)2Cr2O7 = Cr2O3 + H2O + N2(g) =>
(NH4)2Cr2O7 = Cr2O3 + 4 H2O + N2(g)
Zn(OH)2 + HBr = ZnBr2 + H2O =>
Zn(OH)2 + 2 HBr = ZnBr2 + 2 H2O
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
HCl(aq) + NH3(aq) = NH4Cl(aq) =>
HCl(aq) + NH3(aq) = NH4Cl(aq)
Ca(NO3)2 + O2 = CaO + NO3 =>
2 Ca(NO3)2 + O2 = 2 CaO + 4 NO3
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Pb + HF = PbF2 + H2 =>
Pb + 2 HF = PbF2 + H2
CU + H2O = CUOH + H2 =>
2 CU + 2 H2O = 2 CUOH + H2
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
Cu(NO3)2 + Na2Cr2O7 = CuCr2O7 + NaNO3 =>
Cu(NO3)2 + Na2Cr2O7 = CuCr2O7 + 2 NaNO3
Na2S + CdSO4 = Na2(SO4) + CdS =>
Na2S + CdSO4 = Na2(SO4) + CdS
La2O3 + BaCO3 + NiO = LaBaNiO4 + O2 + CO =>
2 La2O3 + 4 BaCO3 + 4 NiO = 4 LaBaNiO4 + O2 + 4 CO
Al2(CO3)3 + HIO4 = Al(IO4)3 + CO2 + H2O =>
Al2(CO3)3 + 6 HIO4 = 2 Al(IO4)3 + 3 CO2 + 3 H2O
Ba + H2SO4 = Ba3SO4 + H2 =>
3 Ba + H2SO4 = Ba3SO4 + H2
HPO3(s) + C(s) = H2 + CO + P4 =>
4 HPO3(s) + 12 C(s) = 2 H2 + 12 CO + P4
Cu + K2O = CuK2O =>
Cu + K2O = CuK2O
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
CuCO3 + KI = CuI + K2CO3 + I2 =>
2 CuCO3 + 4 KI = 2 CuI + 2 K2CO3 + I2
Zn(CH3COO)2*2H2O + Ce(NO3)3*6H2O = Ce + Zn(OH)2 + H2O + CO2 + HNO3 =>
3 Zn(CH3COO)2*2H2O + 16 Ce(NO3)3*6H2O = 16 Ce + 3 Zn(OH)2 + 84 H2O + 12 CO2 + 48 HNO3
KNO2 = K2O + NO2 + NO =>
2 KNO2 = K2O + NO2 + NO
Na2S2O8 + MnC4H6O4 = Na2MnO4 + S2O8C4H6 =>
Na2S2O8 + MnC4H6O4 = Na2MnO4 + S2O8C4H6
FeCO + H2O = FeCO3 + H =>
FeCO + 2 H2O = FeCO3 + 4 H
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Cu + NaOH = CuO + Na2O + H2 =>
Cu + 2 NaOH = CuO + Na2O + H2
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
NaNO3(aq) + KCl(aq) = NaCl(s) + KNO3(aq) =>
NaNO3(aq) + KCl(aq) = NaCl(s) + KNO3(aq)
Co + N2 = CoN2 =>
Co + N2 = CoN2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
(NH4)2O + HIO4 = NH4IO4 + H2O =>
(NH4)2O + 2 HIO4 = 2 NH4IO4 + H2O
FeCl3 + Na2SiO3 = Fe2(SiO3)3 + NaCl =>
2 FeCl3 + 3 Na2SiO3 = Fe2(SiO3)3 + 6 NaCl
CuSO4(aq) + Zn(NO3)2(aq) = Cu(NO3)2(aq) + ZnSO4 =>
CuSO4(aq) + Zn(NO3)2(aq) = Cu(NO3)2(aq) + ZnSO4
FeS + H2Cr2O7 = FeCr2O7 + H2S =>
FeS + H2Cr2O7 = FeCr2O7 + H2S
CaO + P2O5 = Ca3 + (PO4)2 =>
3 CaO + P2O5 = Ca3 + (PO4)2
CuSO4 + K2Co3 = CuCo3 + K2SO4 =>
CuSO4 + K2Co3 = CuCo3 + K2SO4
CH4O + H2SO4 + K2Cr2O7 = CH2O2 + K2SO4 + Cr2SO4 + H2O =>
5 CH4O + 4 H2SO4 + 2 K2Cr2O7 = 5 CH2O2 + 2 K2SO4 + 2 Cr2SO4 + 9 H2O
NO2{-} + Al + H2O = NH3 + Al(OH)4{-} + OH =>
NO2{-} + Al + 5 H2O = NH3 + Al(OH)4{-} + 3 OH
Ca(NO3)2 + KCl = CaCl2 + KNO3 =>
Ca(NO3)2 + 2 KCl = CaCl2 + 2 KNO3
CH3COOH + Zn = CH3COOZn + H2 =>
2 CH3COOH + 2 Zn = 2 CH3COOZn + H2
HNO3(aq) + KHCO3(aq) = KNO3(aq) + H2CO3(aq) =>
HNO3(aq) + KHCO3(aq) = KNO3(aq) + H2CO3(aq)
(NH4)2O = H2O + NH3 =>
(NH4)2O = H2O + 2 NH3
HNO3(aq) + KHCO3(aq) = KNO3(aq) + H2CO3(aq) =>
HNO3(aq) + KHCO3(aq) = KNO3(aq) + H2CO3(aq)
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
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