Équations équilibrées la veille |
2 Cu(NH3)4Cl2 + 7 KCN + H2O = 6 NH3 + 2 NH4Cl + 2 K2Cu(CN)3 + KCNO + 2 KCl
Pb(HCO3)4 = PbO2 + CO2 + H2O =>
Pb(HCO3)4 = PbO2 + 4 CO2 + 2 H2O
C6H5CO2CH3 + NaOH = NaC7H5O2 + CH3OH =>
C6H5CO2CH3 + NaOH = NaC7H5O2 + CH3OH
NH2CHO + O2 = N2 + H2O + CO2 =>
4 NH2CHO + 5 O2 = 2 N2 + 6 H2O + 4 CO2
Fe + NH4SCN = Fe(SCN) + NH4 =>
Fe + NH4SCN = Fe(SCN) + NH4
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
MnSO4 + Br2 + NaOH = Na2MnO4 + NaBr + Na2SO4 + H2O =>
MnSO4 + 2 Br2 + 8 NaOH = Na2MnO4 + 4 NaBr + Na2SO4 + 4 H2O
C6H5NO2 + NaOH = C6H4NO2Na + H2O =>
C6H5NO2 + NaOH = C6H4NO2Na + H2O
CH2 + Cl2 = ClCH2CH2Cl =>
2 CH2 + Cl2 = ClCH2CH2Cl
CH3OOH + KOH = KCH3OO + HOH =>
CH3OOH + KOH = KCH3OO + HOH
NiCl2 + KOH + K2O2 + H2O = KCl + Ni(OH)3 =>
2 NiCl2 + 2 KOH + K2O2 + 2 H2O = 4 KCl + 2 Ni(OH)3
Ca(OH)2 + (NH4)2HPO4 = CaHPO4 + NH4OH =>
Ca(OH)2 + (NH4)2HPO4 = CaHPO4 + 2 NH4OH
FeCl3 + K2C2O4 = K3Fe(C2O4)3 + KCl =>
FeCl3 + 3 K2C2O4 = K3Fe(C2O4)3 + 3 KCl
Ca + NH3 = CaH2 + N2 =>
3 Ca + 2 NH3 = 3 CaH2 + N2
Ca(OH)2 + PbO = CaPbO2 + H2O =>
Ca(OH)2 + PbO = CaPbO2 + H2O
H2NC6H4OH + C4H6O3 = C8H9NO2 + C2H4O2 =>
H2NC6H4OH + C4H6O3 = C8H9NO2 + C2H4O2
Ca + PO4 = CaPO4 =>
Ca + PO4 = CaPO4
C4H6 + HCl = C4H5Cl + H2 =>
C4H6 + HCl = C4H5Cl + H2
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
Ca3(PO4)2 + Mg = Ca3P2 + MgO =>
Ca3(PO4)2 + 8 Mg = Ca3P2 + 8 MgO
ZnBr2 + Na2S = ZnS + BrNa =>
ZnBr2 + Na2S = ZnS + 2 BrNa
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
HClO4 + NaOH = NaClO4 + H2O =>
HClO4 + NaOH = NaClO4 + H2O
S + K2CrO4 = SCrO4 + K2 =>
S + K2CrO4 = SCrO4 + K2
C3H7COOH + NaHCO3 = C3H7COONa + H2CO3 =>
C3H7COOH + NaHCO3 = C3H7COONa + H2CO3
NaCl = Na + Cl =>
NaCl = Na + Cl
Pb(OH)2 + HCl + K2CrO4 = PbCrO4 + KCl + H2O =>
Pb(OH)2 + 2 HCl + K2CrO4 = PbCrO4 + 2 KCl + 2 H2O
ZnBr2 + Na2S = ZnS + Na2Br2 =>
ZnBr2 + Na2S = ZnS + Na2Br2
Mg(NO3)2*6H2O + Fe(NO3)3*9H2O + CH4N2O = MgFe2O4 + CO2 + H2O + N2 =>
3 Mg(NO3)2*6H2O + 6 Fe(NO3)3*9H2O + 20 CH4N2O = 3 MgFe2O4 + 20 CO2 + 112 H2O + 32 N2
CaCO3 + H2 = Ca + H2CO3 =>
CaCO3 + H2 = Ca + H2CO3
C4H9OH + CH3CH2COOH = CH3CH2COOC4H9 + H2O =>
C4H9OH + CH3CH2COOH = CH3CH2COOC4H9 + H2O
K + Na3[Co(NO2)6] = K[Co(NO2)6] + Na =>
K + Na3[Co(NO2)6] = K[Co(NO2)6] + 3 Na
ZnBr2 + Na2S = ZnS + NaBr =>
ZnBr2 + Na2S = ZnS + 2 NaBr
H2S + NH3 = (NH4)2S =>
H2S + 2 NH3 = (NH4)2S
C4H10O3 + OH = CO + H2O =>
C4H10O3 + 12 OH = 4 CO + 11 H2O
CaCl2(aq) + AgNO3 = AgCl(s) + Ca(NO3)2 =>
CaCl2(aq) + 2 AgNO3 = 2 AgCl(s) + Ca(NO3)2
PbCH4 + KMnO4 + H2SO4 = PbCOOH + K2SO4 + Mn2SO4 + H2O =>
12 PbCH4 + 14 KMnO4 + 14 H2SO4 = 12 PbCOOH + 7 K2SO4 + 7 Mn2SO4 + 32 H2O
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
NaCl(l) + HCl(l) + H2O(l) + Fe(s) + O2(g) = NaCl2Fe(OH)3 =>
NaCl(l) + HCl(l) + H2O(l) + Fe(s) + O2(g) = NaCl2Fe(OH)3
CuCl4 + Al = Cu + AlCl4 =>
CuCl4 + Al = Cu + AlCl4
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
CaO(s) + H2SO4(aq) = CaSO4(aq) + H2O(l) =>
CaO(s) + H2SO4(aq) = CaSO4(aq) + H2O(l)
Cl2 + FeBr2 = FeBr3 + FeCl3 =>
3 Cl2 + 6 FeBr2 = 4 FeBr3 + 2 FeCl3
Co + O2 + H2O = Co(OH)3 =>
4 Co + 3 O2 + 6 H2O = 4 Co(OH)3
Cs2CO3 + H2SO4 = Cs2SO4 + H2CO3 =>
Cs2CO3 + H2SO4 = Cs2SO4 + H2CO3
C3H6O + Ag(NH3)2OH = C2H5COOH + Ag + NH3 + H2O =>
C3H6O + 2 Ag(NH3)2OH = C2H5COOH + 2 Ag + 4 NH3 + H2O
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
Cu + H2SO4(aq) = CuSO4(aq) + SO2 + H2O =>
Cu + 2 H2SO4(aq) = CuSO4(aq) + SO2 + 2 H2O
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
CO + NO = CO2 + N2 =>
2 CO + 2 NO = 2 CO2 + N2
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