Équations équilibrées la veille |
2 CH3CH2CH(CH3)CH2OH + KMnO4 + 2 H2SO4 = 2 CH3CH(CH3)CH2COH + MnSO4 + 4 H2O + KSO4
Ca + Fe(NO2)2 = Ca(NO2)2 + Fe =>
Ca + Fe(NO2)2 = Ca(NO2)2 + Fe
Ca(OH)2 + NH4Cl = NH4OH + CaCl2 =>
Ca(OH)2 + 2 NH4Cl = 2 NH4OH + CaCl2
SrCO3 = CO2 + SrO =>
SrCO3 = CO2 + SrO
C7H6O + Cu(OH)2 = C7H6O2 + Cu2O + H2O =>
C7H6O + 2 Cu(OH)2 = C7H6O2 + Cu2O + 2 H2O
BrO3{-} + Br2{+} = Br2 + O2 =>
2 BrO3{-} + 2 Br2{+} = 3 Br2 + 3 O2
Ni + Cu2O = Cu2 + NiO =>
Ni + Cu2O = Cu2 + NiO
NaHCO3(s) = NaOH(s) + CO2(g) =>
NaHCO3(s) = NaOH(s) + CO2(g)
Au + NaCn + O2 + H2O = NaAu(Cn2) + NaOH =>
4 Au + 8 NaCn + O2 + 2 H2O = 4 NaAu(Cn2) + 4 NaOH
H2S + Ca(OH)2 = H2O + CaS =>
H2S + Ca(OH)2 = 2 H2O + CaS
KBr + NaOH = Br2 + KOH + Na =>
2 KBr + 2 NaOH = Br2 + 2 KOH + 2 Na
HCl + LiNO3 = LiH + ClNO3 =>
HCl + LiNO3 = LiH + ClNO3
K3C6H5O7 = K + C6H5O7 =>
K3C6H5O7 = 3 K + C6H5O7
AgNO3 + FeCl3 = AgCl + Fe(NO3)3 =>
3 AgNO3 + FeCl3 = 3 AgCl + Fe(NO3)3
PbO + HF = PbF2 + H2O =>
PbO + 2 HF = PbF2 + H2O
Na2SO4 + BaOH2 = Na2OH2 + BaSO4 =>
Na2SO4 + BaOH2 = Na2OH2 + BaSO4
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
BaO + Na2O = Na2BaO2 =>
BaO + Na2O = Na2BaO2
Zn + NO2 = ZnO + NO =>
Zn + NO2 = ZnO + NO
AgNO3 + CuCl2 = AgNO3CuCl2 =>
AgNO3 + CuCl2 = AgNO3CuCl2
Ca + As = CaAs =>
Ca + As = CaAs
C3H7COOH + Zn = (C3H7COO)2Zn + H2 =>
2 C3H7COOH + Zn = (C3H7COO)2Zn + H2
HNO2 + MgO = MgNO2 + OH =>
HNO2 + MgO = MgNO2 + OH
HBr + BSr(OH)2 = H2O + BSrBr2 =>
2 HBr + BSr(OH)2 = 2 H2O + BSrBr2
NaOH(ac) + PB(NO3)2(ac) = PB(OH)2(s) + NaNO3(ac) =>
2 NaOH(ac) + PB(NO3)2(ac) = PB(OH)2(s) + 2 NaNO3(ac)
NaHCO3 + HOH = NaOH + H2CO3 =>
NaHCO3 + HOH = NaOH + H2CO3
H11COH + Ag2O = H11COOH + Ag =>
H11COH + Ag2O = H11COOH + 2 Ag
C6H7NO3S + Na2CO3 = C6H6NO3NaS + NaCHO3 =>
C6H7NO3S + Na2CO3 = C6H6NO3NaS + NaCHO3
OF2 + SO2 = SO3 + F2 =>
OF2 + SO2 = SO3 + F2
Fe + Zn(NO3)4 = FeNO3 + Zn =>
4 Fe + Zn(NO3)4 = 4 FeNO3 + Zn
FeS2 = S + FeS =>
FeS2 = S + FeS
NH4Cl + NaNO2 = NaCl + NH2O =>
NH4Cl + NaNO2 = NaCl + 2 NH2O
MgS + PO4 = MgPO4 + S =>
MgS + PO4 = MgPO4 + S
Al2(SO4)3 + KI = AlK3 + I2(SO4) =>
Al2(SO4)3 + 6 KI = 2 AlK3 + 3 I2(SO4)
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CHCH + Na = CHCNa + H =>
CHCH + Na = CHCNa + H
Li3PO4 + NaBr = LiBr + Na3(PO4) =>
Li3PO4 + 3 NaBr = 3 LiBr + Na3(PO4)
K2MnO4 + Na2SO3 + H2O = MnO2 + NaOH + K2SO4 =>
K2MnO4 + Na2SO3 + H2O = MnO2 + 2 NaOH + K2SO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CH3COOH + Mg = H2 + Mg(CH3COO)2 =>
2 CH3COOH + Mg = H2 + Mg(CH3COO)2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
C18H37NH2 = C18H36 + NH3 =>
C18H37NH2 = C18H36 + NH3
PbO2 + MnO + H{+} = Pb{2+} + MnO4{-} + H2O =>
5 PbO2 + 2 MnO + 8 H{+} = 5 Pb{2+} + 2 MnO4{-} + 4 H2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Mg3As2 + HCl = AsH3 + MgCl2 =>
Mg3As2 + 6 HCl = 2 AsH3 + 3 MgCl2
FeS2 = S + FeS =>
FeS2 = S + FeS
Mg(NO3)2 + NH4OH + Na2HPO4 = NaNO3 + MgNH4PO4 + H2O =>
Mg(NO3)2 + NH4OH + Na2HPO4 = 2 NaNO3 + MgNH4PO4 + H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
V2O5 + H2O = H2VO3 + OH =>
V2O5 + 3 H2O = 2 H2VO3 + 2 OH
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