Équations équilibrées la veille |
Na2S + 2 HBr = 2 NaH + SBr2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
H2SO4CaCl2 = H2Cl2Ca(SO4) =>
H2SO4CaCl2 = H2Cl2Ca(SO4)
B(OH)3 + C2H5OH = B(C2H5O)3 + H2O =>
B(OH)3 + 3 C2H5OH = B(C2H5O)3 + 3 H2O
S + O2 = SO2 =>
S + O2 = SO2
SO2 + H2O = SO2H2O =>
SO2 + H2O = SO2H2O
C2H5OH + B(OH)3 = C6H15BO3 + H2O =>
3 C2H5OH + B(OH)3 = C6H15BO3 + 3 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Te + O2 = Te2O5 =>
4 Te + 5 O2 = 2 Te2O5
PH3 + NH3 = NH4PH2 =>
PH3 + NH3 = NH4PH2
O3 + H2S = SO2 + H2O =>
O3 + H2S = SO2 + H2O
Ag + HNO3 = Ag(NO3)3 + NO2 + H2O =>
Ag + 6 HNO3 = Ag(NO3)3 + 3 NO2 + 3 H2O
Li + KOH = LiOH + K =>
Li + KOH = LiOH + K
H2SO4 + NO3{-} = HNO3{-} + SO4 =>
H2SO4 + 2 NO3{-} = 2 HNO3{-} + SO4
KNO2 + NaOH = KOH + NaNO2 =>
KNO2 + NaOH = KOH + NaNO2
C2H26 + O2 = CO2 + H2O =>
2 C2H26 + 17 O2 = 4 CO2 + 26 H2O
B(OH)3 + C2H5OH = (C2H5O)3B + H2O =>
B(OH)3 + 3 C2H5OH = (C2H5O)3B + 3 H2O
AgHNO = Ag(OH)N =>
AgHNO = Ag(OH)N
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
ZnCuCl2 = ZnCl2Cu =>
ZnCuCl2 = ZnCl2Cu
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C9H15 + KMnO4 + H2SO4 = C9H9O6 + K2SO4 + H2O + MnSO4 =>
5 C9H15 + 18 KMnO4 + 27 H2SO4 = 5 C9H9O6 + 9 K2SO4 + 42 H2O + 18 MnSO4
Fe + CaO = Fe2O3 + Ca =>
2 Fe + 3 CaO = Fe2O3 + 3 Ca
NaClO4 + AgNO3 = NaNO3 + AgClO4 =>
NaClO4 + AgNO3 = NaNO3 + AgClO4
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mn(NO2)2 + BeCl2 = Be(NO2)2 + MnCl2 =>
Mn(NO2)2 + BeCl2 = Be(NO2)2 + MnCl2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
CaO + Fe = Fe3O4 + Ca =>
4 CaO + 3 Fe = Fe3O4 + 4 Ca
HNO3 + Na = NaNO3 + NO + H2O =>
4 HNO3 + 3 Na = 3 NaNO3 + NO + 2 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
HC9H7O4 + Ca(OH)2 = H2O + Ca(C9H7O4)2 =>
2 HC9H7O4 + Ca(OH)2 = 2 H2O + Ca(C9H7O4)2
P4 + H2 = PH3 =>
P4 + 6 H2 = 4 PH3
CHOH + NaOH = CH3OH + CHOONa =>
2 CHOH + NaOH = CH3OH + CHOONa
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na2SO3(aq) + KMnO4(s) + H2SO4(l) = MnSO4(aq) + K2SO4(aq) + Na2SO4(aq) + H2O(l) =>
5 Na2SO3(aq) + 2 KMnO4(s) + 3 H2SO4(l) = 2 MnSO4(aq) + K2SO4(aq) + 5 Na2SO4(aq) + 3 H2O(l)
ZnCl2(aq) + K2CO3(aq) = ZnCO3(s) + KCl(aq) =>
ZnCl2(aq) + K2CO3(aq) = ZnCO3(s) + 2 KCl(aq)
KCl + CaS = KS + CaCl =>
KCl + CaS = KS + CaCl
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Na2SO3 + H2O2 = Na2SO4 + H2O =>
Na2SO3 + H2O2 = Na2SO4 + H2O
Al(NO3)3 + MgCl2 = AlCl3 + Mg(NO3)2 =>
2 Al(NO3)3 + 3 MgCl2 = 2 AlCl3 + 3 Mg(NO3)2
BF3 + H2O = B2O3 + HF =>
2 BF3 + 3 H2O = B2O3 + 6 HF
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
LiOH + BaSO4 = Ba(OH)2 + Li2SO4 =>
2 LiOH + BaSO4 = Ba(OH)2 + Li2SO4
Calciumoxide + sulfurdioxide = calciumsulfite =>
CaO + SO2 = CaSO3
BaCl2 + AgNO3 = Ba(NO3)2 + AgCl =>
BaCl2 + 2 AgNO3 = Ba(NO3)2 + 2 AgCl
K2CrO4 + SrCl2 = Sr2(CrO4)2 + KCl =>
2 K2CrO4 + 2 SrCl2 = Sr2(CrO4)2 + 4 KCl
HCl + Mg(OH)2 = H2O + MgCl2 =>
2 HCl + Mg(OH)2 = 2 H2O + MgCl2
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