Équations équilibrées la veille |
Na2[Be(OH)4] + 4 HCl = 2 NaCl + BeCl2 + 4 H2O
MgCO3 + HCl = MgCl2 + H2O + CO2 =>
MgCO3 + 2 HCl = MgCl2 + H2O + CO2
PF3 = P + F =>
PF3 = P + 3 F
Cr(OH)3 + Na(OH) = NaCrO2 + H2O =>
Cr(OH)3 + Na(OH) = NaCrO2 + 2 H2O
BaF2 + K3PO4 = Ba3(PO4)2 + KF =>
3 BaF2 + 2 K3PO4 = Ba3(PO4)2 + 6 KF
BaCl2(aq) + NH4OH(aq) = Ba(OH)2(aq) + NH4Cl =>
BaCl2(aq) + 2 NH4OH(aq) = Ba(OH)2(aq) + 2 NH4Cl
CO2 + H2O = C2H5O + O2 =>
8 CO2 + 10 H2O = 4 C2H5O + 11 O2
KMnO4 + CH3COOH + H2SO4 = K2SO4 + MnSO4 + H2O + CO2 =>
8 KMnO4 + 5 CH3COOH + 12 H2SO4 = 4 K2SO4 + 8 MnSO4 + 22 H2O + 10 CO2
CH3COOZn + NaOH = ZnO + CH3COOH + Na =>
CH3COOZn + NaOH = ZnO + CH3COOH + Na
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
BaCl2(s)MgSO4(s) = BaSO4(s)MgCl2(s) =>
BaCl2(s)MgSO4(s) = BaSO4(s)MgCl2(s)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Cd + Zn = CdZn2 =>
Cd + 2 Zn = CdZn2
BaCl2 + H2SO4(aq) = BaSO4(s) + HCl(aq) =>
BaCl2 + H2SO4(aq) = BaSO4(s) + 2 HCl(aq)
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
BaCl2 + Mg(SO4) = BaSO4 + MgCl2 =>
BaCl2 + Mg(SO4) = BaSO4 + MgCl2
P4 + KOH + H2O = K2HPO3 + H2 =>
P4 + 8 KOH + 4 H2O = 4 K2HPO3 + 6 H2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
H3PO4 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
2 H3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 H2O
FeBr2 + AlI3 = FeI2 + AlBr3 =>
3 FeBr2 + 2 AlI3 = 3 FeI2 + 2 AlBr3
C7H7Br + C7H8O2 + NaOH = C14H14O2 + NaBr + H2O =>
C7H7Br + C7H8O2 + NaOH = C14H14O2 + NaBr + H2O
Bi2O5 = Bi + O =>
Bi2O5 = 2 Bi + 5 O
H2O + N2O5 = HNO3 =>
H2O + N2O5 = 2 HNO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe(s) + Cu(NO3)2(aq) = Fe(NO3)2(aq) + Cu(s) =>
Fe(s) + Cu(NO3)2(aq) = Fe(NO3)2(aq) + Cu(s)
Be(OH)2 + Ba(OH)2 = Ba[Be(OH)4] =>
Be(OH)2 + Ba(OH)2 = Ba[Be(OH)4]
NaOH*KNO3 = NaNO3 + KOH =>
NaOH*KNO3 = NaNO3 + KOH
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
O2 + C9H18 = CO2 + H2O =>
27 O2 + 2 C9H18 = 18 CO2 + 18 H2O
NaOH + KNO3(aq) = NaNO3(aq) + KOH(aq) =>
NaOH + KNO3(aq) = NaNO3(aq) + KOH(aq)
SnCl4 + CH3CH2OH = Sn(OH)4 + CH3CH2Cl =>
SnCl4 + 4 CH3CH2OH = Sn(OH)4 + 4 CH3CH2Cl
Br + H2O + SO2 = HBr + H2SO4 =>
2 Br + 2 H2O + SO2 = 2 HBr + H2SO4
KMnO4 + C2H2O4 + H2SO4 = MnSO4 + CO2 + H2O + K2SO4 =>
2 KMnO4 + 5 C2H2O4 + 3 H2SO4 = 2 MnSO4 + 10 CO2 + 8 H2O + K2SO4
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
Fe + N2H4 + H2O = Fe3O4 + NH3 =>
3 Fe + 4 N2H4 + 4 H2O = Fe3O4 + 8 NH3
SiC + Cl2 = SiCl4 + C =>
SiC + 2 Cl2 = SiCl4 + C
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
KI + CHCl3 = KCl3 + ICH =>
KI + CHCl3 = KCl3 + ICH
HCHO2 + NH3 = H + N(CHO2) =>
HCHO2 + NH3 = 4 H + N(CHO2)
KBr + Na2S2O3 = NaBr + K2S2O3 =>
2 KBr + Na2S2O3 = 2 NaBr + K2S2O3
Fe3Cl2 + KOH = KCl2 + Fe3OH =>
Fe3Cl2 + KOH = KCl2 + Fe3OH
Br2 + ZnCl2 = Br2Cl2 + Zn =>
Br2 + ZnCl2 = Br2Cl2 + Zn
SiO2 + C2H5OH = Si(OC2H5)4 + H2O =>
SiO2 + 4 C2H5OH = Si(OC2H5)4 + 2 H2O
H2BO3 = HBO3 + H =>
H2BO3 = HBO3 + H
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
Mn(NO3)2 + BIO3 + HNO3 = HMnO4 + BI(NO3)3 + H2O =>
3 Mn(NO3)2 + 5 BIO3 + 9 HNO3 = 3 HMnO4 + 5 BI(NO3)3 + 3 H2O
SiO2 + C2H5OH = Si(OC2H5)4 + H2O =>
SiO2 + 4 C2H5OH = Si(OC2H5)4 + 2 H2O
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