Équations équilibrées la veille |
3 Zn + 2 H3PO4 = Zn3(PO4)2 + 3 H2
HI + Na2CO3 = NaI + CO2 + H2O =>
2 HI + Na2CO3 = 2 NaI + CO2 + H2O
BeO + P2O5 = Be3(PO4)2 =>
3 BeO + P2O5 = Be3(PO4)2
Na2CO3 + FeCr2O7 + O2 = Fe2O3 + Na2CrO4 + CO2 =>
8 Na2CO3 + 4 FeCr2O7 + O2 = 2 Fe2O3 + 8 Na2CrO4 + 8 CO2
FeCl3 + NH4SCN = Fe(SCN)3 + NH4Cl =>
FeCl3 + 3 NH4SCN = Fe(SCN)3 + 3 NH4Cl
CH3COOH + Co(OH)2 = CoH + CH3COO(OH)2 =>
CH3COOH + Co(OH)2 = CoH + CH3COO(OH)2
Mn + Pb{2+} = Mn{2+} + Pb =>
Mn + Pb{2+} = Mn{2+} + Pb
O23 = O =>
O23 = 23 O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H2SO4 + KI + Na2SO3 = I2 + Na2S + K2SO4 + H2O =>
3 H2SO4 + 6 KI + Na2SO3 = 3 I2 + Na2S + 3 K2SO4 + 3 H2O
GeCl4 + H2O = Ge2O4 + HCl =>
2 GeCl4 + 4 H2O = Ge2O4 + 8 HCl
C5H8 + O2 = CO2 + H2O =>
C5H8 + 7 O2 = 5 CO2 + 4 H2O
Cu{2+} + Cl{-} = Cu(Cl)2 =>
Cu{2+} + 2 Cl{-} = Cu(Cl)2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
MgFe(Cl)2 = Mg(Cl)2Fe =>
MgFe(Cl)2 = Mg(Cl)2Fe
BaSO4 + NaCl = BaCl2 + SO4Na2 =>
BaSO4 + 2 NaCl = BaCl2 + SO4Na2
C7H7Br + KMnO4 = K + MnO2 + C7H5BrO2 + OH =>
C7H7Br + 2 KMnO4 = 2 K + 2 MnO2 + C7H5BrO2 + 2 OH
H2S + Na2SiO3 = H2SiO3 + Na2S =>
H2S + Na2SiO3 = H2SiO3 + Na2S
H2X + NaOH = Na2X + HOH =>
H2X + 2 NaOH = Na2X + 2 HOH
Fe(OH)3 + H{+} = Fe{+3} + H2O =>
Fe(OH)3 + 3 H{+} = Fe{+3} + 3 H2O
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Cu(NO3)2 + (NH4)2C2O4 = CuC2O4 + (NH4)2(NO3)2 =>
Cu(NO3)2 + (NH4)2C2O4 = CuC2O4 + (NH4)2(NO3)2
CoCl4 + Ca(H2O)3 = Co(H2O)6 + CaCl2 =>
CoCl4 + 2 Ca(H2O)3 = Co(H2O)6 + 2 CaCl2
P = P3 =>
3 P = P3
Ba + S8 = BaS =>
8 Ba + S8 = 8 BaS
NO4SnO4 + HCl = NOCl + SnCl2 + Cl2 + H2O =>
2 NO4SnO4 + 28 HCl = 2 NOCl + 2 SnCl2 + 11 Cl2 + 14 H2O
MnO2 + KCIO2 + KOH = KMnO4 + KCI + H2O =>
4 MnO2 + 3 KCIO2 + 4 KOH = 4 KMnO4 + 3 KCI + 2 H2O
Ba(CH3COO)2 + K2Cr2O7 = BaCr2O7 + KCH3COO =>
Ba(CH3COO)2 + K2Cr2O7 = BaCr2O7 + 2 KCH3COO
K2S2O8 + Na2S2O4 + NaOH = K2SO4 + Na2SO4 + H2O =>
3 K2S2O8 + Na2S2O4 + 8 NaOH = 3 K2SO4 + 5 Na2SO4 + 4 H2O
ZnSO4 + Mg = ZnS + MgO =>
ZnSO4 + 4 Mg = ZnS + 4 MgO
KOHHNO3 = K(NO3)H2O =>
KOHHNO3 = K(NO3)H2O
Al2S3 = Al + S =>
Al2S3 = 2 Al + 3 S
SO2 + H2 = S + H2O =>
SO2 + 2 H2 = S + 2 H2O
(Li2O)5 + (MgO)7 + (ZnO)3 + (Al2O3)2 + P2O5 + F4 = (Li2O)5(MgO)7(ZnO)3(Al2O3)2P2O5F4 =>
(Li2O)5 + (MgO)7 + (ZnO)3 + (Al2O3)2 + P2O5 + F4 = (Li2O)5(MgO)7(ZnO)3(Al2O3)2P2O5F4
KIO4 + C6H14O6 = CO2 + H2O + KI =>
13 KIO4 + 4 C6H14O6 = 24 CO2 + 28 H2O + 13 KI
KMnO4 + CH3CHCHCH3 + H2O = CH3CH(OH)CH*OHCH2CH3 + KOH + MnO2 =>
8 KMnO4 + 15 CH3CHCHCH3 + 16 H2O = 12 CH3CH(OH)CH*OHCH2CH3 + 8 KOH + 8 MnO2
LiOH + SO3 = LiO3 + SOH =>
LiOH + SO3 = LiO3 + SOH
NaHCO3 + HC2H3O2(aq) = H2CO3 + NaC2H3O2 =>
NaHCO3 + HC2H3O2(aq) = H2CO3 + NaC2H3O2
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
NaHCO3 + HC2H3O2(aq) = H2CO3 + NaC2H3O2 =>
NaHCO3 + HC2H3O2(aq) = H2CO3 + NaC2H3O2
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
K2SiO3 + HCl = KCl + SiO2 + H2O =>
K2SiO3 + 2 HCl = 2 KCl + SiO2 + H2O
HCOONaH2O = NaOHHCOOH =>
HCOONaH2O = NaOHHCOOH
P + H2 = P2H6 =>
2 P + 3 H2 = P2H6
SrCl3 + K3PO4 = SrPO4 + K3Cl3 =>
SrCl3 + K3PO4 = SrPO4 + K3Cl3
Na1 + I2 = NaI =>
2 Na1 + I2 = 2 NaI
NaOH + N2O5 = NaNO3 + H2O =>
2 NaOH + N2O5 = 2 NaNO3 + H2O
NH4Cl + O2 = NH4 + ClO2 =>
NH4Cl + O2 = NH4 + ClO2
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
K2Cr2O7 + H2O = KOH + Cr2O7H2 =>
K2Cr2O7 + 2 H2O = 2 KOH + Cr2O7H2
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