Équations équilibrées la veille |
3 PbO2 + 2 KCrO2 + 2 KOH = 3 PbO + 2 K2CrO4 + H2O
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
H2SO3 + KOH = K2SO3 + H2O =>
H2SO3 + 2 KOH = K2SO3 + 2 H2O
C5H10O + O2 = C2O4 + H2O =>
2 C5H10O + 14 O2 = 5 C2O4 + 10 H2O
Au + C = AuC =>
Au + C = AuC
C57H104O6 + C3H6O3H3 = C57H108O6 + C6H8O3 =>
107 C57H104O6 + 60 C3H6O3H3 = 103 C57H108O6 + 68 C6H8O3
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
C6H5NO2 + CH3Cl = C7H7NO2 + HCl =>
C6H5NO2 + CH3Cl = C7H7NO2 + HCl
Al + NiBr2 = AlBr3 + Ni =>
2 Al + 3 NiBr2 = 2 AlBr3 + 3 Ni
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
NH2CH2COOH + CH3OH = NH2CH2COOCH3 + H2O =>
NH2CH2COOH + CH3OH = NH2CH2COOCH3 + H2O
NaClO4 + H2O = Na(OH) + HClO4 =>
NaClO4 + H2O = Na(OH) + HClO4
HI(aq) + CaCO3(s) = CaI2(aq) + CO2(g) + H2O(l) =>
2 HI(aq) + CaCO3(s) = CaI2(aq) + CO2(g) + H2O(l)
K2SO4(ac) + NaOH(ac) = Na2SO4(s) + KOH(ac) =>
K2SO4(ac) + 2 NaOH(ac) = Na2SO4(s) + 2 KOH(ac)
BaCl2 + Cd = Ba + CdCl2 =>
BaCl2 + Cd = Ba + CdCl2
H2S + LiOH = LiHS + H2O =>
H2S + LiOH = LiHS + H2O
HNO3(aq) + NaHCO3(s) = CO2(g) + H2O(l) + NaNO3(aq) =>
HNO3(aq) + NaHCO3(s) = CO2(g) + H2O(l) + NaNO3(aq)
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
NaClO4 + H2O = Na(OH) + HClO4 =>
NaClO4 + H2O = Na(OH) + HClO4
Ag2SO4 + Cu2 = CuSO4 + Ag =>
2 Ag2SO4 + Cu2 = 2 CuSO4 + 4 Ag
SO2 + Cs2O = Cs2SO3 =>
SO2 + Cs2O = Cs2SO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
ZnS3 + Na3PO4 = ZnPO4 + S3Na3 =>
ZnS3 + Na3PO4 = ZnPO4 + S3Na3
CH3COOH + CH3Cl = CH3 + COOCH3 + HCl =>
CH3COOH + CH3Cl = CH3 + COOCH3 + HCl
B2O3 + Na2CO3 = NaBO2 + CO2 =>
B2O3 + Na2CO3 = 2 NaBO2 + CO2
HI + Br2 = IBr + H2 =>
2 HI + Br2 = 2 IBr + H2
NaNO2 + HI = H2O + I + NaNO =>
NaNO2 + 2 HI = H2O + 2 I + NaNO
BaCI + H2SO4 = BaSO4 + CIH2 =>
BaCI + H2SO4 = BaSO4 + CIH2
HIO3 + KOH = KIO3 + H2O =>
HIO3 + KOH = KIO3 + H2O
NaBH4 + H2O = NaBO2 + H2 =>
NaBH4 + 2 H2O = NaBO2 + 4 H2
NaBr + H2SO4 + H2O = Br2 + H2S + NaOH =>
8 NaBr + H2SO4 + 4 H2O = 4 Br2 + H2S + 8 NaOH
AlCl3 + H3PO4 + Na2Cr2O7 = Na3PO4 + CrPO4 + AlPO4 + Cl2 + H2O =>
6 AlCl3 + 14 H3PO4 + 3 Na2Cr2O7 = 2 Na3PO4 + 6 CrPO4 + 6 AlPO4 + 9 Cl2 + 21 H2O
Ag2SO4 + KI = Ag2I + K(SO4) =>
Ag2SO4 + KI = Ag2I + K(SO4)
Fe(OH)3(aq) + H2SO4(aq) = Fe2(SO4)3(aq) + H2O =>
2 Fe(OH)3(aq) + 3 H2SO4(aq) = Fe2(SO4)3(aq) + 6 H2O
ClO4 + H2O = HClO4 + O2 =>
4 ClO4 + 2 H2O = 4 HClO4 + O2
BeO + Ca(OH)2 = Ca2BeO3 + H2O =>
BeO + 2 Ca(OH)2 = Ca2BeO3 + 2 H2O
Al + I2 = Al1I2 =>
Al + I2 = Al1I2
V + H2CO3 = V(CO3)2 + H2 =>
V + 2 H2CO3 = V(CO3)2 + 2 H2
H2N(CH2)6NH2 + HNO2 = HO(CH2)6OH + N2 + H2O =>
H2N(CH2)6NH2 + 2 HNO2 = HO(CH2)6OH + 2 N2 + 2 H2O
CaCO3 + Na2HPO4 = Na2CO3 + CaHPO4 =>
CaCO3 + Na2HPO4 = Na2CO3 + CaHPO4
Ag2SO4 + Cu2 = CuSO4 + Ag =>
2 Ag2SO4 + Cu2 = 2 CuSO4 + 4 Ag
N2CO3 + H2SO4 = N2SO4 + CO2 + H2O =>
N2CO3 + H2SO4 = N2SO4 + CO2 + H2O
KOH + HIO3 = HOH + KIO3 =>
KOH + HIO3 = HOH + KIO3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
NaOH + CrCl3 = Cr2O3 + HCl + NaCl =>
3 NaOH + 2 CrCl3 = Cr2O3 + 3 HCl + 3 NaCl
K2Cr2O7 + HCl + KNO2 = CrCl3 + KNO3 + H2O + KCl =>
K2Cr2O7 + 8 HCl + 3 KNO2 = 2 CrCl3 + 3 KNO3 + 4 H2O + 2 KCl
CaCO3 + Na2HPO4 = Na2CO3 + CaHPO4 =>
CaCO3 + Na2HPO4 = Na2CO3 + CaHPO4
CH3COOH + CH3Cl = CH3 + COOCH3 + HCl =>
CH3COOH + CH3Cl = CH3 + COOCH3 + HCl
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