Équations équilibrées la veille |
FeS + HNO3 + HCl = FeCl + S + NO2 + H2O
Rb + C2H4O2 = RbC2H3O2 + H2 =>
2 Rb + 2 C2H4O2 = 2 RbC2H3O2 + H2
K3[Fe(CN)6] + NH4SCN = KSCN + (NH4)3Fe(CN)6 =>
K3[Fe(CN)6] + 3 NH4SCN = 3 KSCN + (NH4)3Fe(CN)6
Ca(NO3)2(aq) + NaCl(aq) = CaCl2(aq) + NaNO3(aq) =>
Ca(NO3)2(aq) + 2 NaCl(aq) = CaCl2(aq) + 2 NaNO3(aq)
SOCl2 + KMnO4 + H2SO4 = H2O + MnSO4 + K2SO4 + Cl2 =>
5 SOCl2 + 4 KMnO4 + H2SO4 = H2O + 4 MnSO4 + 2 K2SO4 + 5 Cl2
KOH + CrSO4 = Cr(OH) + KSO4 =>
KOH + CrSO4 = Cr(OH) + KSO4
Ca(OH)2 + H2 + HCl = CaCl + H2O =>
2 Ca(OH)2 + H2 + 2 HCl = 2 CaCl + 4 H2O
Ca(NO2)2 + HBr = CaBr2 + HNO2 =>
Ca(NO2)2 + 2 HBr = CaBr2 + 2 HNO2
Mg(s) + FeCl2(aq) = MgCl2(aq) + Fe(s) =>
Mg(s) + FeCl2(aq) = MgCl2(aq) + Fe(s)
CH4 + NaOH = Na + H2O + CO2 =>
CH4 + 8 NaOH = 8 Na + 6 H2O + CO2
Ca(NO3)2(aq) + NaCl(aq) = CaCl2(aq) + NaNO3(aq) =>
Ca(NO3)2(aq) + 2 NaCl(aq) = CaCl2(aq) + 2 NaNO3(aq)
B + F + O = BFO =>
B + F + O = BFO
CH3CH(OH)COOH + NaOH = CH3CH(ONa)COONa + H2O =>
CH3CH(OH)COOH + 2 NaOH = CH3CH(ONa)COONa + 2 H2O
KCl + NaClO = KClO3 + NaCl =>
KCl + 3 NaClO = KClO3 + 3 NaCl
FeSO4 + O2 + H2SO4 = Fe2(SO4)3 + H2O =>
4 FeSO4 + O2 + 2 H2SO4 = 2 Fe2(SO4)3 + 2 H2O
Na2S + HCH3COO = NaCH3COO + H2S =>
Na2S + 2 HCH3COO = 2 NaCH3COO + H2S
Pb(NO3)2(aq) + KIO3(aq) = Pb(IO3)2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KIO3(aq) = Pb(IO3)2(s) + 2 KNO3(aq)
Mg(s) + CoCl3(aq) = MgCl2(aq) + Co(s) =>
3 Mg(s) + 2 CoCl3(aq) = 3 MgCl2(aq) + 2 Co(s)
Cl2 + O2 = Cl2O7 =>
2 Cl2 + 7 O2 = 2 Cl2O7
Cr2O3 + Fe = Fe2O3 + Cr =>
Cr2O3 + 2 Fe = Fe2O3 + 2 Cr
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
CH3CHO + Cu(OH)2 = CH3COOH + Cu2O + H2O =>
CH3CHO + 2 Cu(OH)2 = CH3COOH + Cu2O + 2 H2O
Ba + (NO3)2 + ZnCl2 = BaCl2 + Zn(NO3)2 =>
Ba + (NO3)2 + ZnCl2 = BaCl2 + Zn(NO3)2
Fe3Cl + AgNO = Fe3NO + AgCl =>
Fe3Cl + AgNO = Fe3NO + AgCl
BaO + HCl = BaCl2 + H2O =>
BaO + 2 HCl = BaCl2 + H2O
Ca + H2SO3 = CaSO3 + H2 =>
Ca + H2SO3 = CaSO3 + H2
C2H3Br + O2 = CO2 + H2O + Br2 =>
4 C2H3Br + 11 O2 = 8 CO2 + 6 H2O + 2 Br2
AuL2 = Au + L2 =>
AuL2 = Au + L2
W + HF + HNO3 = WF6 + NO + H2O =>
W + 6 HF + 2 HNO3 = WF6 + 2 NO + 4 H2O
KMnO4 + HI = KI + I2 + MnI2 + H2O =>
2 KMnO4 + 16 HI = 2 KI + 5 I2 + 2 MnI2 + 8 H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
H2SiO3 + Ca(OH)2 = CaSiO3 + H2O =>
H2SiO3 + Ca(OH)2 = CaSiO3 + 2 H2O
Al + Na2O = Al2O3 + Na =>
2 Al + 3 Na2O = Al2O3 + 6 Na
C2H3Br + O2 = CO2 + H2O + Br =>
4 C2H3Br + 11 O2 = 8 CO2 + 6 H2O + 4 Br
O2 + Na2CO3 + H2O = NaOH + HCO3 =>
O2 + 4 Na2CO3 + 6 H2O = 8 NaOH + 4 HCO3
KI + CCl4 + Br2 = KCl + CI2 + BrCl =>
2 KI + CCl4 + Br2 = 2 KCl + CI2 + 2 BrCl
I2O5 + CO = I2 + CO2 =>
I2O5 + 5 CO = I2 + 5 CO2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Pb = Pb2 =>
2 Pb = Pb2
CaO + HF = CaF2 + H2O =>
CaO + 2 HF = CaF2 + H2O
MgO + CH2 = CO2 + H2O + Mg =>
3 MgO + CH2 = CO2 + H2O + 3 Mg
C3H7COOCH3 + H2O = C3H7COOH + CH3OH =>
C3H7COOCH3 + H2O = C3H7COOH + CH3OH
Zn(CH3CO2)2 + H2O = ZnO + CH3COOH =>
Zn(CH3CO2)2 + H2O = ZnO + 2 CH3COOH
CH2OHCHOHCH2OH + HNO3 = CH2ONO2CHONO2CH2ONO2 + H2O =>
CH2OHCHOHCH2OH + 3 HNO3 = CH2ONO2CHONO2CH2ONO2 + 3 H2O
CH3CH2NH2 + HNO2 = CH3H + CH2NH2NO2 =>
CH3CH2NH2 + HNO2 = CH3H + CH2NH2NO2
Be(OH)2 + SO3 = Be(SO4) + H2O =>
Be(OH)2 + SO3 = Be(SO4) + H2O
BaCl2 + ZnSO4 = BaSO4 + ZnCl2 =>
BaCl2 + ZnSO4 = BaSO4 + ZnCl2
Na(OH) + H2SiO3 = NaHSiO3 + H2O =>
Na(OH) + H2SiO3 = NaHSiO3 + H2O
SO2 + Br2 = SO2(Br2) =>
SO2 + Br2 = SO2(Br2)
HOCH2CH2OCH2CH2OCH2CH2OH + O = CO2 + H2O =>
HOCH2CH2OCH2CH2OCH2CH2OH + 15 O = 6 CO2 + 7 H2O
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