Équations équilibrées la veille |
2 K2CrO4 + 3 NaHSO3 + 5 H2O = 3 NaHSO4 + 4 KOH + 2 Cr(OH)3
Fe(OH)2 + HBr = FeBr2 + H2O =>
Fe(OH)2 + 2 HBr = FeBr2 + 2 H2O
Al + H2O + NaOH = NaAlO2 + H2 =>
2 Al + 2 H2O + 2 NaOH = 2 NaAlO2 + 3 H2
NH4Cl + LiOH = LiCl + NH4OH =>
NH4Cl + LiOH = LiCl + NH4OH
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
C6H5CHO + NaOH = C6H5CH2OH + C6H5CO2Na =>
2 C6H5CHO + NaOH = C6H5CH2OH + C6H5CO2Na
H2O2 + Mn(NO3)2 + KOH = K2MnO4 + KNO3 + H2O =>
2 H2O2 + Mn(NO3)2 + 4 KOH = K2MnO4 + 2 KNO3 + 4 H2O
Mg3(PO4)2 + Na2O = MgO + Na3(PO4) =>
Mg3(PO4)2 + 3 Na2O = 3 MgO + 2 Na3(PO4)
KNO2 + HI = I2 + NO + KOH =>
2 KNO2 + 2 HI = I2 + 2 NO + 2 KOH
CH3COOH + C2H5COOH = H2O + C2H5COOOCH3C =>
CH3COOH + C2H5COOH = H2O + C2H5COOOCH3C
K2MnO4 + K2S + H2SO4 = MnSO4 + K2SO4 + H2O =>
2 K2MnO4 + K2S + 4 H2SO4 = 2 MnSO4 + 3 K2SO4 + 4 H2O
C4H6O2 + NaHCO3 + NaCl + H2O = Na3C25H42O18Cl + CO2 =>
6 C4H6O2 + 2 NaHCO3 + NaCl + 2 H2O = Na3C25H42O18Cl + CO2
ZnCl2 + H2O = ZnO + HCl =>
ZnCl2 + H2O = ZnO + 2 HCl
FeCl3 + Fe = FeCl2 =>
2 FeCl3 + Fe = 3 FeCl2
Ca(OH)2 + Mg = Mg(OH)2 + Ca =>
Ca(OH)2 + Mg = Mg(OH)2 + Ca
Fe(C5H5)2 + AgNO3 = Fe(C5H5)2NO3 + Ag =>
Fe(C5H5)2 + AgNO3 = Fe(C5H5)2NO3 + Ag
KOH + H2O = KH + OH =>
KOH + H2O = KH + 2 OH
MnO4{-} + H2O2{+} = Mn{2+} + O2 + H2O =>
2 MnO4{-} + 6 H2O2{+} = 2 Mn{2+} + 7 O2 + 6 H2O
K2OFe = K2FeO =>
K2OFe = K2FeO
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Sr(C2H3O2) + NiSO4 = SrSO4 + Ni(C2H3O2) =>
Sr(C2H3O2) + NiSO4 = SrSO4 + Ni(C2H3O2)
SO3 + NaCl = Na2SO3 + Cl =>
SO3 + 2 NaCl = Na2SO3 + 2 Cl
P4 + NO2 = P2O4 + N2 =>
P4 + 4 NO2 = 2 P2O4 + 2 N2
CrCl3 + HOH = Cr(OH)3 + HCl =>
CrCl3 + 3 HOH = Cr(OH)3 + 3 HCl
BBr3 + Cl2 = BCl3 + Br2 =>
2 BBr3 + 3 Cl2 = 2 BCl3 + 3 Br2
Bi2O5 + HCl = BiCl + Cl2 + H2O =>
Bi2O5 + 10 HCl = 2 BiCl + 4 Cl2 + 5 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
ZnSO4 + KOH = KSO4 + ZnOH =>
ZnSO4 + KOH = KSO4 + ZnOH
CaCl2 + Na2SiO3 = CaO + SiO2 + NaCl =>
CaCl2 + Na2SiO3 = CaO + SiO2 + 2 NaCl
NH4NO3 + C2H5OH = N2 + CO2 + H2O =>
6 NH4NO3 + C2H5OH = 6 N2 + 2 CO2 + 15 H2O
C2H4 + I = C2H4I2 =>
C2H4 + 2 I = C2H4I2
C25H52 + H2O2 = H2O + CO2 =>
C25H52 + 76 H2O2 = 102 H2O + 25 CO2
Ag + NaCN + O2 + H2O = NaAg(CN)2 + NaOH =>
4 Ag + 8 NaCN + O2 + 2 H2O = 4 NaAg(CN)2 + 4 NaOH
Rb + SO4 = Rb2SO4 =>
2 Rb + SO4 = Rb2SO4
CuSO4 + K2CrO4 = CuCrO4 + K2SO4 =>
CuSO4 + K2CrO4 = CuCrO4 + K2SO4
Cr2S3 + Zn = ZnS + Cr =>
Cr2S3 + 3 Zn = 3 ZnS + 2 Cr
C6H6O3S + NaOH = C6H5SO3Na + H2O =>
C6H6O3S + NaOH = C6H5SO3Na + H2O
I2O5 + Ca(OH)2 = Ca(IO3)2 + H2O =>
I2O5 + Ca(OH)2 = Ca(IO3)2 + H2O
KHSO4 + NH4OH = K2SO4 + (NH4)2SO4 + H2O =>
2 KHSO4 + 2 NH4OH = K2SO4 + (NH4)2SO4 + 2 H2O
O2H2 = OH2 + O2 =>
2 O2H2 = 2 OH2 + O2
RCOONa + H2O = RCOOH + Na + O =>
2 RCOONa + H2O = 2 RCOOH + 2 Na + O
Mg + S = MgS =>
Mg + S = MgS
Zn(s) + CUSO4(aq) = ZnSO4(aq) + CU(s) =>
Zn(s) + CUSO4(aq) = ZnSO4(aq) + CU(s)
C + KOH = CO2 + H2 + K =>
C + 2 KOH = CO2 + H2 + 2 K
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
BaO + Be(OH)2 = BaBeO2 + H2O =>
BaO + Be(OH)2 = BaBeO2 + H2O
AlCl3 + (NH4)2S = Al2S3 + NH4Cl =>
2 AlCl3 + 3(NH4)2S = Al2S3 + 6 NH4Cl
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