Équations équilibrées la veille |
2 H3PO4 + 3 Na2SO4 = 2 Na3PO4 + 3 H2SO4
H2S + BeO = H2O + BeS =>
H2S + BeO = H2O + BeS
Al + NaOH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAlO2 + 3 H2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Na2SO4 + CoCl2 = CoSO4 + NaCl =>
Na2SO4 + CoCl2 = CoSO4 + 2 NaCl
C8H10(l) + O2(g) = CO2(g) + H2O(l) =>
2 C8H10(l) + 21 O2(g) = 16 CO2(g) + 10 H2O(l)
Al4C3H2O = Al4OH2C3 =>
Al4C3H2O = Al4OH2C3
BaCl2 + Fe = BaCl2Fe =>
BaCl2 + Fe = BaCl2Fe
KI3 + NaOH = NaI + H2O + NaIO3 + KOH =>
3 KI3 + 9 NaOH = 8 NaI + 3 H2O + NaIO3 + 3 KOH
KOHNaHCO3 = KHCO3NaOH =>
KOHNaHCO3 = KHCO3NaOH
LiOH + Cu(NO3)2 = Li2(NO3)2 + Cu(OH)2 =>
2 LiOH + Cu(NO3)2 = Li2(NO3)2 + Cu(OH)2
NaClO + MnCl2 + NaOH = Na2MnO4 + NaCl + H2O =>
2 NaClO + MnCl2 + 4 NaOH = Na2MnO4 + 4 NaCl + 2 H2O
MnC + MgO = Mn2O + MgC2 =>
2 MnC + MgO = Mn2O + MgC2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HOCl + NaOH = NaCl + H2O2 =>
HOCl + NaOH = NaCl + H2O2
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
(NH4)3PO4 + KOH = H2O + K3PO4 + NH3 =>
(NH4)3PO4 + 3 KOH = 3 H2O + K3PO4 + 3 NH3
C2N14 + O2 = CO2 + N2 =>
C2N14 + 2 O2 = 2 CO2 + 7 N2
BaCO3 + HNO3 = Ba(NO3)2(aq) + CO2(g) + H2O(l) =>
BaCO3 + 2 HNO3 = Ba(NO3)2(aq) + CO2(g) + H2O(l)
Na2Co3 + HNO3 = H2Co3 + NaNO3 =>
Na2Co3 + 2 HNO3 = H2Co3 + 2 NaNO3
MgSO3 = MgS + O =>
MgSO3 = MgS + 3 O
NaClO2 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + NaClO3 + H2O =>
5 NaClO2 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 NaClO3 + 3 H2O
CuSO4*5H2O + NH2CH2CH2NH2 = Cu(NH2CH2CH2NH2)2SO4 + H2O =>
CuSO4*5H2O + 2 NH2CH2CH2NH2 = Cu(NH2CH2CH2NH2)2SO4 + 5 H2O
CH3CH2OHH2SO4 = CH3CH3OHHSO4 =>
CH3CH2OHH2SO4 = CH3CH3OHHSO4
MnCl2 + Na2CO3 = Mn2(CO3)2 + NaCl =>
2 MnCl2 + 2 Na2CO3 = Mn2(CO3)2 + 4 NaCl
SnCl4 + H2O = HCl + Sn(OH)4 =>
SnCl4 + 4 H2O = 4 HCl + Sn(OH)4
UO2 + HS = US4 + H2O =>
UO2 + 4 HS = US4 + 2 H2O
PBO2(s) = PBO(s) + O2(g) =>
2 PBO2(s) = 2 PBO(s) + O2(g)
HMnO4 + HI = Mn + I2 + H2O =>
2 HMnO4 + 14 HI = 2 Mn + 7 I2 + 8 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
FeBr + Na2S = Fe2S + NaBr =>
2 FeBr + Na2S = Fe2S + 2 NaBr
SO2 + Mn(OH)2 = MnSO3 + H2O =>
SO2 + Mn(OH)2 = MnSO3 + H2O
Sb2S3 + O2 = Sb + SO2 =>
Sb2S3 + 3 O2 = 2 Sb + 3 SO2
Ag2SO4 + KI = AgI + K2SO4 =>
Ag2SO4 + 2 KI = 2 AgI + K2SO4
AlBr3 + Na2SO3 + H2O = NaBr + Al(OH)3 + H2SO3 =>
2 AlBr3 + 3 Na2SO3 + 6 H2O = 6 NaBr + 2 Al(OH)3 + 3 H2SO3
Ce(SO4)2 + NaAsO2 + H2SO4 = NaH2AsO4 + Ce2(SO4)3 + SO3 =>
2 Ce(SO4)2 + NaAsO2 + H2SO4 = NaH2AsO4 + Ce2(SO4)3 + 2 SO3
PbSO2 = Pb0SO2 =>
PbSO2 = Pb0SO2
Ni2 + AuBr3 = NiBr2 + Au =>
3 Ni2 + 4 AuBr3 = 6 NiBr2 + 4 Au
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
Ca(OH)2 + Cr2(SO4)3 = Cr(OH)3 + CaSO4 =>
3 Ca(OH)2 + Cr2(SO4)3 = 2 Cr(OH)3 + 3 CaSO4
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Mn + H2SO4 = MnSO4 + S + H2O =>
3 Mn + 4 H2SO4 = 3 MnSO4 + S + 4 H2O
CH3CH2OH + Cr2O72{-} + H{+} = CH3CO2H + Cr + H2O =>
143 CH3CH2OH + 4 Cr2O72{-} + 4 H{+} = 143 CH3CO2H + 8 Cr + 145 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
C8H18 + SO2 + Cl2 = C8H15SO2Cl + HCl =>
C8H18 + SO2 + 2 Cl2 = C8H15SO2Cl + 3 HCl
KClO3 = O3 + KCl =>
KClO3 = O3 + KCl
FeO + KMnO4 + H2SO4 = Fe2O3 + MnSO4 + K2SO4 + H2O =>
10 FeO + 2 KMnO4 + 3 H2SO4 = 5 Fe2O3 + 2 MnSO4 + K2SO4 + 3 H2O
Fe + Cl2 = FeCl2 =>
Fe + Cl2 = FeCl2
S + Br2 = SBr6 =>
S + 3 Br2 = SBr6
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