Équations équilibrées la veille |
Ni(OH)2 = H2O + NiO
Bi + F2 = BiF3 =>
2 Bi + 3 F2 = 2 BiF3
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
AlBr3 + K2SO3 = KBr + Al2(SO3)3 =>
2 AlBr3 + 3 K2SO3 = 6 KBr + Al2(SO3)3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C6H6 = HC =>
C6H6 = 6 HC
Pb(NO3)2 + Mg = PbMg(NO3)2 =>
Pb(NO3)2 + Mg = PbMg(NO3)2
SO2 + KMnO4 + H2SO4 = MnSO4 + KHSO4 + SO3 =>
5 SO2 + 2 KMnO4 + H2SO4 = 2 MnSO4 + 2 KHSO4 + 2 SO3
Fe + HgSO4 = FeSO4 + Hg =>
Fe + HgSO4 = FeSO4 + Hg
C21H40O4 + NaOH = C17H33COONa + C3H8O3 =>
C21H40O4 + NaOH = C17H33COONa + C3H8O3
H2PO4 = H2P2O7H2O =>
2 H2PO4 = H2P2O7H2O
LiBr + CO(SO3)2 = Li2(SO3)2 + COBr2 =>
2 LiBr + CO(SO3)2 = Li2(SO3)2 + COBr2
MnO2 + Cl2 + KOH = KMnO4 + KCl + H2O =>
2 MnO2 + 3 Cl2 + 8 KOH = 2 KMnO4 + 6 KCl + 4 H2O
HgP + HOH = HgHO + HP =>
HgP + HOH = HgHO + HP
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
Cr(OH)3 + HBr = Cr(Br)3 + H2O =>
Cr(OH)3 + 3 HBr = Cr(Br)3 + 3 H2O
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
Na2SO3(s) + HCl(aq) = SO2(g) + NaCl(aq) + H2O(l) =>
Na2SO3(s) + 2 HCl(aq) = SO2(g) + 2 NaCl(aq) + H2O(l)
CaF2 + Br2 = Ca + Br2F2 =>
CaF2 + Br2 = Ca + Br2F2
(NH4)2SO4(aq) + Ca(OH)2 = CaSO4(s) + NH3(g) + H2O(l) =>
(NH4)2SO4(aq) + Ca(OH)2 = CaSO4(s) + 2 NH3(g) + 2 H2O(l)
Ca + HOH = CaOH + H2 =>
2 Ca + 2 HOH = 2 CaOH + H2
As2S3 + HNO3 = As(NO3)3 + NO + S + H2O =>
As2S3 + 8 HNO3 = 2 As(NO3)3 + 2 NO + 3 S + 4 H2O
NH4Cl + HCl = H + NH4Cl2 =>
NH4Cl + HCl = H + NH4Cl2
K2O + Zn(OH)2 = K2ZnO2 + H2O =>
K2O + Zn(OH)2 = K2ZnO2 + H2O
PbS + NaCl = Pb + NaS + ClS =>
2 PbS + NaCl = 2 Pb + NaS + ClS
Br2 + H2SO4 = Br2SO4 + H2 =>
Br2 + H2SO4 = Br2SO4 + H2
Al(OH)2 + NaOH = Na2AlO2 + H2O =>
Al(OH)2 + 2 NaOH = Na2AlO2 + 2 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
(KClO3) = (KCl) + O =>
(KClO3) = (KCl) + 3 O
Al + ZnBr2 = AlBr3 + Zn =>
2 Al + 3 ZnBr2 = 2 AlBr3 + 3 Zn
K2CO3 + BaCl2 = KCl + Ba2(CO3)2 =>
2 K2CO3 + 2 BaCl2 = 4 KCl + Ba2(CO3)2
H2SO4 + K2Cr2O7 + KI = I2 + H2O + K2SO4 + Cr2(SO4)3 =>
7 H2SO4 + K2Cr2O7 + 6 KI = 3 I2 + 7 H2O + 4 K2SO4 + Cr2(SO4)3
B2O3 + HF = BF3 + H2O =>
B2O3 + 6 HF = 2 BF3 + 3 H2O
CUSO4 + KI = K2SO4 + CUI2 =>
CUSO4 + 2 KI = K2SO4 + CUI2
PbN6 + Cr(MnO4)2 = NO + PbO2 + Cr2O7 + MnO2 =>
PbN6 + 16 Cr(MnO4)2 = 6 NO + PbO2 + 8 Cr2O7 + 32 MnO2
FeSO3 + Fe(OH)2 = (FeOH)2SO3 =>
FeSO3 + Fe(OH)2 = (FeOH)2SO3
CuO + Al2O3 = Cu3(AlO3)2 =>
3 CuO + Al2O3 = Cu3(AlO3)2
CH2CHCH2CH3 + HBr = CH2BrCH2CH2CH3 =>
CH2CHCH2CH3 + HBr = CH2BrCH2CH2CH3
MgSO4(aq) + Ba(OH)2(aq) = Mg(OH)2(aq) + BaSO4(s) =>
MgSO4(aq) + Ba(OH)2(aq) = Mg(OH)2(aq) + BaSO4(s)
Mg + MnNO3 = Mn + Mg(NO3)2 =>
Mg + 2 MnNO3 = 2 Mn + Mg(NO3)2
Al + HOH = H2 + Al(OH)3 =>
2 Al + 6 HOH = 3 H2 + 2 Al(OH)3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Al + ZnO = Al2O3 + Zn =>
2 Al + 3 ZnO = Al2O3 + 3 Zn
K + HNO3 = KO2 + HN =>
3 K + 2 HNO3 = 3 KO2 + 2 HN
CaOCO2 = CaCO3 =>
CaOCO2 = CaCO3
C3H5N3O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N3O9 = 12 CO2 + 10 H2O + 6 N2 + O2
H2C = CH2 =>
H2C = CH2
Al3 + O2 = Al3O2 =>
Al3 + O2 = Al3O2
H2O2 + H3PO4 = H2PO4 + H2O =>
H2O2 + 2 H3PO4 = 2 H2PO4 + 2 H2O
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