Équations équilibrées la veille |
SiO2(s) + 2 NaOH(aq) = H2O(aq) + Na2SiO3(g)
BaCl2 + HCl = HClBaCl2 =>
BaCl2 + HCl = HClBaCl2
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
H + Al3 = AlH3 =>
9 H + Al3 = 3 AlH3
HN3(g) + O2(g) = N2(g) + H2O(g)NH3 =>
10 HN3(g) + O2(g) = 14 N2(g) + 2 H2O(g)NH3
C11H12O3 + H = C10H10O5 + CH4 =>
5 C11H12O3 + 70 H = 3 C10H10O5 + 25 CH4
Fe(HCO3)2 + H2O + O2 = Fe(OH)3 + CO2 =>
4 Fe(HCO3)2 + 2 H2O + O2 = 4 Fe(OH)3 + 8 CO2
(NH4)2SO4 + HgCl2 = NH4Cl + HgSO4 =>
(NH4)2SO4 + HgCl2 = 2 NH4Cl + HgSO4
NaCO3 + AuNO3 = NaNO3 + AuCO3 =>
NaCO3 + AuNO3 = NaNO3 + AuCO3
C2H2 + HOCl = CH(OH) + CClH =>
C2H2 + HOCl = CH(OH) + CClH
Ga2Br3 + Cl2 = Ga2Cl2 + Br2 =>
2 Ga2Br3 + 2 Cl2 = 2 Ga2Cl2 + 3 Br2
CH3OH + H2O = CO2 + H2 =>
CH3OH + H2O = CO2 + 3 H2
HF + Cs2O = CsF + H2O =>
2 HF + Cs2O = 2 CsF + H2O
KOH + Cu(No3)2 = Cu(OH)2 + KNo3 =>
2 KOH + Cu(No3)2 = Cu(OH)2 + 2 KNo3
ZnO + CO2 = ZnO2 + CO =>
ZnO + CO2 = ZnO2 + CO
Ca + HCl = CaCl3 + H2 =>
2 Ca + 6 HCl = 2 CaCl3 + 3 H2
Mg + ZnSO3 = Zn + MgSO3 =>
Mg + ZnSO3 = Zn + MgSO3
NaAlO4H4 = Na2O + Al2O3 + H2O =>
2 NaAlO4H4 = Na2O + Al2O3 + 4 H2O
HCN(aq) + Ba(OH)2 = Ba(CN)2 + H2O =>
2 HCN(aq) + Ba(OH)2 = Ba(CN)2 + 2 H2O
Ni3H + Fe + S = Fe3H + Ni2S3 =>
2 Ni3H + 6 Fe + 9 S = 2 Fe3H + 3 Ni2S3
WO3 + CH3CH2OH = W2O3 + CO2 + H2O =>
4 WO3 + CH3CH2OH = 2 W2O3 + 2 CO2 + 3 H2O
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
NaHCO3 + CH3COOH = CO2 + H2O + Na =>
8 NaHCO3 + CH3COOH = 10 CO2 + 6 H2O + 8 Na
Br2 + KOH = K3Br + KBrO3 + H2O =>
4 Br2 + 18 KOH = 5 K3Br + 3 KBrO3 + 9 H2O
ZnCl2 + Cu = Cl2Cu + Zn =>
ZnCl2 + Cu = Cl2Cu + Zn
Na2SbCl6 + NaBH4 + H2O = SbH3 + H3BO3 + NaCl + HCl =>
8 Na2SbCl6 + 7 NaBH4 + 21 H2O = 8 SbH3 + 7 H3BO3 + 23 NaCl + 25 HCl
MnO + KOH + O2 = K1MnO4 + H2O =>
4 MnO + 4 KOH + 5 O2 = 4 K1MnO4 + 2 H2O
Cu(OH)2 + BaO = CuO + Ba(OH)2 =>
Cu(OH)2 + BaO = CuO + Ba(OH)2
CaS + O2 = SO + CaO =>
CaS + O2 = SO + CaO
Na(OH) + H4P2O7 = H2O + Na4P2O7 =>
4 Na(OH) + H4P2O7 = 4 H2O + Na4P2O7
Ca(OH)2 + HCl + (NH4)2CO3 = CaCO3 + NH4Cl + H2O =>
Ca(OH)2 + 2 HCl + (NH4)2CO3 = CaCO3 + 2 NH4Cl + 2 H2O
BaCl2KCl = BaClKCl2 =>
BaCl2KCl = BaClKCl2
Cu(oh)2 + NH3 = [Cu(NH3)4]2 =>
Cu(oh)2 + 8 NH3 = [Cu(NH3)4]2
CuSO4 + Na3PO4(s) = CuPO4(s) + Na3SO4(aq) =>
CuSO4 + Na3PO4(s) = CuPO4(s) + Na3SO4(aq)
K2SeO3 + H2SO3 = Se + K2SO4 + H2SO4 + H2O =>
K2SeO3 + 2 H2SO3 = Se + K2SO4 + H2SO4 + H2O
NH3 + KNO3 = K2O + N2 + H2O =>
10 NH3 + 6 KNO3 = 3 K2O + 8 N2 + 15 H2O
Na2[B2(OH)4(O2)2] + KMnO4 + H2SO4 = Na2SO4 + K2SO4 + B2O3 + H2O + MnO4 =>
Na2[B2(OH)4(O2)2] + 4 KMnO4 + 3 H2SO4 = Na2SO4 + 2 K2SO4 + B2O3 + 5 H2O + 4 MnO4
FeS + HNo3 = H2S + Fe(No3)2 =>
FeS + 2 HNo3 = H2S + Fe(No3)2
CuSO4 + FeBr3 = CuBr + Fe(SO4)3 =>
3 CuSO4 + FeBr3 = 3 CuBr + Fe(SO4)3
KI(ag) + Cl2(g) = KCl(aq) + I2(aq) =>
2 KI(ag) + Cl2(g) = 2 KCl(aq) + I2(aq)
BaH18O10 + HNO3 = Ba(NO3)2 + H2O =>
BaH18O10 + 2 HNO3 = Ba(NO3)2 + 10 H2O
Hg4Fe(CN)6 + ClO3 = Cl + NO + CO2 + Fe + Hg =>
Hg4Fe(CN)6 + 6 ClO3 = 6 Cl + 6 NO + 6 CO2 + Fe + 4 Hg
MgBr2 + H2SO4 = HBr + MgSO4 =>
MgBr2 + H2SO4 = 2 HBr + MgSO4
KClO3 + MnO2 = O2 + MnClO3 + K =>
KClO3 + MnO2 = O2 + MnClO3 + K
SCa + O2 = SO2 + CaO =>
2 SCa + 3 O2 = 2 SO2 + 2 CaO
Ag + H3PO4 = Ag3PO4 + H2O + P2O3 =>
12 Ag + 10 H3PO4 = 4 Ag3PO4 + 15 H2O + 3 P2O3
NH4HCO3 + MgSO4 = Mg(HCO3)2 + (NH4)2SO4 =>
2 NH4HCO3 + MgSO4 = Mg(HCO3)2 + (NH4)2SO4
NH3Cl + HgC2H3O2 = NH3C2H3O2 + HgCl =>
NH3Cl + HgC2H3O2 = NH3C2H3O2 + HgCl
CuO + H2SO4 = H2O + CuSO4 =>
CuO + H2SO4 = H2O + CuSO4
Fe + Cu2S = FeS + Cu2 =>
Fe + Cu2S = FeS + Cu2
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