Équations équilibrées la veille |
Sn + 2 H2SO4 = SnSO4 + SO2 + 2 H2O
[Co(NH3)5(H2O)]3 + HNO3 = [Co(NH3)5(H2O)](NO3)3 + H =>
[Co(NH3)5(H2O)]3 + 9 HNO3 = 3[Co(NH3)5(H2O)](NO3)3 + 9 H
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
H2O4 = H2O + O2 =>
2 H2O4 = 2 H2O + 3 O2
K2(Cr2O7) + HI + HClO4 = Cr(ClO4)3 + K(ClO4) + I2 + H2O =>
K2(Cr2O7) + 6 HI + 8 HClO4 = 2 Cr(ClO4)3 + 2 K(ClO4) + 3 I2 + 7 H2O
MgCl2 + Na(No)3 = Mg(No3)2 + NaCl =>
MgCl2 + 2 Na(No)3 = Mg(No3)2 + 2 NaCl
KNO3 + FeBr2 = Fe(NO3)2 + KBr =>
2 KNO3 + FeBr2 = Fe(NO3)2 + 2 KBr
ZnS + HNO3 = NO + ZnSO4 + H2O =>
3 ZnS + 8 HNO3 = 8 NO + 3 ZnSO4 + 4 H2O
C2H2 + Ba = C2H2Ba2 =>
C2H2 + 2 Ba = C2H2Ba2
K2SiO3 = K + SiO3 =>
K2SiO3 = 2 K + SiO3
NaHCO3 + KHSO4 = Na2SO4 + K2SO4 + CO2 + H2O =>
2 NaHCO3 + 2 KHSO4 = Na2SO4 + K2SO4 + 2 CO2 + 2 H2O
Sb3 = Sb5 =>
5 Sb3 = 3 Sb5
Sn + Cl2 = SnCl4 =>
Sn + 2 Cl2 = SnCl4
Ba + H2SO4 = BaSO4 + H2 =>
Ba + H2SO4 = BaSO4 + H2
Pb(NO3)2 + Kl = Kl(NO3)2 + Pb =>
Pb(NO3)2 + Kl = Kl(NO3)2 + Pb
Ba + H2SO4 = BaSO4 + SO2 + H2O =>
Ba + 2 H2SO4 = BaSO4 + SO2 + 2 H2O
Pb(NO3)2 = NO2 + O2 + PbO =>
2 Pb(NO3)2 = 4 NO2 + O2 + 2 PbO
AgNO3(ac) + HCI(ac) = AgCI(s) + HNO3(ac) =>
AgNO3(ac) + HCI(ac) = AgCI(s) + HNO3(ac)
Pb(NO3)2 + Kl = (NO3)2 + PbKl =>
Pb(NO3)2 + Kl = (NO3)2 + PbKl
Ca(OH)2 + HNO3 = CaO3 + HN(OH)2 =>
Ca(OH)2 + HNO3 = CaO3 + HN(OH)2
Mg(OH)2CaO = MgCaO(OH)2 =>
Mg(OH)2CaO = MgCaO(OH)2
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
AlCl3 + Ba(OH)2 = BaCl2 + Al(OH)3 =>
2 AlCl3 + 3 Ba(OH)2 = 3 BaCl2 + 2 Al(OH)3
Na2HCO3 + H2O2 = CO2 + H2O + Na2O2 =>
2 Na2HCO3 + 3 H2O2 = 2 CO2 + 4 H2O + 2 Na2O2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
CaCl2 + AgCl = AgCa + Cl2 =>
2 CaCl2 + 2 AgCl = 2 AgCa + 3 Cl2
Cr(iii) + O2 = Cr2O3 =>
4 Cr(iii) + 3 O2 = 2 Cr2O3
Ag(NH3)2OH + HCl = AgCl + NH4Cl + H2O =>
Ag(NH3)2OH + 3 HCl = AgCl + 2 NH4Cl + H2O
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CH2OH + K2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
H2CO3 + Be(OH)2 = Be2(CO3)2 + H2O =>
2 H2CO3 + 2 Be(OH)2 = Be2(CO3)2 + 4 H2O
C6H5CH2Br + KMnO4 = C6H5COOK + MnO2 + KOH + H2O + HBr =>
3 C6H5CH2Br + 4 KMnO4 = 3 C6H5COOK + 4 MnO2 + KOH + H2O + 3 HBr
LiI + Br2 = Li2Br + I =>
4 LiI + Br2 = 2 Li2Br + 4 I
Al2(SO4)3 + Hg2(C2H3O2)2 = Al2(C2H3O2)3 + Hg2(SO4)2 =>
2 Al2(SO4)3 + 3 Hg2(C2H3O2)2 = 2 Al2(C2H3O2)3 + 3 Hg2(SO4)2
MnO4 + Pb = MnO2 + PbO =>
MnO4 + 2 Pb = MnO2 + 2 PbO
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
Br2 + AlI = AlBr3 + I2 =>
3 Br2 + 2 AlI = 2 AlBr3 + I2
CuCo3NaOH = CuOHNaCo3 =>
CuCo3NaOH = CuOHNaCo3
LiH2PO4 + FeC2O4*2H2O = Li2FeP2O7 + CO + CO2 + H2O =>
2 LiH2PO4 + FeC2O4*2H2O = Li2FeP2O7 + CO + CO2 + 4 H2O
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 + 3 H2O
ClOBr = BrOCl =>
ClOBr = BrOCl
F + O2 = FO =>
2 F + O2 = 2 FO
Cd(NO3)2 + H2O = Cd + O2 + HNO3 =>
2 Cd(NO3)2 + 2 H2O = 2 Cd + O2 + 4 HNO3
C + O = CO =>
C + O = CO
Cr2O7 + Cl + H = CrCl3 + H2O =>
Cr2O7 + 6 Cl + 14 H = 2 CrCl3 + 7 H2O
NaIHg(C2H3O2)2 = HgINa(C2H3O2)2 =>
NaIHg(C2H3O2)2 = HgINa(C2H3O2)2
HN3CaOH = N3CaH2O =>
HN3CaOH = N3CaH2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
O2H2O = O3H2 =>
O2H2O = O3H2
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