| Équations équilibrées la veille |
2 C2H4(g) + O2(g) = 2 C2H4O(g)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
H2CO3 + KOH = K2CO3 + H2O =>
H2CO3 + 2 KOH = K2CO3 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
SO2 + OH = SO3 + H2O =>
SO2 + 2 OH = SO3 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Pb2O4(s) = PbO(s) + O(g) =>
Pb2O4(s) = 2 PbO(s) + 2 O(g)
Li2SO3 + H2O + SO2 = LiHSO3 =>
Li2SO3 + H2O + SO2 = 2 LiHSO3
Ca(NO3)2 + H2SO4(aq) = CaSO4(s) + HNO3(aq) =>
Ca(NO3)2 + H2SO4(aq) = CaSO4(s) + 2 HNO3(aq)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
AlF3 + LiF = Li3[AlF6] =>
AlF3 + 3 LiF = Li3[AlF6]
Al2(SO4)3 + HNO3 = Al(NO3)3 + H2SO4 =>
Al2(SO4)3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2SO4
Mg(s) + HCl(aq) = MgCl2(ag) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(ag) + H2(g)
NaBr(aq) + Cl2(g) = NaCl(aq) + Br2(g) =>
2 NaBr(aq) + Cl2(g) = 2 NaCl(aq) + Br2(g)
K5 + O2 = K2O =>
4 K5 + 5 O2 = 10 K2O
ZnO + CH3OH = Zn + HCHO + H2O =>
ZnO + CH3OH = Zn + HCHO + H2O
C3H7Cl + Na = C6H14 + NaCl =>
2 C3H7Cl + 2 Na = C6H14 + 2 NaCl
Cl2O7 + H2O = HClO4 =>
Cl2O7 + H2O = 2 HClO4
KBr + Cl2 = KCl + Br2 =>
2 KBr + Cl2 = 2 KCl + Br2
NaCl + Ag(NO) = AgCl + Na(NO) =>
NaCl + Ag(NO) = AgCl + Na(NO)
Pb(NO3)2 + NH4Cl = PbCl2 + NH4(NO3) =>
Pb(NO3)2 + 2 NH4Cl = PbCl2 + 2 NH4(NO3)
NaHCO3 + C3H6O3 = CO2 + H2O + Na2CO =>
6 NaHCO3 + C3H6O3 = 6 CO2 + 6 H2O + 3 Na2CO
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Nd + H2O = Nd(OH)3 + H2(g) =>
2 Nd + 6 H2O = 2 Nd(OH)3 + 3 H2(g)
NO2 = O2 + N2* =>
2 NO2 = 2 O2 + N2*
(C2H10) + O2 = CO2 + H2O =>
2(C2H10) + 9 O2 = 4 CO2 + 10 H2O
HCl + NOH = NCl + H2O =>
HCl + NOH = NCl + H2O
CrCl3 + HBr = CrBr3 + HCl =>
CrCl3 + 3 HBr = CrBr3 + 3 HCl
C6H5N2Cl = C6H5Cl + N2 =>
C6H5N2Cl = C6H5Cl + N2
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
Ti + CuCl2 = TiCl4 + Cu =>
Ti + 2 CuCl2 = TiCl4 + 2 Cu
K2O(s) + H2O(l) = KOH(aq) =>
K2O(s) + H2O(l) = 2 KOH(aq)
Al + HClO3 = Al2(ClO3)3 + H2 =>
4 Al + 6 HClO3 = 2 Al2(ClO3)3 + 3 H2
Zn(NO3)2*6H2O + Al(NO3)3*9H2O + NH2CONH2 = ZnAl2O4 + H2O + CO2 + N2 =>
3 Zn(NO3)2*6H2O + 6 Al(NO3)3*9H2O + 20 NH2CONH2 = 3 ZnAl2O4 + 112 H2O + 20 CO2 + 32 N2
Mg(C2H3O2)2 + (NH4)3PO4 = Mg3(PO4)2 + NH4C2H3O2 =>
3 Mg(C2H3O2)2 + 2(NH4)3PO4 = Mg3(PO4)2 + 6 NH4C2H3O2
Si3N4 + CO2 = SiO2 + N2O + CO =>
Si3N4 + 8 CO2 = 3 SiO2 + 2 N2O + 8 CO
NaClO4(aq) + (NH4)2S(aq) = NH4ClO4 + Na2S =>
2 NaClO4(aq) + (NH4)2S(aq) = 2 NH4ClO4 + Na2S
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
NiCl2Cu = CuCl2Ni =>
NiCl2Cu = CuCl2Ni
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
Ca2 = Ca5 =>
5 Ca2 = 2 Ca5
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
NiCl2Ca(OH)2 = Ni(OH)2Cl2Ca =>
NiCl2Ca(OH)2 = Ni(OH)2Cl2Ca
HCOH + K2Cr2O7 + H2SO4 = HCOOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 HCOH + K2Cr2O7 + 4 H2SO4 = 3 HCOOH + K2SO4 + Cr2(SO4)3 + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Pb2O4(s) = PbO(s) + O(g) =>
Pb2O4(s) = 2 PbO(s) + 2 O(g)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H{+} + As2S3 + NO3{-} + H2O = H2AsO4{-} + SO4{2-} + NO =>
4 H{+} + 3 As2S3 + 28 NO3{-} + 4 H2O = 6 H2AsO4{-} + 9 SO4{2-} + 28 NO
Pb(NO3)2 + Na2CO3 + NH3 + H2O = Pb2(OH)2CO3 + NaNO3 + NH4NO3 =>
2 Pb(NO3)2 + Na2CO3 + 2 NH3 + 2 H2O = Pb2(OH)2CO3 + 2 NaNO3 + 2 NH4NO3
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