| Équations équilibrées la veille |
N2H5Cl + 2 H2SO4 = N2 + 4 H2O + HCl + 2 SO2
Ca(OH)2 + H2SiO3 = (CaOH)2SiO3 + H2O =>
2 Ca(OH)2 + H2SiO3 = (CaOH)2SiO3 + 2 H2O
C8H10 + Fe3O4 = Fe + CO2 + H =>
C8H10 + 4 Fe3O4 = 12 Fe + 8 CO2 + 10 H
Rb + H2O = Rb2O + H2 =>
2 Rb + H2O = Rb2O + H2
SrCl2 + AgNO3 = Sr(NO3)2 + AgCl =>
SrCl2 + 2 AgNO3 = Sr(NO3)2 + 2 AgCl
KMnO4 + H2SO4 + KCl = MnCl2 + K2SO4 + Cl2 + H2O =>
2 KMnO4 + 8 H2SO4 + 14 KCl = 2 MnCl2 + 8 K2SO4 + 5 Cl2 + 8 H2O
J2 + KJ = KJ3 =>
J2 + KJ = KJ3
K2S4O6 + Cl2 + H2O = KHSO4 + HCl + H2SO4 =>
K2S4O6 + 7 Cl2 + 10 H2O = 2 KHSO4 + 14 HCl + 2 H2SO4
NaOH + POCl3 = H3PO4 + NaCl =>
3 NaOH + POCl3 = H3PO4 + 3 NaCl
Ni + Zn2{+} = Ni2{+} + Zn =>
2 Ni + Zn2{+} = Ni2{+} + 2 Zn
Mg + SnF2 = MgSn + F =>
Mg + SnF2 = MgSn + 2 F
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
CH3COONa + HBr = NaBr + C2H4O2 =>
CH3COONa + HBr = NaBr + C2H4O2
Fe(OH)3 + KSCN = K(OH)3 + FeSCN =>
Fe(OH)3 + KSCN = K(OH)3 + FeSCN
Ca(OH)2 + H3PO4 = Ca2(HPO4)2 + H2O =>
2 Ca(OH)2 + 2 H3PO4 = Ca2(HPO4)2 + 4 H2O
Na2CO3 + Pb(NO3)4 = NaNO3 + Pb2(CO3)4 =>
4 Na2CO3 + 2 Pb(NO3)4 = 8 NaNO3 + Pb2(CO3)4
Cl2 + O2 = Cl2O7 =>
2 Cl2 + 7 O2 = 2 Cl2O7
Ca(OH)2 + Zn(OH)2 = CaZnO2 + H2O =>
Ca(OH)2 + Zn(OH)2 = CaZnO2 + 2 H2O
Zn(NO3)2(aq) + Na2CO3(aq) = Zn(CO3)(aq) + Na2(NO3)2(aq) =>
Zn(NO3)2(aq) + Na2CO3(aq) = Zn(CO3)(aq) + Na2(NO3)2(aq)
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Ni(NO3)2 + K3PO4 = Ni3(PO4)2 + KNO3 =>
3 Ni(NO3)2 + 2 K3PO4 = Ni3(PO4)2 + 6 KNO3
KI + HCl + MnO2 = I2 + MnCl2 + KCl + H2O =>
2 KI + 4 HCl + MnO2 = I2 + MnCl2 + 2 KCl + 2 H2O
FeS(s) + O3(g) = Fe2O3(s) + SO2(g) =>
6 FeS(s) + 7 O3(g) = 3 Fe2O3(s) + 6 SO2(g)
K2Cr2O7 + H2C2O4*H2O = K[Cr(C2O4)2(H2O)2]*2H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4*H2O = 2 K[Cr(C2O4)2(H2O)2]*2H2O + 6 CO2 + 6 H2O
FeCl3 + NaOH = NaCl + Fe(OH)3 =>
FeCl3 + 3 NaOH = 3 NaCl + Fe(OH)3
K2Cr2O7 + C2H2 + KOH + H2O = K3[Cr(OH)6] + CO2 =>
5 K2Cr2O7 + 3 C2H2 + 20 KOH + 17 H2O = 10 K3[Cr(OH)6] + 6 CO2
Mn3O4(s) + Al(s) = Mn(s) + Al2O3(s) =>
3 Mn3O4(s) + 8 Al(s) = 9 Mn(s) + 4 Al2O3(s)
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2 =>
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2
Na(PO4) + CrCl = NaCl + Cr(PO4) =>
Na(PO4) + CrCl = NaCl + Cr(PO4)
C7H14 + Br2 = C8H14Br2 + H =>
8 C7H14 + 7 Br2 = 7 C8H14Br2 + 14 H
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Fe(NO3)3 + Ca(CN)2 = Fe(CN)3 + Ca(NO3)2 =>
2 Fe(NO3)3 + 3 Ca(CN)2 = 2 Fe(CN)3 + 3 Ca(NO3)2
C2H4(g) + O2(g) = C(s) + H2O(g) =>
C2H4(g) + O2(g) = 2 C(s) + 2 H2O(g)
B2O3(s) + HF(l) = BF3(g) + H2O(l) =>
B2O3(s) + 6 HF(l) = 2 BF3(g) + 3 H2O(l)
MnL3 = Mn + L2 =>
2 MnL3 = 2 Mn + 3 L2
KClO3* = KCl + O2* =>
2 KClO3* = 2 KCl + 3 O2*
CdCl2 + Na2SO3 + H2O = (CdOH)2SO3 + NaCl + SO2 =>
2 CdCl2 + 2 Na2SO3 + H2O = (CdOH)2SO3 + 4 NaCl + SO2
(NH4)2SO4*FeSO4*6H2O + H2C2O4 = NH4{+} + SO4{2-} + H{+} + FeC2O4*2H2O + H2O =>
(NH4)2SO4*FeSO4*6H2O + H2C2O4 = 2 NH4{+} + 2 SO4{2-} + 2 H{+} + FeC2O4*2H2O + 4 H2O
CuO + HCl = CuCl2H2O =>
CuO + 2 HCl = CuCl2H2O
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2 =>
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2
NaClO = NaCl + NaClOO3 =>
4 NaClO = 3 NaCl + NaClOO3
F2(g) + NaCl(aq) = NaF(aq) + Cl2(s) =>
F2(g) + 2 NaCl(aq) = 2 NaF(aq) + Cl2(s)
C5H12 = C5H10 + H2 =>
C5H12 = C5H10 + H2
Cr(OH)3 + NaOH = H2O + Na3CrO3 =>
Cr(OH)3 + 3 NaOH = 3 H2O + Na3CrO3
IrCl3(aq) + NaOH(aq) = Ir2O3(s) + HCl(aq) + NaCl(aq) =>
2 IrCl3(aq) + 3 NaOH(aq) = Ir2O3(s) + 3 HCl(aq) + 3 NaCl(aq)
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Cu2O + Fe2(SO4)3*(NH2)2SO4 + H2SO4 = CuSO4 + FeSO4 + NH3 + H2O =>
3 Cu2O + Fe2(SO4)3*(NH2)2SO4 + 4 H2SO4 = 6 CuSO4 + 2 FeSO4 + 2 NH3 + 3 H2O
NH4Cl + FeNO3 = NH4NO3 + FeCl =>
NH4Cl + FeNO3 = NH4NO3 + FeCl
C10H16Cl2O2 + C6H16N2 + NaOH = C16H30O2N2 + NaCl + H2O =>
C10H16Cl2O2 + C6H16N2 + 2 NaOH = C16H30O2N2 + 2 NaCl + 2 H2O
Ca(NO3)2*4H2O + KCl = KNO3 + CaCl2 + H2O =>
Ca(NO3)2*4H2O + 2 KCl = 2 KNO3 + CaCl2 + 4 H2O
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