Équations équilibrées la veille |
4 Na2CO3 + Fe3Br8 = 8 NaBr + 4 CO2 + Fe3O4
KMnO4 + NaHSO3 + KOH = K2MnO4 + NaHSO4 + H2O =>
2 KMnO4 + NaHSO3 + 2 KOH = 2 K2MnO4 + NaHSO4 + H2O
A + HCl = ACl3 + H2 =>
2 A + 6 HCl = 2 ACl3 + 3 H2
HCl + NO2 = NO + H2O + Cl2 =>
2 HCl + NO2 = NO + H2O + Cl2
K + MgCl2 = (K2)Cl + Mg =>
4 K + MgCl2 = 2(K2)Cl + Mg
SiO2 + Ca(OH)2 = Ca2SiO4 + H2O =>
SiO2 + 2 Ca(OH)2 = Ca2SiO4 + 2 H2O
Ca3X2 + Ca(OH)2 = Ca10(X)6(OH)2 =>
3 Ca3X2 + Ca(OH)2 = Ca10(X)6(OH)2
MnCl2 + Na2S = MnS + NaCl =>
MnCl2 + Na2S = MnS + 2 NaCl
H3PO4 + Ag = Ag3PO4 + H2O + P2O3 =>
10 H3PO4 + 12 Ag = 4 Ag3PO4 + 15 H2O + 3 P2O3
C7H8 + O2 = CO + H2O =>
2 C7H8 + 11 O2 = 14 CO + 8 H2O
K + MgCl2 = K2Cl + Mg =>
4 K + MgCl2 = 2 K2Cl + Mg
Co(NO3)2 + H2SO4 = CoSO4 + HNO3 =>
Co(NO3)2 + H2SO4 = CoSO4 + 2 HNO3
K + O2 = K2O =>
4 K + O2 = 2 K2O
CH3CN + H2 = CH4 + HCN =>
CH3CN + H2 = CH4 + HCN
C6H14 + O2 = CO2 + H2O = =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
K + P = KP =>
K + P = KP
CaSO4(H2O)2 + SO3 = CaSO4 + H2SO4 =>
CaSO4(H2O)2 + 2 SO3 = CaSO4 + 2 H2SO4
Al2(CO3)3 + K2SO4 = Al2(SO4)3 + K2CO3 =>
Al2(CO3)3 + 3 K2SO4 = Al2(SO4)3 + 3 K2CO3
FeSO4 + KClO3 + H2SO4 = Fe(SO4)3 + K2SO4 + Cl + H2O =>
5 FeSO4 + 4 KClO3 + 12 H2SO4 = 5 Fe(SO4)3 + 2 K2SO4 + 4 Cl + 12 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ba(HO)2 + HClO4 = Ba(ClO4)2 + H2O =>
Ba(HO)2 + 2 HClO4 = Ba(ClO4)2 + 2 H2O
Ca(OH)2(s) + MgCl2(aq) = Mg(OH)2(s) + CaCl2(aq) =>
Ca(OH)2(s) + MgCl2(aq) = Mg(OH)2(s) + CaCl2(aq)
Cr2O3 + KOH + Br2 = K2Cr2O7 + KBr + H2O =>
Cr2O3 + 8 KOH + 3 Br2 = K2Cr2O7 + 6 KBr + 4 H2O
C2 + O = C2O =>
C2 + O = C2O
H(C2H3O2) + Na(HCO3) = Na(C2H3O2) + H2O + CO2 =>
H(C2H3O2) + Na(HCO3) = Na(C2H3O2) + H2O + CO2
NH4Cl + NaCrO4 = NH4CrO4 + NaCl =>
NH4Cl + NaCrO4 = NH4CrO4 + NaCl
K(ClO3) = KCl + O =>
K(ClO3) = KCl + 3 O
NH3 + I2 = N2I6 + H2 =>
2 NH3 + 3 I2 = N2I6 + 3 H2
Pb(NO3)4 + (NH)2O = PbO2 + NHNO3 =>
Pb(NO3)4 + 2(NH)2O = PbO2 + 4 NHNO3
C7H8 + HNO3 = C7H5N3O6 + H2O =>
C7H8 + 3 HNO3 = C7H5N3O6 + 3 H2O
CU(OH)2 + H2 = CU + H2O =>
CU(OH)2 + H2 = CU + 2 H2O
FeCl3CoCl2 = FeCl2CoCl3 =>
FeCl3CoCl2 = FeCl2CoCl3
K2CO3 + HNO3 = KNO3 + H2O + CO2 =>
K2CO3 + 2 HNO3 = 2 KNO3 + H2O + CO2
NBr3(l) = N2(g) + Br2(g) =>
2 NBr3(l) = N2(g) + 3 Br2(g)
K2O + Na2O + SiO2 = SiO4 + NaK =>
K2O + Na2O + SiO2 = SiO4 + 2 NaK
Ra + OH = Ra(OH)2 =>
Ra + 2 OH = Ra(OH)2
C7H8 + HNO3 = C7H5(NO2)3 + H2O =>
C7H8 + 3 HNO3 = C7H5(NO2)3 + 3 H2O
KCl + H2O = KOH + HCl =>
KCl + H2O = KOH + HCl
Ba(OH)2 + NaOH = Na2[Ba(OH)4] =>
Ba(OH)2 + 2 NaOH = Na2[Ba(OH)4]
Ca3(Po4)2 + H3Po4 = Ca(H2Po4)2 =>
Ca3(Po4)2 + 4 H3Po4 = 3 Ca(H2Po4)2
NaCl + Ca = CaCl + Na =>
NaCl + Ca = CaCl + Na
Si + HNO3 + HF = H2O + H2SiF6 + NO =>
3 Si + 4 HNO3 + 18 HF = 8 H2O + 3 H2SiF6 + 4 NO
C8H18O3 + O2 = CO2 + H2O =>
C8H18O3 + 11 O2 = 8 CO2 + 9 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
KCl + NaNO3 = KNO3 + NaCl =>
KCl + NaNO3 = KNO3 + NaCl
(NH2)2CO + NO2 = CO2 + H2O + N2 =>
4(NH2)2CO + 6 NO2 = 4 CO2 + 8 H2O + 7 N2
C9H12 + O2 = CO2 + H2O =>
C9H12 + 12 O2 = 9 CO2 + 6 H2O
propene + hydrogen = C3H8 =>
CH3CHCH2 + H2 = C3H8
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
SrGa2S4 + O2 = SrO + Ga2O3 + SO2 =>
SrGa2S4 + 6 O2 = SrO + Ga2O3 + 4 SO2
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