Équations équilibrées la veille |
2 Al + 3 CrSO4 = Al2(SO4)3 + 3 Cr
Fe2O3 + LiCl = FeCl3 + Li2O =>
Fe2O3 + 6 LiCl = 2 FeCl3 + 3 Li2O
BaO + NaOH = Ba(OH)2 + Na2O =>
BaO + 2 NaOH = Ba(OH)2 + Na2O
Zn + HNO3 = Zn(NO3) + NH2 + H2O =>
7 Zn + 8 HNO3 = 7 Zn(NO3) + NH2 + 3 H2O
Cu + S + O = Cu2SO4 =>
2 Cu + S + 4 O = Cu2SO4
NaNO2 + K2Cr2O7 + H2O = NaNO3 + KOH + Cr(OH)3 =>
3 NaNO2 + K2Cr2O7 + 4 H2O = 3 NaNO3 + 2 KOH + 2 Cr(OH)3
NaNO3 + HI = NaI + HNO3 =>
NaNO3 + HI = NaI + HNO3
HBr + MnO2 + H2SO4 = Br2 + MnSO4 + H2O =>
2 HBr + MnO2 + H2SO4 = Br2 + MnSO4 + 2 H2O
KI + Fe(NO3)3 = FeI3 + KNO3 =>
3 KI + Fe(NO3)3 = FeI3 + 3 KNO3
HCl + Br = HBr + Cl2 =>
2 HCl + 2 Br = 2 HBr + Cl2
C6H10CaO6 + H2O = C3H6O3 + Ca(OH)2 =>
C6H10CaO6 + 2 H2O = 2 C3H6O3 + Ca(OH)2
Ca(OH)NO3 + H3PO4 = Ca3(PO4)2 + H2O + HNO3 =>
3 Ca(OH)NO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2O + 3 HNO3
CuS + H2SO4 = CuO + SO2 + H2O =>
CuS + 3 H2SO4 = CuO + 4 SO2 + 3 H2O
H2S + Na2SO3 = Na2S + SO4 + H2O =>
3 H2S + 5 Na2SO3 = 5 Na2S + 3 SO4 + 3 H2O
K2(CO3) + H(NO3) = K(NO3) + CO2 + H2O =>
K2(CO3) + 2 H(NO3) = 2 K(NO3) + CO2 + H2O
CoCl{2} + NaOH = CoOH{2} + NaCl =>
CoCl{2} + NaOH = CoOH{2} + NaCl
O7Cl2 + H2O = HClO4 =>
O7Cl2 + H2O = 2 HClO4
Ba(s) + HNO3(aq) = Ba(NO3)2(s) + H2(g) =>
Ba(s) + 2 HNO3(aq) = Ba(NO3)2(s) + H2(g)
NaCl(aq) + KNO3(aq) = KCl(aq) + NaNO3(aq) =>
NaCl(aq) + KNO3(aq) = KCl(aq) + NaNO3(aq)
Zn(s) + CuBr2(aq) = Zn(s)Br2(aq) + Cu(aq) =>
Zn(s) + CuBr2(aq) = Zn(s)Br2(aq) + Cu(aq)
Na2(SO4) + MgBr2 = NaBr + Mg(SO4) =>
Na2(SO4) + MgBr2 = 2 NaBr + Mg(SO4)
CaCO3 + CH3COOH = H2O + CH3COOCa + CO2 =>
8 CaCO3 + 9 CH3COOH = 6 H2O + 8 CH3COOCa + 10 CO2
Co(SO4)2 + Ba(NO3)2 = Co(NO3)2 + Ba(SO4)2 =>
Co(SO4)2 + Ba(NO3)2 = Co(NO3)2 + Ba(SO4)2
PbBr2 + H2 = HBr + Pb =>
PbBr2 + H2 = 2 HBr + Pb
Co(OH)2 + HCl = CoCl2 + H2O =>
Co(OH)2 + 2 HCl = CoCl2 + 2 H2O
Fe2 + H2SO4 = Fe(SO4)2 + H2 =>
Fe2 + 4 H2SO4 = 2 Fe(SO4)2 + 4 H2
Cu(OH)2 + HCl2 = CuCl2 + H3O2 =>
Cu(OH)2 + HCl2 = CuCl2 + H3O2
K3[Co(NO2)6] + Ce(SO4)2 = K2[Ce(NO2)6] + K2SO4 + Co2(SO4)3 =>
2 K3[Co(NO2)6] + 2 Ce(SO4)2 = 2 K2[Ce(NO2)6] + K2SO4 + Co2(SO4)3
CH4(g) + O2(g) = C2H2(g) + H2O(g) =>
4 CH4(g) + 3 O2(g) = 2 C2H2(g) + 6 H2O(g)
KI + CH3COOH + NaNO2 = I2 + CH3COONa + CH3COOK + NO + H2O =>
2 KI + 4 CH3COOH + 2 NaNO2 = I2 + 2 CH3COONa + 2 CH3COOK + 2 NO + 2 H2O
NaCO3 + AgCl = NaCl + AgCO3 =>
NaCO3 + AgCl = NaCl + AgCO3
Sb(OH)2 + HCl = SbCl2 + H2O =>
Sb(OH)2 + 2 HCl = SbCl2 + 2 H2O
KMnO4(ac) + H2O2(ac) = KOH(ac) + MnO2(ac) + O2(ac) =>
2 KMnO4(ac) + H2O2(ac) = 2 KOH(ac) + 2 MnO2(ac) + 2 O2(ac)
HI + Li = LiI + H2 =>
2 HI + 2 Li = 2 LiI + H2
NaCO3 + Ag(NO3)2 = Na(NO3)2 + AgCO3 =>
NaCO3 + Ag(NO3)2 = Na(NO3)2 + AgCO3
Ba(NO3)2(aq) + CuCl2(aq) = BaCl2(aq) + Cu(NO3)2(s) =>
Ba(NO3)2(aq) + CuCl2(aq) = BaCl2(aq) + Cu(NO3)2(s)
H2SiO3 + Pt = Pt2SiO3 + H2 =>
H2SiO3 + 2 Pt = Pt2SiO3 + H2
CrCl3 + KOH + KClO = KCl + KCrO4 + H2O =>
CrCl3 + 4 KOH + 2 KClO = 5 KCl + KCrO4 + 2 H2O
Na3PO4 + Mg(ClO2)2 = Mg3(PO4)2 + NaClO2 =>
2 Na3PO4 + 3 Mg(ClO2)2 = Mg3(PO4)2 + 6 NaClO2
NaCl + K[(OH)6] = Na[(OH)6] + KCl =>
NaCl + K[(OH)6] = Na[(OH)6] + KCl
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KC2H3O2 + Cu(NO3)2 = KNO3 + Cu(C2H3O2)2 =>
2 KC2H3O2 + Cu(NO3)2 = 2 KNO3 + Cu(C2H3O2)2
CaCl2 + CuNO3 = CuCl + Ca(NO3)2 =>
CaCl2 + 2 CuNO3 = 2 CuCl + Ca(NO3)2
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
CO(NO3)2 + HNO2 = NO + CO(NO3)3 + H2O =>
CO(NO3)2 + 4 HNO2 = 3 NO + CO(NO3)3 + 2 H2O
Zn + Cu3(PO4)2 = Cu + Zn3(PO4)2 =>
3 Zn + Cu3(PO4)2 = 3 Cu + Zn3(PO4)2
Ba(NO3)2 + HSO3NH2 = Ba(SO3NH2)2 + HNO3 =>
Ba(NO3)2 + 2 HSO3NH2 = Ba(SO3NH2)2 + 2 HNO3
NH4(CO3) + ZnBr = Zn(NH4) + BrCO3 =>
NH4(CO3) + ZnBr = Zn(NH4) + BrCO3
Li3PO4 + Na = Na3PO4 + Li =>
Li3PO4 + 3 Na = Na3PO4 + 3 Li
Mg2 + Mn(SO3)2 = MgSO3 + Mn4 =>
4 Mg2 + 4 Mn(SO3)2 = 8 MgSO3 + Mn4
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