| Équations équilibrées la veille |
NH4CN + NaBr = NaCN + NH4Br
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
(NH4)2Fe(SO4)2*6H2O + NaOH = Na2SO4 + NH3 + Fe(OH)2 + H2O =>
(NH4)2Fe(SO4)2*6H2O + 4 NaOH = 2 Na2SO4 + 2 NH3 + Fe(OH)2 + 8 H2O
Be(HCO3)2 + HClO3 = H2CO3 + Be(ClO3)2 =>
Be(HCO3)2 + 2 HClO3 = 2 H2CO3 + Be(ClO3)2
MnO2 + Na2C2O4 + H2SO4 = MnSO2 + Na2SO4 + CO2 + H2O =>
MnO2 + 3 Na2C2O4 + 4 H2SO4 = MnSO2 + 3 Na2SO4 + 6 CO2 + 4 H2O
NH4OH = NH4 + OH =>
NH4OH = NH4 + OH
Ca(OH)2(aq) + H3PO4(aq) = Ca3(PO4)2(s) + H2O =>
3 Ca(OH)2(aq) + 2 H3PO4(aq) = Ca3(PO4)2(s) + 6 H2O
CaCN2H2O = Ca(HCN2)2Ca(OH)2 =>
2 CaCN2H2O = Ca(HCN2)2Ca(OH)2
Mg3(PO4)2 + AgNO3 = Mg(NO3)2 + Ag3(PO4) =>
Mg3(PO4)2 + 6 AgNO3 = 3 Mg(NO3)2 + 2 Ag3(PO4)
Cu(NH3)4{+2} + CN{-} + H2O = Cu(CN)3{-2} + CNO{-} + NH4{+} + NH3 =>
2 Cu(NH3)4{+2} + 7 CN{-} + H2O = 2 Cu(CN)3{-2} + CNO{-} + 2 NH4{+} + 6 NH3
Cu(s) + HCl(l) = CuCl2(aq) + H2(g) =>
Cu(s) + 2 HCl(l) = CuCl2(aq) + H2(g)
AgCl + NH3 = [Ag(NH3)] + Cl =>
AgCl + NH3 = [Ag(NH3)] + Cl
CaCO3 + NaHCO3 = Ca(HCO3)2 + Na2CO3 =>
CaCO3 + 2 NaHCO3 = Ca(HCO3)2 + Na2CO3
IO3{-} + CS(NH2)2 + H{+} = I{-} + (NH2)2CSSC(NH2)2{2+} + H2O =>
IO3{-} + 6 CS(NH2)2 + 6 H{+} = I{-} + 3(NH2)2CSSC(NH2)2{2+} + 3 H2O
Zn(C2H3O2)2 + KI = ZnI + K(C2H3O2)2 =>
Zn(C2H3O2)2 + KI = ZnI + K(C2H3O2)2
Li3N + NaCl = LiCl + Na3N =>
Li3N + 3 NaCl = 3 LiCl + Na3N
C2H2 + Cl2 = C2H2Cl2 =>
C2H2 + Cl2 = C2H2Cl2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
HI + CsOH = CsI + H(OH) =>
HI + CsOH = CsI + H(OH)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HCN + NaOCl = NaOCN + HCl =>
HCN + NaOCl = NaOCN + HCl
H3P + Li(OH) = Li3P + H2O =>
H3P + 3 Li(OH) = Li3P + 3 H2O
NH4Cl(aq) + Cu(NO3)2(aq) = NH4NO3(aq) + CuCl2(s) =>
2 NH4Cl(aq) + Cu(NO3)2(aq) = 2 NH4NO3(aq) + CuCl2(s)
H2SO4(aq) + Ca(OH)2(s) = CaSO4 + H2O =>
H2SO4(aq) + Ca(OH)2(s) = CaSO4 + 2 H2O
Cr2O3 + HCl = CrCl3 + H2O =>
Cr2O3 + 6 HCl = 2 CrCl3 + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na2S + CO = Na2SO4 + C =>
Na2S + 4 CO = Na2SO4 + 4 C
UF6 = F2 + UF3 =>
2 UF6 = 3 F2 + 2 UF3
H2CO3(ac) = H2O(l) + CO2(g) =>
H2CO3(ac) = H2O(l) + CO2(g)
C5H10O + NaBH4 = C5H12O + NaB =>
2 C5H10O + NaBH4 = 2 C5H12O + NaB
Mn(CH3COO)2 + (NH4)2S = MnS + NH4CH3COO =>
Mn(CH3COO)2 + (NH4)2S = MnS + 2 NH4CH3COO
Bi2S3 + HClO4 + H2O = HBiO3 + S + Cl2 =>
7 Bi2S3 + 10 HClO4 + 2 H2O = 14 HBiO3 + 21 S + 5 Cl2
Mn(CH3COO)2 + (NH4)2S = MnS + NH4CH3COO =>
Mn(CH3COO)2 + (NH4)2S = MnS + 2 NH4CH3COO
AgI + NaCl = AgCl + NaI =>
AgI + NaCl = AgCl + NaI
Ga(OH)3 + H2(CO3) = Ga2(CO3)3 + H(OH) =>
2 Ga(OH)3 + 3 H2(CO3) = Ga2(CO3)3 + 6 H(OH)
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
K4Fe(CN)6 + Ba(NO3)2 = Ba2Fe(CN)6 + KNO3 =>
K4Fe(CN)6 + 2 Ba(NO3)2 = Ba2Fe(CN)6 + 4 KNO3
Mn(CH3COO)2 + (NH4)2S = MnS + NH4CH3COO =>
Mn(CH3COO)2 + (NH4)2S = MnS + 2 NH4CH3COO
FeCl3 + NaHSO3 + H2O = Na2SO4 + H2SO4 + HCl + FeCl2 =>
4 FeCl3 + 2 NaHSO3 + 2 H2O = Na2SO4 + H2SO4 + 4 HCl + 4 FeCl2
Mg + O = MgO =>
Mg + O = MgO
NaI(aq) + Mg(NO3)2(aq) = NaNO3(aq) + MgI2(aq) =>
2 NaI(aq) + Mg(NO3)2(aq) = 2 NaNO3(aq) + MgI2(aq)
B + O2(g) = B2O3(s) =>
4 B + 3 O2(g) = 2 B2O3(s)
La(NO3)3 + Sr(NO3)2 + Ti(NO3)2 + C2H5NO2 = La045Sr045Ti1O3 + N2 + H2O + CO2 =>
270 La(NO3)3 + 270 Sr(NO3)2 + 6 Ti(NO3)2 + 904 C2H5NO2 = 6 La045Sr045Ti1O3 + 1133 N2 + 2260 H2O + 1808 CO2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
(NH4)2CO3(aq) + KOH(aq) = K2CO3 + H2O + NH3 =>
(NH4)2CO3(aq) + 2 KOH(aq) = K2CO3 + 2 H2O + 2 NH3
BaO2 + H2O = Ba(OH)2 + H2O2 =>
BaO2 + 2 H2O = Ba(OH)2 + H2O2
CO2 + BaSO4 = BaCO3 + SO2 + O2 =>
2 CO2 + 2 BaSO4 = 2 BaCO3 + 2 SO2 + O2
Cu(NO3)2 + NH4CN = Cu(CN)2 + NH4NO3 =>
Cu(NO3)2 + 2 NH4CN = Cu(CN)2 + 2 NH4NO3
Be + AuCl3 = BeCl2 + Au =>
3 Be + 2 AuCl3 = 3 BeCl2 + 2 Au
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Équations équilibrées sur10/20/24
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