| Équations équilibrées la veille |
2 HCl + CuSO4 + NH3 = CuNH3 + H2SO4 + Cl2
HCOOK + H2SO4 = HCOOH + KHSO4 =>
HCOOK + H2SO4 = HCOOH + KHSO4
HClO + Na(OH) = Na(ClO) + H2O =>
HClO + Na(OH) = Na(ClO) + H2O
H2S(aq) + FeBr3(aq) = HBr(aq) + Fe2S3(s) =>
3 H2S(aq) + 2 FeBr3(aq) = 6 HBr(aq) + Fe2S3(s)
CU(OH)Br + HBr = CUBr2 + H2O =>
CU(OH)Br + HBr = CUBr2 + H2O
Cn + HNO3 = Cn(NO3)2 + NO + H2O =>
3 Cn + 8 HNO3 = 3 Cn(NO3)2 + 2 NO + 4 H2O
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3NaNO3
AgX + NH4X + NaOH = Ag(NH3)2OH + NaX + H2O =>
AgX + 2 NH4X + 3 NaOH = Ag(NH3)2OH + 3 NaX + 2 H2O
NaOH + I2 + Cl2 = H2O + NaCl + NaIO4 =>
16 NaOH + I2 + 7 Cl2 = 8 H2O + 14 NaCl + 2 NaIO4
Na2SO4 + CaCO3 + C = NaCO3 + CO2 + CaS =>
2 Na2SO4 + 2 CaCO3 + 3 C = 4 NaCO3 + CO2 + 2 CaS
Ag2O + H2S = Ag + S + H2O =>
Ag2O + H2S = 2 Ag + S + H2O
Na + H2O(g) = NaOH + H2 =>
2 Na + 2 H2O(g) = 2 NaOH + H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HI + Ca(OH)2 = HI(OH)2 + Ca =>
HI + Ca(OH)2 = HI(OH)2 + Ca
H + P4 = H3P =>
12 H + P4 = 4 H3P
C2H2O4 + KMnO4 + HCl = KCl + MnCl2 + H2O + CO2 =>
5 C2H2O4 + 2 KMnO4 + 6 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 10 CO2
(b)Hf(s) + N2(g) = Hf3N4(s) =>
3(b)Hf(s) + 2 N2(g) = Hf3N4(s)
H2O2 + H2SO4 + Fe(NH4)2(SO4)2 = (NH4)2SO4 + Fe2(SO4)3 + H2O =>
H2O2 + H2SO4 + 2 Fe(NH4)2(SO4)2 = 2(NH4)2SO4 + Fe2(SO4)3 + 2 H2O
FeS + KNO3 + HCl = NO + K2SO4 + FeCl3 + H2O + KCl =>
FeS + 3 KNO3 + 4 HCl = 3 NO + K2SO4 + FeCl3 + 2 H2O + KCl
Pb(C2H3O2)2 + H2CrO4 = PbCrO4 + HC2H3O2 =>
Pb(C2H3O2)2 + H2CrO4 = PbCrO4 + 2 HC2H3O2
(CH3)2CO + NaHSO3 = CH + H2O + NaOH + SO =>
2(CH3)2CO + NaHSO3 = 6 CH + 3 H2O + NaOH + SO
O2 + Mg3N2 = N2 + MgO =>
3 O2 + 2 Mg3N2 = 2 N2 + 6 MgO
C8H6O3 + C2H5NO2 = C10H9NO4 + H2O =>
C8H6O3 + C2H5NO2 = C10H9NO4 + H2O
K3Cr(C2O4)3 + O2 = K2CrO4 + K2CO3 + CO2 =>
4 K3Cr(C2O4)3 + 9 O2 = 4 K2CrO4 + 2 K2CO3 + 22 CO2
Br + K = KBr2 =>
2 Br + K = KBr2
Mn + HBiO3 = Bi3 + MnO4 + H2O =>
15 Mn + 24 HBiO3 = 8 Bi3 + 15 MnO4 + 12 H2O
Fe(s) + HClO4(aq) = Fe(ClO4)3 + H2 =>
2 Fe(s) + 6 HClO4(aq) = 2 Fe(ClO4)3 + 3 H2
Na2Ze + CaSO4 = CaNa2Ze + SO4 =>
Na2Ze + CaSO4 = CaNa2Ze + SO4
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + (NH4)(NO3) =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6(NH4)(NO3)
Na2O2(s) + H2O(l) = NaOH(aq) + NaO2 =>
3 Na2O2(s) + 2 H2O(l) = 4 NaOH(aq) + 2 NaO2
C5H5N + H2O2 = CO2 + H2O + N2 =>
2 C5H5N + 25 H2O2 = 10 CO2 + 30 H2O + N2
CuCO3 + sulfuricacid = CuSO4 + carbondioxide + water =>
CuCO3 + H2SO4 = CuSO4 + CO2 + H2O
Na3PO4(aq) + CaCl2(aq) = NaCl + Ca3(PO4)2 =>
2 Na3PO4(aq) + 3 CaCl2(aq) = 6 NaCl + Ca3(PO4)2
H2O + Ba = BaO + H2 =>
H2O + Ba = BaO + H2
CH3COOH + H = HCOOC2H5 + H2O =>
3 CH3COOH + 4 H = 2 HCOOC2H5 + 2 H2O
(NH4)2SO4 + Cr(NO3)3 = NH4NO3 + Cr2(SO4)3 =>
3(NH4)2SO4 + 2 Cr(NO3)3 = 6 NH4NO3 + Cr2(SO4)3
MgOBeSe = BeOMgSe =>
MgOBeSe = BeOMgSe
CO2 + KOH = H2O + K2CO3 =>
CO2 + 2 KOH = H2O + K2CO3
Ce(NO3)3 + NaOH = Ce(OH)3 + NaNO3 =>
Ce(NO3)3 + 3 NaOH = Ce(OH)3 + 3 NaNO3
Sn + Se + S = SnSeS =>
Sn + Se + S = SnSeS
H{+} + SO4{2-} + ClO2{-} = ClO3{-} + S2O3{-2} + H2O =>
2 H{+} + 2 SO4{2-} + 4 ClO2{-} = 4 ClO3{-} + S2O3{-2} + H2O
C3H5(OH)3(l) + O2(g) = CO2(g) + H2O(l) =>
2 C3H5(OH)3(l) + 7 O2(g) = 6 CO2(g) + 8 H2O(l)
(CuCO3)2*Cu(OH)2(s) = CuO(s) + H2O(l) + CO2(g) =>
(CuCO3)2*Cu(OH)2(s) = 3 CuO(s) + H2O(l) + 2 CO2(g)
F + NaOH = NaF + O + H2O =>
2 F + 2 NaOH = 2 NaF + O + H2O
Li3PO4 + Zn(NO3)2 = Zn3(PO4)2 + LiNO3 =>
2 Li3PO4 + 3 Zn(NO3)2 = Zn3(PO4)2 + 6 LiNO3
Ca + As = Ca5As3 =>
5 Ca + 3 As = Ca5As3
NO2 + ClO2 + H2O = HCl + HNO3 =>
5 NO2 + ClO2 + 3 H2O = HCl + 5 HNO3
Ba(OH)2 + KHC8H4O4 = BaC8H4O4 + K2C8H4O4 + H2O =>
Ba(OH)2 + 2 KHC8H4O4 = BaC8H4O4 + K2C8H4O4 + 2 H2O
C16H9N4Na3O9S2 + H2O2 = CO2 + H2O + Na + N + S =>
2 C16H9N4Na3O9S2 + 55 H2O2 = 32 CO2 + 64 H2O + 6 Na + 8 N + 4 S
Fe2S3 + HCl = SH2 + FeCl3 =>
Fe2S3 + 6 HCl = 3 SH2 + 2 FeCl3
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