| Équations équilibrées la veille |
HClKOH = KClH2O
S8 + Br2 = SBr2 =>
S8 + 8 Br2 = 8 SBr2
P4 + NO3{-} + H2O = PO4{3-} + NO + H{+} =>
3 P4 + 20 NO3{-} + 8 H2O = 12 PO4{3-} + 20 NO + 16 H{+}
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Ca + AgNO3 = Ca(NO3)2 + Ag =>
Ca + 2 AgNO3 = Ca(NO3)2 + 2 Ag
Cu + AgNO4 = Cu2NO4 + Ag =>
2 Cu + AgNO4 = Cu2NO4 + Ag
HC2H3O2(aq) + LiHSO3(aq) = LiC2H3O2 + H2SO3 =>
HC2H3O2(aq) + LiHSO3(aq) = LiC2H3O2 + H2SO3
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
PdO2 = PdO + O2 =>
2 PdO2 = 2 PdO + O2
Na(HCO3) = Na2(CO3) + CO2 + H2O =>
2 Na(HCO3) = Na2(CO3) + CO2 + H2O
C6H6O + FeCl3 = C6H5Cl + Fe(OH)3 =>
3 C6H6O + FeCl3 = 3 C6H5Cl + Fe(OH)3
CuSO4 + KBr = CuBr2 + K2SO4 =>
CuSO4 + 2 KBr = CuBr2 + K2SO4
Al + ZnS = AlS + Zn =>
Al + ZnS = AlS + Zn
Ca3P2 = Ca + P4 =>
2 Ca3P2 = 6 Ca + P4
K + P2 = K3P =>
6 K + P2 = 2 K3P
Cr2O3 + Cl2 + KOH = K2Cr2O7 + KCl + H2O =>
Cr2O3 + 3 Cl2 + 8 KOH = K2Cr2O7 + 6 KCl + 4 H2O
Li + P + O2 = Li3PO4 =>
3 Li + P + 2 O2 = Li3PO4
CO + HBr = C2H3Br3 + O2 =>
2 CO + 3 HBr = C2H3Br3 + O2
Na2CO3 + Al + H2O = NaAlO2 + H2 + CO2 =>
Na2CO3 + 2 Al + 3 H2O = 2 NaAlO2 + 3 H2 + CO2
K2Cr2O7(aq) + C6H8O6(s) = Cr2O3(aq) + K2O(aq) + CO2(g) + H2O(l) =>
10 K2Cr2O7(aq) + 3 C6H8O6(s) = 10 Cr2O3(aq) + 10 K2O(aq) + 18 CO2(g) + 12 H2O(l)
CrCl3 + NH3 = Cr(NH3)3Cl3 =>
CrCl3 + 3 NH3 = Cr(NH3)3Cl3
NaMnO4 + NaNO2 + HNO3 = NaNO3 + Mn(NO3)3 + H2O =>
NaMnO4 + 2 NaNO2 + 4 HNO3 = 3 NaNO3 + Mn(NO3)3 + 2 H2O
C9H8O4 + NaOH = H2O + Na + C9H7O4 =>
C9H8O4 + NaOH = H2O + Na + C9H7O4
ClO + H2O = HClO2 + HCl =>
4 ClO + 2 H2O = 3 HClO2 + HCl
Mn2O7 + HCl = MnCl2 + Cl2 + H2O =>
Mn2O7 + 14 HCl = 2 MnCl2 + 5 Cl2 + 7 H2O
AsH + AgNO3 + H2O = H3AsO3 + HNO3 + Ag =>
AsH + 4 AgNO3 + 3 H2O = H3AsO3 + 4 HNO3 + 4 Ag
H3PO4 + Fe(NO3)3 = HNO3 + FePO4 =>
H3PO4 + Fe(NO3)3 = 3 HNO3 + FePO4
PCl5(s) + H2O = POCl3(l) + HCl(aq) =>
PCl5(s) + H2O = POCl3(l) + 2 HCl(aq)
Na + ZnCl2 = NaCl + Zn =>
2 Na + ZnCl2 = 2 NaCl + Zn
BaSO3 + H2SO4 = BaSO4 + H2O + SO2 =>
BaSO3 + H2SO4 = BaSO4 + H2O + SO2
H2 + NiCl2 = HCl + Ni =>
H2 + NiCl2 = 2 HCl + Ni
Cu(OH)2 + NO2 = Cu(NO3)2 + H2 =>
Cu(OH)2 + 2 NO2 = Cu(NO3)2 + H2
Be + As = Be3As2 =>
3 Be + 2 As = Be3As2
Cl + CaBr2 = ClBr + Ca =>
2 Cl + CaBr2 = 2 ClBr + Ca
CH3COOH(aq) + LiOH(aq) = H2O + LiCH3COO =>
CH3COOH(aq) + LiOH(aq) = H2O + LiCH3COO
Cr + P = CrP =>
Cr + P = CrP
C2H5COOH + CaO = (C2H5COO)2Ca + H2O =>
2 C2H5COOH + CaO = (C2H5COO)2Ca + H2O
(NH4)2S + HgBr2 = (NH4)Br + HgS =>
(NH4)2S + HgBr2 = 2(NH4)Br + HgS
(CH3)3N + HNO3 = NO3 + H(CH3)3N =>
(CH3)3N + HNO3 = NO3 + H(CH3)3N
BaCl2(Ac) + Na2SO4(Ac) = BaSO4(s) + NaCl(Ac) =>
BaCl2(Ac) + Na2SO4(Ac) = BaSO4(s) + 2 NaCl(Ac)
Hg + OH = HgO + H2O =>
Hg + 2 OH = HgO + H2O
Al + Cu{+} = Al3{+} + Cu =>
3 Al + Cu{+} = Al3{+} + Cu
H{+} + CrO7{-2} + C2H5OH = Cr{+3} + C2H4O + H2O =>
10 H{+} + 2 CrO7{-2} + 9 C2H5OH = 2 Cr{+3} + 9 C2H4O + 14 H2O
C3H7COOH + NaOH = C3H7COONa + H2O =>
C3H7COOH + NaOH = C3H7COONa + H2O
H2O2 + HI = I2 + H2O =>
H2O2 + 2 HI = I2 + 2 H2O
Fe + SnO = Fe2O3 + Sn =>
2 Fe + 3 SnO = Fe2O3 + 3 Sn
Br2 + Ba(OH)2 = Ba(BrO4)2 + BaBr2 + H2O =>
8 Br2 + 8 Ba(OH)2 = Ba(BrO4)2 + 7 BaBr2 + 8 H2O
Pb(NO3)2 + Na2(SO4) = Pb(SO4) + Na2(NO3)2 =>
Pb(NO3)2 + Na2(SO4) = Pb(SO4) + Na2(NO3)2
F3CCOONa + Br3CCOOH = F3CCOONaH{+} + Br3CCOO{-} =>
F3CCOONa + Br3CCOOH = F3CCOONaH{+} + Br3CCOO{-}
P4S10 + O = P4O6 + SO2 =>
P4S10 + 26 O = P4O6 + 10 SO2
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Équations équilibrées sur10/23/24
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