| Équations équilibrées la veille | Équations équilibrées le lendemain |
S8 + 4 Cl2 = 4 S2Cl2
Ca3P2(s) + H2O(l) = Ca(OH)2(ac) + PH3(g) =>
Ca3P2(s) + 6 H2O(l) = 3 Ca(OH)2(ac) + 2 PH3(g)
Cu{2+} + Cl{-} = [CuCl4]{2-} =>
Cu{2+} + 4 Cl{-} = [CuCl4]{2-}
C6H5Br + NH3 = C6H5NH2 + HBr =>
C6H5Br + NH3 = C6H5NH2 + HBr
Br2 + KCrO2 + KOH = KBr + K2CrO4 + H2O =>
3 Br2 + 2 KCrO2 + 8 KOH = 6 KBr + 2 K2CrO4 + 4 H2O
NaOH + Ba(NO3)2 = Na(NO3)2 + BaOH =>
NaOH + Ba(NO3)2 = Na(NO3)2 + BaOH
C2H4 + KMnO4 = K2CO3 + MnO2 + H2O =>
C2H4 + 4 KMnO4 = 2 K2CO3 + 4 MnO2 + 2 H2O
Al(OH)3(s) + HClO4(ac) = Al(ClO4)3(ac) + H2O(l) =>
Al(OH)3(s) + 3 HClO4(ac) = Al(ClO4)3(ac) + 3 H2O(l)
NaOH + Ba(NO3)2 = Na(NO3)2 + BaOH =>
NaOH + Ba(NO3)2 = Na(NO3)2 + BaOH
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
P + CuSO4 + H2O = Cu + H3PO4 + H2SO =>
8 P + 5 CuSO4 + 17 H2O = 5 Cu + 8 H3PO4 + 5 H2SO
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
P + CuSO4 + H2O = Cu + H3PO4 + H2SO4 =>
2 P + 5 CuSO4 + 8 H2O = 5 Cu + 2 H3PO4 + 5 H2SO4
Ni{2+} + Cl{-} = [NiCl6]{4-} =>
Ni{2+} + 6 Cl{-} = [NiCl6]{4-}
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
NaI + Br2 + NaOH = Na3H2IO6 + NaBr + H2O =>
NaI + 4 Br2 + 10 NaOH = Na3H2IO6 + 8 NaBr + 4 H2O
AgNO3(aq) + Na2SO4(aq) = Ag2SO4(s) + NaNO3(aq) =>
2 AgNO3(aq) + Na2SO4(aq) = Ag2SO4(s) + 2 NaNO3(aq)
H2SO4 + S = H2O + SO2 =>
2 H2SO4 + S = 2 H2O + 3 SO2
C3H6Br2 + NaOH = NaBr + H2O + C3H4 =>
C3H6Br2 + 2 NaOH = 2 NaBr + 2 H2O + C3H4
CO + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K3SO4 + H2O =>
10 CO + 3 K2Cr2O7 + 11 H2SO4 = 10 CO2 + 3 Cr2(SO4)3 + 2 K3SO4 + 11 H2O
H3BO3 + Al + NaOH = BH3 + NaAlO2 + H20 =>
20 H3BO3 + 60 Al + 60 NaOH = 20 BH3 + 60 NaAlO2 + 3 H20
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
H3BO3 + Al + NaOH = BH3 + NaAlO2 + H2O =>
H3BO3 + 2 Al + 2 NaOH = BH3 + 2 NaAlO2 + H2O
Al(OH)3 + HNO3 = Al(NO3)3 + H2O =>
Al(OH)3 + 3 HNO3 = Al(NO3)3 + 3 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
N2H4(g) + N2O4(g) = H2O(g) + N2(g) =>
2 N2H4(g) + N2O4(g) = 4 H2O(g) + 3 N2(g)
Al + HNO3 = Al(NO3)3 + N2O + H2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 3 N2O + 15 H2O
Cr2O3 + K2CO3 + O2 = K2CrO4 + CO2 =>
2 Cr2O3 + 4 K2CO3 + 3 O2 = 4 K2CrO4 + 4 CO2
Cu + HNO3 + H2SO4 = CuSO4 + NO2 + H2O =>
Cu + 2 HNO3 + H2SO4 = CuSO4 + 2 NO2 + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Al(s) + Cl2(g) = AlCl3(s) =>
2 Al(s) + 3 Cl2(g) = 2 AlCl3(s)
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Pb + HNO3 = Pb(NO3)2 + H2O + NO =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 4 H2O + 2 NO
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
Ag + ZnCl2 = AgCl2 + Zn =>
Ag + ZnCl2 = AgCl2 + Zn
Cu + HNO3 + H2SO4 = CuSO4 + NO2 + H2O =>
Cu + 2 HNO3 + H2SO4 = CuSO4 + 2 NO2 + 2 H2O
AgCl + Zn = Ag + ZnCl2 =>
2 AgCl + Zn = 2 Ag + ZnCl2
CaOH2 + CO2 = CaCO2 + H2O =>
CaOH2 + CO2 = CaCO2 + H2O
CuO2 + H2SO4 = CuSO4 + H2O2 =>
CuO2 + H2SO4 = CuSO4 + H2O2
HNO3 + Ba(OH)2 = H2O + Ba(NO3)2 =>
2 HNO3 + Ba(OH)2 = 2 H2O + Ba(NO3)2
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Mn(NO3)2 + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 Mn(NO3)2 + 5 PbO2 + 6 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 2 H2O
Al + CuCl = AlCl + Cu =>
Al + CuCl = AlCl + Cu
Al + CuCl = AlCl3 + Cu =>
Al + 3 CuCl = AlCl3 + 3 Cu
H3PO4 + NH4OH = H2O + (NH4)3PO4 =>
H3PO4 + 3 NH4OH = 3 H2O + (NH4)3PO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/14/13
Équations équilibrées sur04/13/12
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