Équations équilibrées la veille |
SiO2 + 4 HNO3 = 2 H2O + Si(NO3)4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KMnO4 + NaBr + H2SO4 = Na2SO4 + K2SO4 + MnSO4 + H2O + Br2 =>
2 KMnO4 + 10 NaBr + 8 H2SO4 = 5 Na2SO4 + K2SO4 + 2 MnSO4 + 8 H2O + 5 Br2
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
(NH4)2CO3(aq) + MgSO4(aq) = (NH4)2SO4(aq) + MgCO3(s) =>
(NH4)2CO3(aq) + MgSO4(aq) = (NH4)2SO4(aq) + MgCO3(s)
H3PO4(aq) + Ba(OH)2(s) = H2O(l) + Ba3(PO4)2(aq) =>
2 H3PO4(aq) + 3 Ba(OH)2(s) = 6 H2O(l) + Ba3(PO4)2(aq)
NH3 + H3O = NH4 + H2O =>
NH3 + H3O = NH4 + H2O
C6H4(CH3)2 + KMnO4 + KOH = KOOCC6H4COOK + K2MnO4 + H2O =>
C6H4(CH3)2 + 12 KMnO4 + 14 KOH = KOOCC6H4COOK + 12 K2MnO4 + 10 H2O
Fe(NO3)2 + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + KNO3 =>
3 Fe(NO3)2 + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 6 KNO3
C12H22O11(aq) + H2O(l) = CH3CH2OH(aq) + CO2(g) =>
C12H22O11(aq) + H2O(l) = 4 CH3CH2OH(aq) + 4 CO2(g)
CH3(CH2)2CH3(l) + O2(g) = CO2(g) + H2O(l) =>
2 CH3(CH2)2CH3(l) + 13 O2(g) = 8 CO2(g) + 10 H2O(l)
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NiCl2(aq) + Cu(s) = Ni(s) + CuCl2(s) =>
NiCl2(aq) + Cu(s) = Ni(s) + CuCl2(s)
CaF2 + Na2B4O7 + H2SO4 = NaHSO4 + CaSO4 + H2O + BF3 =>
6 CaF2 + Na2B4O7 + 8 H2SO4 = 2 NaHSO4 + 6 CaSO4 + 7 H2O + 4 BF3
P3 + O2 = P2O3 =>
4 P3 + 9 O2 = 6 P2O3
Zn + N3 = Zn3N2 =>
9 Zn + 2 N3 = 3 Zn3N2
H2O2 + Sn{2+} = OH{-} + Sn{4+} =>
H2O2 + Sn{2+} = 2 OH{-} + Sn{4+}
PH4ClO4 = PCl5 + P2O5 + H2O =>
5 PH4ClO4 = PCl5 + 2 P2O5 + 10 H2O
K2CO3(aq) + Cu(NO3)2(aq) = KNO3 + CuCO3 =>
K2CO3(aq) + Cu(NO3)2(aq) = 2 KNO3 + CuCO3
HgNO3 + FeSO4 = Fe(NO3)3 + Fe2(SO4)3 + Hg =>
3 HgNO3 + 3 FeSO4 = Fe(NO3)3 + Fe2(SO4)3 + 3 Hg
Fe + MgO = Fe2O3 + Mg =>
2 Fe + 3 MgO = Fe2O3 + 3 Mg
Fe{3+} + C2O4{2-} = Fe2(C2O4)3 =>
2 Fe{3+} + 3 C2O4{2-} = Fe2(C2O4)3
C12H23O11 + O2 = CO2 + H2O =>
4 C12H23O11 + 49 O2 = 48 CO2 + 46 H2O
NiSO4 + Br2 + NaOH = Ni(OH)3 + Na2SO4 + NaBr =>
2 NiSO4 + Br2 + 6 NaOH = 2 Ni(OH)3 + 2 Na2SO4 + 2 NaBr
Tc + Cl2 = TcCl4 =>
Tc + 2 Cl2 = TcCl4
Mn(s) + CuSO4(aq) = MnSO4(aq) + Cu(s) =>
Mn(s) + CuSO4(aq) = MnSO4(aq) + Cu(s)
NaOH + Al2(SO4)3 = Al(OH)3 + Na2SO4 =>
6 NaOH + Al2(SO4)3 = 2 Al(OH)3 + 3 Na2SO4
Na + H2 + SO4 = NaHSO4 =>
2 Na + H2 + 2 SO4 = 2 NaHSO4
NiCl2(aq) + Cu(s) = Ni(s) + CuCl2(s) =>
NiCl2(aq) + Cu(s) = Ni(s) + CuCl2(s)
H8C7 + O2 = H2O + CO2 =>
H8C7 + 9 O2 = 4 H2O + 7 CO2
OH{-} + CrO2{-} + Cl2 = CrO4{-} + H2O + Cl{-} =>
4 OH{-} + CrO2{-} + 2 Cl2 = CrO4{-} + 2 H2O + 4 Cl{-}
NO2 + KI + HCl = I2 + N2 + KCl + H2O =>
2 NO2 + 8 KI + 8 HCl = 4 I2 + N2 + 8 KCl + 4 H2O
CS2 + NH3(g) = H2S + NH4SCN =>
CS2 + 2 NH3(g) = H2S + NH4SCN
C6H10O + CH3OH = C6H10(OCH3)2 + H2O =>
C6H10O + 2 CH3OH = C6H10(OCH3)2 + H2O
Cr + Ni2{+} = Cr3{+} + Ni =>
3 Cr + Ni2{+} = Cr3{+} + 2 Ni
Na + FeBr3 = NaBr + Fe =>
3 Na + FeBr3 = 3 NaBr + Fe
Al(NO3)3 + MgBr2 = Mg(NO3)2 + AlBr3 =>
2 Al(NO3)3 + 3 MgBr2 = 3 Mg(NO3)2 + 2 AlBr3
NaHCO3 + H3CCOOH = H3CCOONa + H2O + CO2 =>
NaHCO3 + H3CCOOH = H3CCOONa + H2O + CO2
NaCl + H2O + KNO3 = KClO3 + NaNO3 + H2 =>
NaCl + 3 H2O + KNO3 = KClO3 + NaNO3 + 3 H2
Y(NO3)3*6H2O + Fe(NO3)3*9H2O + C6H8O7 = CO2 + H2O + N2 + Y3Fe5O1 =>
27 Y(NO3)3*6H2O + 45 Fe(NO3)3*9H2O + 71 C6H8O7 = 426 CO2 + 851 H2O + 108 N2 + 9 Y3Fe5O1
Co + Hg{2+} = Co{2+} + Hg =>
Co + Hg{2+} = Co{2+} + Hg
C3H8O(aq) + Na2Cr2O7(aq) + H2SO4(aq) = C3H6O2(aq) + Cr2(SO4)3(aq) + Na2SO4(aq) + H2O(l) =>
3 C3H8O(aq) + 2 Na2Cr2O7(aq) + 8 H2SO4(aq) = 3 C3H6O2(aq) + 2 Cr2(SO4)3(aq) + 2 Na2SO4(aq) + 11 H2O(l)
CHCl3 + AgNO3 = AgCl + CH(NO3)3 =>
CHCl3 + 3 AgNO3 = 3 AgCl + CH(NO3)3
H3BO3(aq) = H4B6O11(aq) + H2O(l) =>
6 H3BO3(aq) = H4B6O11(aq) + 7 H2O(l)
SnCl4(aq) + Na2S(aq) = SnS2(ppt) + NaCl(aq) =>
SnCl4(aq) + 2 Na2S(aq) = SnS2(ppt) + 4 NaCl(aq)
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
CaCl2 + KH2PO4 = Ca3(PO4)2 + KCl + HCl =>
3 CaCl2 + 2 KH2PO4 = Ca3(PO4)2 + 2 KCl + 4 HCl
Sb + I = Sb3I =>
3 Sb + I = Sb3I
ClF5 + N2H4 = HF + N2 + Cl2 =>
4 ClF5 + 5 N2H4 = 20 HF + 5 N2 + 2 Cl2
CoCl2 + Br2 + NaOH = CoOOH + NaCl + NaBr + H2O =>
2 CoCl2 + Br2 + 6 NaOH = 2 CoOOH + 4 NaCl + 2 NaBr + 2 H2O
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