Équations équilibrées la veille |
CH3COOH(aq)NaOH(aq) = CH3COONa(aq)H2O(l)
KMnO4 + Na2S + HCl = MnCl2 + Na2S4O + NaCl + KCl + H2O =>
8 KMnO4 + 20 Na2S + 54 HCl = 8 MnCl2 + 5 Na2S4O + 30 NaCl + 8 KCl + 27 H2O
HClO4 + Pb(NO3)3 = Pb(ClO4)3 + HNO3 =>
3 HClO4 + Pb(NO3)3 = Pb(ClO4)3 + 3 HNO3
Fe(SCN)3 + H2O = Fe(SCN)3H2O =>
Fe(SCN)3 + H2O = Fe(SCN)3H2O
Fe + K2O = K2 + FeO =>
Fe + K2O = K2 + FeO
NiF3 + Pb(Cr2O7)2 = PbF4 + Ni2(Cr2O7)3 =>
4 NiF3 + 3 Pb(Cr2O7)2 = 3 PbF4 + 2 Ni2(Cr2O7)3
Na + H{2+} = Na{+} + H2 =>
4 Na + 2 H{2+} = 4 Na{+} + H2
NaC5H5 + HfCl4 = (C5H5)2HfCl2 + NaCl =>
2 NaC5H5 + HfCl4 = (C5H5)2HfCl2 + 2 NaCl
ZnO + Na + H2O = NaOH + Zn =>
ZnO + 2 Na + H2O = 2 NaOH + Zn
V10O28{6-} + H2SO3 + H{+} = VO{+2} + H2SO4{-} + H2O =>
V10O28{6-} + 10 H2SO3 + 16 H{+} = 10 VO{+2} + 10 H2SO4{-} + 8 H2O
N2H7Cl + CaCl2 = N2H7Cl3 + Ca =>
N2H7Cl + CaCl2 = N2H7Cl3 + Ca
Mn(NO3)2 + KOH = MnOH + K(NO3)2 =>
Mn(NO3)2 + KOH = MnOH + K(NO3)2
Ca3O8P2 + H2SO4 = CaSO4 + H3PO4 =>
Ca3O8P2 + 3 H2SO4 = 3 CaSO4 + 2 H3PO4
MeOH + HKO = MeKO + HOH =>
MeOH + HKO = MeKO + HOH
KMnO4 + H2SO4 + BaSO3 = MnSO4 + K2SO4 + H2O + BaSO4 =>
2 KMnO4 + 3 H2SO4 + 5 BaSO3 = 2 MnSO4 + K2SO4 + 3 H2O + 5 BaSO4
CaCl2BaS = CaSBaCl2 =>
CaCl2BaS = CaSBaCl2
Fe + S = Fe2S3 =>
2 Fe + 3 S = Fe2S3
MnO2 + NaBiO3 + HNO3 = HMnO4 + NaNO3 + Bi(NO3)3 + H2O =>
2 MnO2 + 3 NaBiO3 + 12 HNO3 = 2 HMnO4 + 3 NaNO3 + 3 Bi(NO3)3 + 5 H2O
Cu{2+} + Pb = Cu + Pb{+) =>
Cu{2+} + 2 Pb = Cu + 2 Pb{+)
Al(OH)(NO3)2 + Al(OH)3 = Al(OH)2NO3 =>
Al(OH)(NO3)2 + Al(OH)3 = 2 Al(OH)2NO3
Co(NO3)2 + Na2SO4 = CoSO4 + Na(NO3) =>
Co(NO3)2 + Na2SO4 = CoSO4 + 2 Na(NO3)
N2O4 + NaOH = NaNO3 + NO + H2O =>
3 N2O4 + 4 NaOH = 4 NaNO3 + 2 NO + 2 H2O
NH4Br(s) + NaOH(aq) = NH3(g) + H2O(l) + NaBr(s) =>
NH4Br(s) + NaOH(aq) = NH3(g) + H2O(l) + NaBr(s)
Ca(OH)2 + Re2O7 = Ca(ReO4)2 + H2O =>
Ca(OH)2 + Re2O7 = Ca(ReO4)2 + H2O
Fe(OH)3 = (Fe)2(O)3 + (H)2O =>
2 Fe(OH)3 = (Fe)2(O)3 + 3(H)2O
K2CrO4(aq) + Na2SO3(aq) + HCl(aq) = KCl(aq) + Na2SO4(aq) + CrCl3(s) + H2O(aq) =>
2 K2CrO4(aq) + 3 Na2SO3(aq) + 10 HCl(aq) = 4 KCl(aq) + 3 Na2SO4(aq) + 2 CrCl3(s) + 5 H2O(aq)
Al2(SO4)3 + KHCO3 = Al(HCO3)3 + K2SO4 =>
Al2(SO4)3 + 6 KHCO3 = 2 Al(HCO3)3 + 3 K2SO4
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
(e)Na2B4O7(s) + H2SO4(aq) + H2O(l) = H3BO3(s) + Na2SO4(aq) =>
(e)Na2B4O7(s) + H2SO4(aq) + 5 H2O(l) = 4 H3BO3(s) + Na2SO4(aq)
ClO3{-} + As2S3 + OH{-} = AsO43{-} + SO42{-} + Cl{-} + H2O =>
419 ClO3{-} + 6 As2S3 + 30 OH{-} = 12 AsO43{-} + 18 SO42{-} + 419 Cl{-} + 15 H2O
CrO4{-} + e + H{+} = Cr{3+} + H2O =>
CrO4{-} + 4e + 8 H{+} = Cr{3+} + 4 H2O
NaBrO3 + NaOH + Na2S2O3 = NaBr + Na2SO4 + H2O =>
4 NaBrO3 + 6 NaOH + 3 Na2S2O3 = 4 NaBr + 6 Na2SO4 + 3 H2O
H2O + N2 = O + NH3 =>
3 H2O + N2 = 3 O + 2 NH3
Ca + Pb(NO3)2 = Pb + Ca(NO3)2 =>
Ca + Pb(NO3)2 = Pb + Ca(NO3)2
Cr3{+} + BiO3{-} + H{+} = Cr2O72{-} + Bi3{+} + H2O =>
4 Cr3{+} + 183 BiO3{-} + 234 H{+} = 6 Cr2O72{-} + 61 Bi3{+} + 117 H2O
MnO2 + NaBr + H2SO4 = NaHSO4 + MnSO4 + H2O + Br =>
MnO2 + 2 NaBr + 3 H2SO4 = 2 NaHSO4 + MnSO4 + 2 H2O + 2 Br
Mg3N2 + AlCl3 = MgCl + AlN2 =>
Mg3N2 + AlCl3 = 3 MgCl + AlN2
FeCl2 + Na(NO3) + HCl = FeCl3 + NaCl + H2O + NO =>
3 FeCl2 + Na(NO3) + 4 HCl = 3 FeCl3 + NaCl + 2 H2O + NO
KAlO2 + H2SO4 = KAl(SO4)2 + H2O =>
KAlO2 + 2 H2SO4 = KAl(SO4)2 + 2 H2O
CoCl2 + NH4OH = [Co(NH3)]Cl2 + H2O =>
CoCl2 + NH4OH = [Co(NH3)]Cl2 + H2O
NaClO3 + KI + HCl = KCl + I2 + H2O + NaCl =>
NaClO3 + 6 KI + 6 HCl = 6 KCl + 3 I2 + 3 H2O + NaCl
SiBr4 + N2F4 = SiF4 + N2 + Br2 =>
SiBr4 + N2F4 = SiF4 + N2 + 2 Br2
HNO3 + Na2HPO4 + (NH4)2MoO4 = (NH4)3PO4*12MoO3 + HN4NO3 + H2O + NaNO3 =>
115 HNO3 + 5 Na2HPO4 + 60(NH4)2MoO4 = 5(NH4)3PO4*12MoO3 + 42 HN4NO3 + 249 H2O + 10 NaNO3
HNO3 + Na2HPO4 + (NH4)MoO4 = (NH4)3[PMo12O40] + NH4NO3 + NaNO3 + H2O =>
16 HNO3 + 2 Na2HPO4 + 24(NH4)MoO4 = 2(NH4)3[PMo12O40] + 15 NH4NO3 + 4 NaNO3 + 15 H2O
Cl2 + Ca(OH)2 = CaCl2 + H2O + Ca(OCl)2 =>
2 Cl2 + 2 Ca(OH)2 = CaCl2 + 2 H2O + Ca(OCl)2
C3H6OS + H2O = H2SO4 + H2S + C3H6O =>
4 C3H6OS + 4 H2O = H2SO4 + 3 H2S + 4 C3H6O
K2Cr2O7 + HCl + Na2SO3 = CrCl3 + KCl + Na2SO4 + H2O =>
K2Cr2O7 + 8 HCl + 3 Na2SO3 = 2 CrCl3 + 2 KCl + 3 Na2SO4 + 4 H2O
C = C2 =>
2 C = C2
Cd(OH)2 + NH4Cl = [Cd(NH3)4]Cl2 + HCl + H2O =>
Cd(OH)2 + 4 NH4Cl = [Cd(NH3)4]Cl2 + 2 HCl + 2 H2O
Cu + HCl = CuCl + CuH =>
2 Cu + HCl = CuCl + CuH
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