Équations équilibrées la veille |
Zn + 2 HI = H2 + ZnI2*
H2SeO4 + Zn = ZnSeO4 + H2 =>
H2SeO4 + Zn = ZnSeO4 + H2
H2SO3 + NaOH = Na2SO3 + H2O =>
H2SO3 + 2 NaOH = Na2SO3 + 2 H2O
KMnO4 + Ni = NiO + MnO2 + K2O =>
2 KMnO4 + 3 Ni = 3 NiO + 2 MnO2 + K2O
Pd + HNO3 = PdO2 + NO2 + H2O =>
Pd + 4 HNO3 = PdO2 + 4 NO2 + 2 H2O
NaClO3 + HCl = NaOH + Cl2 + O2 =>
NaClO3 + HCl = NaOH + Cl2 + O2
Zn + HI = H2 + ZnI2 =>
Zn + 2 HI = H2 + ZnI2
K[Cr(OH)4] + H2SO4 = K2Cr2O7 + H2O + SO2 =>
2 K[Cr(OH)4] + 3 H2SO4 = K2Cr2O7 + 7 H2O + 3 SO2
HCI + V(OH)5 = V(CI)5 + H2O =>
5 HCI + V(OH)5 = V(CI)5 + 5 H2O
Pb + H2O2 = PbO + H2 =>
2 Pb + H2O2 = 2 PbO + H2
Fe(OH)2 + Mg = Fe(OH)2Mg =>
Fe(OH)2 + Mg = Fe(OH)2Mg
K2O2 + H2O = KOH + O2 =>
2 K2O2 + 2 H2O = 4 KOH + O2
AlPO4 + KOH = K3PO4 + Al(OH)3 =>
AlPO4 + 3 KOH = K3PO4 + Al(OH)3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
KMn + O4 = KMnO4 =>
KMn + O4 = KMnO4
HNO3 + C2H6O + K2Cr2O7 = KNO3 + C2H4O + H2O + Cr(NO3)3 =>
8 HNO3 + 3 C2H6O + K2Cr2O7 = 2 KNO3 + 3 C2H4O + 7 H2O + 2 Cr(NO3)3
Al2O3 + H3Po4 = AlPo4 + H2O =>
Al2O3 + 2 H3Po4 = 2 AlPo4 + 3 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaOH(aq) + BaCl2(aq) = Ba(OH)2(aq) + NaCl(aq) =>
2 NaOH(aq) + BaCl2(aq) = Ba(OH)2(aq) + 2 NaCl(aq)
Pb + H2O2 = Pb(OH)2 =>
Pb + H2O2 = Pb(OH)2
LiBr + P = Li3P + Br2 =>
6 LiBr + 2 P = 2 Li3P + 3 Br2
C4H8S + O2 = CO2 + H2O + SO1 =>
2 C4H8S + 13 O2 = 8 CO2 + 8 H2O + 2 SO1
Cu(NO3)2 + NH4OH = (NH4)2[Cu(NH3)4] + HNO3 + H2O =>
2 Cu(NO3)2 + 13 NH4OH = 2(NH4)2[Cu(NH3)4] + 5 HNO3 + 10 H2O
CrO4 + H = Cr2O7 + H2O =>
2 CrO4 + 2 H = Cr2O7 + H2O
K2Cr2O7 + Na2S + H2O = Cr(OH)3 + Na2SO4 + KOH =>
4 K2Cr2O7 + 3 Na2S + 16 H2O = 8 Cr(OH)3 + 3 Na2SO4 + 8 KOH
Pb(NO3)2(aq) + Zn(s) = Pb + Zn(NO3)2 =>
Pb(NO3)2(aq) + Zn(s) = Pb + Zn(NO3)2
K3N + AlCl3 = KCl + AlN =>
K3N + AlCl3 = 3 KCl + AlN
Zn(s) + CUSO4(aq) = ZnSO4(aq) + CU(s) =>
Zn(s) + CUSO4(aq) = ZnSO4(aq) + CU(s)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
BaSO4 + NaKCO3 = NaKSO4 + BaCO3 =>
BaSO4 + NaKCO3 = NaKSO4 + BaCO3
K2Cr2O7 + Na2S + H2O = Cr2O3 + S + KOH + NaOH =>
K2Cr2O7 + 3 Na2S + 4 H2O = Cr2O3 + 3 S + 2 KOH + 6 NaOH
Al2O3 + P2O5 = Al(PO4) =>
Al2O3 + P2O5 = 2 Al(PO4)
Cr2O7{2-} + Fe{2+} + H{+} = Cr{3+} + Fe{3+} + H2O =>
Cr2O7{2-} + 6 Fe{2+} + 14 H{+} = 2 Cr{3+} + 6 Fe{3+} + 7 H2O
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
Na2Cr2O7 + KOH = Na2CrO4 + K2CrO4 + H2O =>
Na2Cr2O7 + 2 KOH = Na2CrO4 + K2CrO4 + H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
K2Cr2O7 + Na2S + H2O = S + Na3[Cr(OH)6] + KOH =>
K2Cr2O7 + 3 Na2S + 7 H2O = 3 S + 2 Na3[Cr(OH)6] + 2 KOH
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
AgBr + H3PO4 = Ag3PO4 + HBr =>
3 AgBr + H3PO4 = Ag3PO4 + 3 HBr
Ca(s) + H2O(l) = Ca(OH)2(aq) + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(aq) + H2(g)
K2MnF6 + SbF5 = K5SbF6 + MnF3 + F2 =>
10 K2MnF6 + 4 SbF5 = 4 K5SbF6 + 10 MnF3 + 13 F2
Al(OH)3 + P2O5 = Al3(PO4)3 + H2O =>
6 Al(OH)3 + 3 P2O5 = 2 Al3(PO4)3 + 9 H2O
Ni{2+} + Br{-} = NiBr2 =>
Ni{2+} + 2 Br{-} = NiBr2
Na + S8 = Na2S =>
16 Na + S8 = 8 Na2S
K2ClO = K2Cl + O2 =>
2 K2ClO = 2 K2Cl + O2
K2Cr2O7 + Na2S + H2O = KCrO2 + NaOH + S =>
K2Cr2O7 + 3 Na2S + 3 H2O = 2 KCrO2 + 6 NaOH + 3 S
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