Équations équilibrées la veille |
4 H3PO3 = 3 H3PO4 + PH3
Al + BeF2 = AlF3 + Be =>
2 Al + 3 BeF2 = 2 AlF3 + 3 Be
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Hg2 + KOH = Hg(OH)2 + K2 =>
Hg2 + 4 KOH = 2 Hg(OH)2 + 2 K2
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
Na2S2O5 + H2SO4 = Na2SO4 + SO2 + H2O =>
Na2S2O5 + H2SO4 = Na2SO4 + 2 SO2 + H2O
(NH4)2U2O7 + H2 = UO2 + NH4 + H2O =>
(NH4)2U2O7 + 3 H2 = 2 UO2 + 2 NH4 + 3 H2O
Ba(NO3)2 + H2O = Ba(OH)2 + NO3 + H2 =>
Ba(NO3)2 + 2 H2O = Ba(OH)2 + 2 NO3 + H2
Cu2Se + H2SO4 = CuSeO3 + SO2 + H2O + CuSO4 =>
Cu2Se + 5 H2SO4 = CuSeO3 + 4 SO2 + 5 H2O + CuSO4
CaBr2 + Hg2(NO3)2 = Ca(NO3)2 + Hg2Br2 =>
CaBr2 + Hg2(NO3)2 = Ca(NO3)2 + Hg2Br2
V2O5 + FeO = VO + Fe2O3 =>
V2O5 + 6 FeO = 2 VO + 3 Fe2O3
BaOH2 + Sn = SnOH2 + Ba =>
BaOH2 + Sn = SnOH2 + Ba
Hg2Cl2 = Hg + HgCl2 =>
Hg2Cl2 = Hg + HgCl2
C9H20S(l) + O2(g) = CO2(g) + H2O(g) + SO2(g) =>
C9H20S(l) + 15 O2(g) = 9 CO2(g) + 10 H2O(g) + SO2(g)
MnO4 + C2H2O4 = H2O + Mn2 + CO2 =>
2 MnO4 + 8 C2H2O4 = 8 H2O + Mn2 + 16 CO2
Al2O3 + Cl2O7 = Al7Cl3 + O2 =>
7 Al2O3 + 3 Cl2O7 = 2 Al7Cl3 + 21 O2
Sr + HC2H3O2 = Sr(C2H3O2)2 + H =>
Sr + 2 HC2H3O2 = Sr(C2H3O2)2 + 2 H
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
CrBr3 + NaOH = Cr(OH)3 + NaBr =>
CrBr3 + 3 NaOH = Cr(OH)3 + 3 NaBr
CH5N + OH = H2O + C + N =>
CH5N + 5 OH = 5 H2O + C + N
Na + ClO3 = NaCl + O2 =>
2 Na + 2 ClO3 = 2 NaCl + 3 O2
Mg3(PO4)2 + NaF = MgF2 + Na3PO4 =>
Mg3(PO4)2 + 6 NaF = 3 MgF2 + 2 Na3PO4
CO2 + H2S = C6H12O6 + H2O + S8 =>
12 CO2 + 24 H2S = 2 C6H12O6 + 12 H2O + 3 S8
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
(CH3CH2)2NH + H2O = (CH3CH2)2NH3O =>
(CH3CH2)2NH + H2O = (CH3CH2)2NH3O
Mg(NO3)2 + Na2CO3 = Mg(CO3) + NaNO3 =>
Mg(NO3)2 + Na2CO3 = Mg(CO3) + 2 NaNO3
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
CH3COOH + CN = HCN + CH3COO =>
CH3COOH + CN = HCN + CH3COO
As2O3 + HNO3 = H2AsO4 + H2O + NO2 =>
As2O3 + 6 HNO3 = 2 H2AsO4 + H2O + 6 NO2
Na2SO4 + NaOH = Na + SO4(OH) =>
Na2SO4 + NaOH = 3 Na + SO4(OH)
K2Cr2O7(aq) + KI(aq) + H2SO4(aq) = I2(s) + Cr2(SO4)3(aq) + K2SO4(aq) + H2O(l) =>
K2Cr2O7(aq) + 6 KI(aq) + 7 H2SO4(aq) = 3 I2(s) + Cr2(SO4)3(aq) + 4 K2SO4(aq) + 7 H2O(l)
HCOOHC3H7OH = HCOOC3H7H2O =>
HCOOHC3H7OH = HCOOC3H7H2O
Mn(OH)2NaOH = Mn(OH)Na(OH)2 =>
Mn(OH)2NaOH = Mn(OH)Na(OH)2
HI + KMnO4 + H2SO4 = I + MnSO4 + K2SO4 + H2O =>
10 HI + 2 KMnO4 + 3 H2SO4 = 10 I + 2 MnSO4 + K2SO4 + 8 H2O
BaSO4 = Ba + SO4 =>
BaSO4 = Ba + SO4
Cu(OH)2 + H2PO4 = Cu(HPO4)2 + H2O =>
Cu(OH)2 + 2 H2PO4 = Cu(HPO4)2 + 2 H2O
Al + P = AlP =>
Al + P = AlP
NH3OHCl + Zn + NaOH = Na2Zn(OH)4 + NH3 + NaCl =>
NH3OHCl + Zn + 3 NaOH = Na2Zn(OH)4 + NH3 + NaCl
Ca(OH)2 + FeCl2 = CaCl2 + Fe(OH)2 =>
Ca(OH)2 + FeCl2 = CaCl2 + Fe(OH)2
Ca(Al(OH)4)2 + H2SO4 = CaSO4 + Al(HSO4)3 + H2O =>
Ca(Al(OH)4)2 + 7 H2SO4 = CaSO4 + 2 Al(HSO4)3 + 8 H2O
K2Cr2O7 + NaNO2 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + NaNO3 =>
K2Cr2O7 + 3 NaNO2 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 4 H2O + 3 NaNO3
NH3 + NaClO4 = HNO3 + H2O + NaClO3 =>
NH3 + 4 NaClO4 = HNO3 + H2O + 4 NaClO3
CuSO4 + KOH = CuSO5KH =>
CuSO4 + KOH = CuSO5KH
Ca(ClO)2 + H2O = HClO + Ca + OH =>
Ca(ClO)2 + 2 H2O = 2 HClO + Ca + 2 OH
GaPO4 + NaF = GaF3 + Na3PO4 =>
GaPO4 + 3 NaF = GaF3 + Na3PO4
Al2 + (H2SO4)3 = AlSO4 + H2 =>
3 Al2 + 2(H2SO4)3 = 6 AlSO4 + 6 H2
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
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