Équations équilibrées la veille |
HCN + NaOH = NaCN + H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Ag + ZnO = Zn + Ag2O =>
2 Ag + ZnO = Zn + Ag2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al(OH)3 + NaOH = Na[Al(OH)4] =>
Al(OH)3 + NaOH = Na[Al(OH)4]
PbCl2 + H2O = HCl + Pb(OH)2 =>
PbCl2 + 2 H2O = 2 HCl + Pb(OH)2
Mg(s)O2(g) = MgO2(s) =>
Mg(s)O2(g) = MgO2(s)
Mg(OH)2(ac) + HCl = MgCl2 + H2O =>
Mg(OH)2(ac) + 2 HCl = MgCl2 + 2 H2O
MnO2 + NaI + H2SO4 = I2 + MnSO4 + Na2SO4 + H2O =>
MnO2 + 2 NaI + 2 H2SO4 = I2 + MnSO4 + Na2SO4 + 2 H2O
PbO + NaOH + Cl2 = Pb(OH)2 + NaCl + O2 =>
2 PbO + 4 NaOH + 2 Cl2 = 2 Pb(OH)2 + 4 NaCl + O2
Na + Cl = NaCl =>
Na + Cl = NaCl
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
Sr(NO3)2 + HCl = SrCl2 + HNO3 =>
Sr(NO3)2 + 2 HCl = SrCl2 + 2 HNO3
C5H5 + Fe = Fe(C5H5)2 =>
2 C5H5 + Fe = Fe(C5H5)2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
K + MgO = KMg + O =>
K + MgO = KMg + O
K2Cr2O7 + H2SO4 + C2H6O = C2H4O2 + Cr2(SO4)3 + H2O + K2SO4 =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H6O = 3 C2H4O2 + 2 Cr2(SO4)3 + 11 H2O + 2 K2SO4
C3H6O2 + O2 = CO2(g) + H2O(g) =>
2 C3H6O2 + 7 O2 = 6 CO2(g) + 6 H2O(g)
NaNH3 = Na(NH3) =>
NaNH3 = Na(NH3)
Cu20 + O2 = CuO =>
Cu20 + 10 O2 = 20 CuO
Zn(C2H3O2)2 + AgNO3 = Zn(NO3)2 + AgC2H3O2 =>
Zn(C2H3O2)2 + 2 AgNO3 = Zn(NO3)2 + 2 AgC2H3O2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mg(OH)2 + H2O = MgH2 + OH =>
Mg(OH)2 + 2 H2O = MgH2 + 4 OH
MgCl2Ba(OH)2 = Mg(OH)2BaCl2 =>
MgCl2Ba(OH)2 = Mg(OH)2BaCl2
H2O + C6H10O5 = CH4 + CO2 =>
H2O + C6H10O5 = 3 CH4 + 3 CO2
Ca(NO3)2 + K2CO3 = CaCO3 + KNO3 =>
Ca(NO3)2 + K2CO3 = CaCO3 + 2 KNO3
SZn = Zn2S2 =>
2 SZn = Zn2S2
NaO + HCl = NaCl + NaClO + H2O =>
2 NaO + 2 HCl = NaCl + NaClO + H2O
Ba(OH)2 + P2O5 = Ba3(PO4)2 + H2O =>
3 Ba(OH)2 + P2O5 = Ba3(PO4)2 + 3 H2O
P4O10 + CaO = Ca3[PO4]2 =>
P4O10 + 6 CaO = 2 Ca3[PO4]2
Zn(N03)2 + Pb = Pb(N03)2 + Zn =>
Zn(N03)2 + Pb = Pb(N03)2 + Zn
CaNO3 + AlPO4 = Ca3PO4 + Al(NO3)3 =>
3 CaNO3 + AlPO4 = Ca3PO4 + Al(NO3)3
AgCl(aq) + Cu(s) = Ag(s) + CuCl2(aq) =>
2 AgCl(aq) + Cu(s) = 2 Ag(s) + CuCl2(aq)
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
C6H10Br + Mg = C6H10MgBr =>
C6H10Br + Mg = C6H10MgBr
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C6H6S2 + O2 = CO + H2O + SO3 =>
2 C6H6S2 + 15 O2 = 12 CO + 6 H2O + 4 SO3
C2H8 + O2 = CO2 + H2O =>
C2H8 + 4 O2 = 2 CO2 + 4 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
K2[Zn(OH)4] = Zn(OH)2K2(OH)2 =>
K2[Zn(OH)4] = Zn(OH)2K2(OH)2
H2SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
Pb(CH3COO)2 + K2CO3 + H2O = Pb(OH)2 + CO2 + CH3COOK =>
Pb(CH3COO)2 + K2CO3 + H2O = Pb(OH)2 + CO2 + 2 CH3COOK
SO2 + BaCl2 = BaO + SOCl2 =>
SO2 + BaCl2 = BaO + SOCl2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ba(OH)2 + SrCO3 = Sr(OH)2 + BaCO3 =>
Ba(OH)2 + SrCO3 = Sr(OH)2 + BaCO3
NaNo3 + Cu = CuNo3 + Na =>
NaNo3 + Cu = CuNo3 + Na
SnCl2 + I2 = Cl2 + SnI4 =>
SnCl2 + 2 I2 = Cl2 + SnI4
K2SO3 + K2SeO3 + H2SO4 = K2SO4 + Se + H2O =>
2 K2SO3 + K2SeO3 + H2SO4 = 3 K2SO4 + Se + H2O
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