| Équations équilibrées la veille |
Pb(NO3)2 + K2CrO4 = PbO4(s) + K2(NO3)2 + Cr
NiCl2(aq) + (NH4)2S(aq) = (NH4)Cl(aq) + NiS(aq) =>
NiCl2(aq) + (NH4)2S(aq) = 2(NH4)Cl(aq) + NiS(aq)
Al + HO = Al(OH)3 =>
Al + 3 HO = Al(OH)3
NaClNa2SO4 = Na2ClNaSO4 =>
NaClNa2SO4 = Na2ClNaSO4
HBr + Cl2 = Br2 + HCl =>
2 HBr + Cl2 = Br2 + 2 HCl
C4H7NO4 = C3H7NO2 + CO2 =>
C4H7NO4 = C3H7NO2 + CO2
SiON + CF4 = SiF4 + CO + N2 =>
2 SiON + 2 CF4 = 2 SiF4 + 2 CO + N2
Cl2 + KOH = KClO3 + KCl + H2O =>
3 Cl2 + 6 KOH = KClO3 + 5 KCl + 3 H2O
LiSO3 + HNO3 = Li(NO3)2 + H2O + SO2 =>
LiSO3 + 2 HNO3 = Li(NO3)2 + H2O + SO2
Al2O12S3 + H3PO4 = AlPO4 + H2SO4 =>
Al2O12S3 + 2 H3PO4 = 2 AlPO4 + 3 H2SO4
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
HCl + Na = ClNa + H2 =>
2 HCl + 2 Na = 2 ClNa + H2
Zn + Ag2(SO)4 = Ag + Zn(SO)4 =>
Zn + Ag2(SO)4 = 2 Ag + Zn(SO)4
CaCO3 + H2 = Ca + CO2 + H2O =>
CaCO3 + H2 = Ca + CO2 + H2O
NaI + Cl2 = NaCl + I2 =>
2 NaI + Cl2 = 2 NaCl + I2
KOH(s) + H2SO4(l) = K2SO4 + H2O(l) =>
2 KOH(s) + H2SO4(l) = K2SO4 + 2 H2O(l)
CO + KOH = KHCOO =>
CO + KOH = KHCOO
LiBr + NH4NO3 = LiNO3 + NH4Br =>
LiBr + NH4NO3 = LiNO3 + NH4Br
NaOH + CO(NO3)2 = Na(NO3)2 + CHO2 =>
NaOH + CO(NO3)2 = Na(NO3)2 + CHO2
(NH4)2SO4(s) = (NH4)2(aq) + SO4(aq) =>
(NH4)2SO4(s) = (NH4)2(aq) + SO4(aq)
Na2SO3 + H2SO4 = Na2SO4 + H2S =>
4 Na2SO3 + H2SO4 = 4 Na2SO4 + H2S
FeS2 + KNO3 = Fe2O3 + SO2 + KNO2 =>
2 FeS2 + 11 KNO3 = Fe2O3 + 4 SO2 + 11 KNO2
Si + Cl2 = SiCl4 =>
Si + 2 Cl2 = SiCl4
Na2S{2-} + Na2Cr{6+}2O7 + H2SO4 = Na2SO4 + Cr{3+}2(SO4)3 + S + H2O =>
9 Na2S{2-} + 6 Na2Cr{6+}2O7 + 20 H2SO4 = 15 Na2SO4 + 6 Cr{3+}2(SO4)3 + 14 S + 20 H2O
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
MgSO4 = MgS + O3 =>
3 MgSO4 = 3 MgS + 4 O3
CH4 + O2 = CO2 + H2O = CH4 + O2 + CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HCl + Na2S = HS + Na2Cl =>
HCl + Na2S = HS + Na2Cl
CuSO4 + Ca(No3)2 = CaSO4 + Cu(No3)2 =>
CuSO4 + Ca(No3)2 = CaSO4 + Cu(No3)2
ZnCl2 + Al = AlCl3 + Zn =>
3 ZnCl2 + 2 Al = 2 AlCl3 + 3 Zn
Hg(OH)2 + H2CO2 = HgCO3 + H2O + H =>
Hg(OH)2 + H2CO2 = HgCO3 + H2O + 2 H
NaOH + K2O = NaO + K2OH =>
NaOH + K2O = NaO + K2OH
NaI + O2 = Na2O2 + I2 =>
2 NaI + O2 = Na2O2 + I2
KClO3 + H2S = KCl + S8 + H2O =>
8 KClO3 + 24 H2S = 8 KCl + 3 S8 + 24 H2O
Pr + S = Pr2S3 =>
2 Pr + 3 S = Pr2S3
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
PB(CH3COO)2 + O2 = PBO2 + CH3COO =>
PB(CH3COO)2 + O2 = PBO2 + 2 CH3COO
C3H7NO + O2 = CO2 + H2O + N2 =>
4 C3H7NO + 17 O2 = 12 CO2 + 14 H2O + 2 N2
Na2SO4(ac) + CaCl2(ac) = CaSO4(s) + NaCl(ac) =>
Na2SO4(ac) + CaCl2(ac) = CaSO4(s) + 2 NaCl(ac)
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
FeCl3 + KSCN = FeCN + KSCl3 =>
FeCl3 + KSCN = FeCN + KSCl3
MnO2 + C2 = Mn + CO2 =>
2 MnO2 + C2 = 2 Mn + 2 CO2
KOH + MnO2 + Cl2 = KMnO4 + KCl + H2O =>
8 KOH + 2 MnO2 + 3 Cl2 = 2 KMnO4 + 6 KCl + 4 H2O
NaCl + K2S = Na2S + KCl =>
2 NaCl + K2S = Na2S + 2 KCl
CH3CH2 + OH = CO2 + H2O =>
CH3CH2 + 13 OH = 2 CO2 + 9 H2O
UCl4 + KMnO4 + H2O = MnCl2 + UO2Cl2 + KCl + HCl =>
5 UCl4 + 2 KMnO4 + 2 H2O = 2 MnCl2 + 5 UO2Cl2 + 2 KCl + 4 HCl
Zn + MnO2 + H2 = Zn(OH)2 + Mn2O3 =>
Zn + 4 MnO2 + H2 = Zn(OH)2 + 2 Mn2O3
C5H11OH + H2O = C5H11OOH + H =>
C5H11OH + H2O = C5H11OOH + 2 H
LiSO3 + HNO3 = Li(NO3)2 + H2O + SO2 =>
LiSO3 + 2 HNO3 = Li(NO3)2 + H2O + SO2
C6H15O + O2 = CO2 + H2O =>
4 C6H15O + 37 O2 = 24 CO2 + 30 H2O
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