| Équations équilibrées la veille |
2 CrO3 + 3 C = 2 Cr + 3 CO2
Ni2(CO3)2 = NiO + CO2 =>
Ni2(CO3)2 = 2 NiO + 2 CO2
P4 + Ba(OH)2 + H2O = PH3 + Ba3(HP2O7)2 =>
8 P4 + 9 Ba(OH)2 + 24 H2O = 20 PH3 + 3 Ba3(HP2O7)2
MnO4(aq) + SO32(aq) = MnO2(s) + SO42(aq) =>
5 MnO4(aq) + SO32(aq) = 5 MnO2(s) + SO42(aq)
H + Ba = H2Ba =>
2 H + Ba = H2Ba
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
C57H110O6 + NaOH = C18H35O2Na + C3H8O3 =>
C57H110O6 + 3 NaOH = 3 C18H35O2Na + C3H8O3
C4H9Br + AgNO3 = C4H9NO3 + AgBr =>
C4H9Br + AgNO3 = C4H9NO3 + AgBr
Na + H2CO3 = NaHCO3 + H2 =>
2 Na + 2 H2CO3 = 2 NaHCO3 + H2
C4H4(g) + O2(g) = CO2(g) + H2O(l) =>
C4H4(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(l)
CrO + Si = Cr + SiO =>
CrO + Si = Cr + SiO
CH3CH2CH2OH = CH3CHCH2 + H2O =>
CH3CH2CH2OH = CH3CHCH2 + H2O
FeO + Al(OH)3 = Fe(AlO2)2 + H2O =>
FeO + 2 Al(OH)3 = Fe(AlO2)2 + 3 H2O
Te + O2 = Te2O6 =>
2 Te + 3 O2 = Te2O6
C15H31COOH + O2 = C + H2O =>
C15H31COOH + 7 O2 = 16 C + 16 H2O
CO + H2 = CH3OH =>
CO + 2 H2 = CH3OH
Na2O2 + HCl = NaCl + H2O + O2 =>
2 Na2O2 + 4 HCl = 4 NaCl + 2 H2O + O2
NaOH + (NH4)2SO4*FeSO4*6H2O = Fe(OH)2 + NH3 + Na2SO4 + H2O =>
4 NaOH + (NH4)2SO4*FeSO4*6H2O = Fe(OH)2 + 2 NH3 + 2 Na2SO4 + 8 H2O
SO4 + NH3 = SO3 + H2O + N2 =>
3 SO4 + 2 NH3 = 3 SO3 + 3 H2O + N2
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
MgCl2(aq) + NaOH = Mg(OH)2 + NaCl =>
MgCl2(aq) + 2 NaOH = Mg(OH)2 + 2 NaCl
Al(OH)3 + HCl(aq) = AlCl3 + H2O =>
Al(OH)3 + 3 HCl(aq) = AlCl3 + 3 H2O
As2O3 + Ca(OH)2 + O2 = Ca(AsO4)2 + H2O =>
As2O3 + Ca(OH)2 + 2 O2 = Ca(AsO4)2 + H2O
H2SO4(aq) + BaBr2(aq) = H2Br2 + BaSO4 =>
H2SO4(aq) + BaBr2(aq) = H2Br2 + BaSO4
AgNO3 + H2O = Ag + HNO3 + O2 =>
4 AgNO3 + 2 H2O = 4 Ag + 4 HNO3 + O2
Hg + SO2 = HgS + O2 =>
Hg + SO2 = HgS + O2
K2Cr2O7 + ClH = CrCl3 + ClK + H2O + Cl2 =>
K2Cr2O7 + 14 ClH = 2 CrCl3 + 2 ClK + 7 H2O + 3 Cl2
Mg2Si + C2F4 = C + MgF2 + SiF4 =>
Mg2Si + 2 C2F4 = 4 C + 2 MgF2 + SiF4
Pb{2+} + H2S = PbS + H{+} =>
Pb{2+} + H2S = PbS + 2 H{+}
Ca + HO = CaO + H2 =>
2 Ca + 2 HO = 2 CaO + H2
Se(s) + O2(g) = SeO3(s) =>
2 Se(s) + 3 O2(g) = 2 SeO3(s)
I2 + NaF = NaI + F =>
I2 + 2 NaF = 2 NaI + 2 F
N2O + O3 = N2O3 =>
3 N2O + 2 O3 = 3 N2O3
NaHCO3 + CH3 = H2O + CO2 + C2H3NaO2 =>
7 NaHCO3 + 8 CH3 = 5 H2O + CO2 + 7 C2H3NaO2
NH3 + SO4 = NH3SO4 =>
NH3 + SO4 = NH3SO4
Mn(NO3)2 + NaOH + O2 = NaNO3 + H2O + Na2MnO4 =>
Mn(NO3)2 + 4 NaOH + O2 = 2 NaNO3 + 2 H2O + Na2MnO4
HCL(aq) + K2CO3(s) = KCL(aq) + CO2(g) + H2O(l) =>
2 HCL(aq) + K2CO3(s) = 2 KCL(aq) + CO2(g) + H2O(l)
AlCl3(s) + NaOH(aq) = NaAlO2(s) + NaCl(aq) + H2O(l) =>
AlCl3(s) + 4 NaOH(aq) = NaAlO2(s) + 3 NaCl(aq) + 2 H2O(l)
Al(s) + Fe(NO3)2(aq) = Fe(s) + Al(NO3)3(aq) =>
2 Al(s) + 3 Fe(NO3)2(aq) = 3 Fe(s) + 2 Al(NO3)3(aq)
HgCl2 + NH4OH = HgNH2Cl + NH4Cl + H2O =>
HgCl2 + 2 NH4OH = HgNH2Cl + NH4Cl + 2 H2O
C4 + H = C3H8 =>
3 C4 + 32 H = 4 C3H8
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
ClF3 + NH3 = N2 + HF + Cl2 =>
2 ClF3 + 2 NH3 = N2 + 6 HF + Cl2
Pb(OH)2 + HgS = PbS + H2HgO2 =>
Pb(OH)2 + HgS = PbS + H2HgO2
HNO2 + HMnO4 = HNO3 + Mn(NO)3 + H2O =>
8 HNO2 + HMnO4 = 5 HNO3 + Mn(NO)3 + 2 H2O
Pb(NO3)2 + FeBr3 = PbBr2 + Fe(NO3)3 =>
3 Pb(NO3)2 + 2 FeBr3 = 3 PbBr2 + 2 Fe(NO3)3
Na2S2O3 + H2SO4 = Na2SO4 + H2S2O3 =>
Na2S2O3 + H2SO4 = Na2SO4 + H2S2O3
NaHCO3 + H3COOH = H3COONa + CO2 + H2O =>
NaHCO3 + H3COOH = H3COONa + CO2 + H2O
B2(SO4)3 + Ca(OH)2 = B(OH)3 + CaSO4 =>
B2(SO4)3 + 3 Ca(OH)2 = 2 B(OH)3 + 3 CaSO4
K2CO3 + H2SO4 = K2SO4 + H2O + CO2 =>
K2CO3 + H2SO4 = K2SO4 + H2O + CO2
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Équations équilibrées sur10/26/24
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