| Équations équilibrées la veille |
2 N2 + 5 O2 = 2 N2O5
Ag(NO3) + Kl = Ag + (NO3)Kl =>
Ag(NO3) + Kl = Ag + (NO3)Kl
H3PO4 + H2S + K2Cr2O7 = K3PO4 + CrPO4 + S9 + H2O =>
8 H3PO4 + 9 H2S + 3 K2Cr2O7 = 2 K3PO4 + 6 CrPO4 + S9 + 21 H2O
C14H18N2O5 + O2 = CO2 + water + nitrogen =>
C14H18N2O5 + 16 O2 = 14 CO2 + 9 H2O + N2
NiCl12 + O2 = NiO + Cl2O5 =>
2 NiCl12 + 31 O2 = 2 NiO + 12 Cl2O5
Ba(OH)2 + Al = Al(OH)3 + Ba =>
3 Ba(OH)2 + 2 Al = 2 Al(OH)3 + 3 Ba
AsO4{3-} + S{2-} + H{+} = [AsO3]{3-} + S + H2O =>
AsO4{3-} + S{2-} + 2 H{+} = [AsO3]{3-} + S + H2O
Cu(NO3)2 + (NH4)OH = Cu(OH)2 + NH4(NO3) =>
Cu(NO3)2 + 2(NH4)OH = Cu(OH)2 + 2 NH4(NO3)
Na(HCO3) + H2SO3 = Na2SO3 + H2(CO3) =>
2 Na(HCO3) + H2SO3 = Na2SO3 + 2 H2(CO3)
Fe2O3 + AlCl3 = FeCl3 + Al2O3 =>
Fe2O3 + 2 AlCl3 = 2 FeCl3 + Al2O3
H2S + Ag3PO4 + Zn = Ag2S + ZnS + PH3 + H2O =>
11 H2S + 2 Ag3PO4 + 8 Zn = 3 Ag2S + 8 ZnS + 2 PH3 + 8 H2O
NiCl2 + NaOH + Br2 = Ni(OH)3 + NaBr + NaCl =>
2 NiCl2 + 6 NaOH + Br2 = 2 Ni(OH)3 + 2 NaBr + 4 NaCl
H3BO3 + H2 = B2H6 + H2O =>
2 H3BO3 + 6 H2 = B2H6 + 6 H2O
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
NaI + KClO + CH3COOH = CH3COONa + KCl + H2O + I2 =>
2 NaI + KClO + 2 CH3COOH = 2 CH3COONa + KCl + H2O + I2
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NH4Cl + Hg2(NO3)2 = NH4NO3 + Hg2Cl2 =>
2 NH4Cl + Hg2(NO3)2 = 2 NH4NO3 + Hg2Cl2
C3H6O2 + O2 = CO2 + H2O =>
2 C3H6O2 + 7 O2 = 6 CO2 + 6 H2O
(NH4ClO4) = N2 + Cl2 + O2 + H2O =>
2(NH4ClO4) = N2 + Cl2 + 2 O2 + 4 H2O
NH4Cl(l) = NH3(l) + HCl(l) =>
NH4Cl(l) = NH3(l) + HCl(l)
Pb(s) + AgNO3(aq) = Pb(NO3)2(aq) + Ag(s) =>
Pb(s) + 2 AgNO3(aq) = Pb(NO3)2(aq) + 2 Ag(s)
Ag + OH = Ag2O + H2O =>
2 Ag + 2 OH = Ag2O + H2O
Cr2O3 + HCl = Cr2Cl + HO3 =>
Cr2O3 + HCl = Cr2Cl + HO3
Na3P(aq) + CaCl2(aq) = Ca3P2(s) + NaCl(aq) =>
2 Na3P(aq) + 3 CaCl2(aq) = Ca3P2(s) + 6 NaCl(aq)
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
FeCl3 + Na2CO3 = Na2Fe + Cl3CO3 =>
FeCl3 + Na2CO3 = Na2Fe + Cl3CO3
Pb(C2H3O2)2 + NaOH = Pb(OH)2 + NaC2H3O2 =>
Pb(C2H3O2)2 + 2 NaOH = Pb(OH)2 + 2 NaC2H3O2
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
C6H5NH3ClAgNO3 = C6H5NH3NO3AgCl =>
C6H5NH3ClAgNO3 = C6H5NH3NO3AgCl
Na2CO3 + Cl2 + H2O = Na2CO4 + HCl =>
Na2CO3 + Cl2 + H2O = Na2CO4 + 2 HCl
HCl + C4H7Cl = C4H8Cl2 =>
HCl + C4H7Cl = C4H8Cl2
K2O(s) + H2O = KOH =>
K2O(s) + H2O = 2 KOH
Na2SO3 + HCl + KI = I2 + Na2S + KCl + H2O =>
Na2SO3 + 6 HCl + 6 KI = 3 I2 + Na2S + 6 KCl + 3 H2O
C6H5CH3 + MnO2 + H2SO4 = C6H5CHO + MnSO4 + H2O =>
C6H5CH3 + 2 MnO2 + 2 H2SO4 = C6H5CHO + 2 MnSO4 + 3 H2O
A + BO3 = A3O4 + B2O3 =>
9 A + 8 BO3 = 3 A3O4 + 4 B2O3
Fe(OH)2 + KHSO4 = Fe(HSO4)2 + KOH =>
Fe(OH)2 + 2 KHSO4 = Fe(HSO4)2 + 2 KOH
NaOHHCl = NaClHOH =>
NaOHHCl = NaClHOH
Cr2O7 + C = Cr + CO2 =>
2 Cr2O7 + 7 C = 4 Cr + 7 CO2
I2 + F2 = IF5 =>
I2 + 5 F2 = 2 IF5
H2C4H4O5(aq) + NaOH(aq) = Na2C4H4O5(aq) + H2O =>
H2C4H4O5(aq) + 2 NaOH(aq) = Na2C4H4O5(aq) + 2 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
K2(SO3) + HBr = H2O + SO2 + KBr =>
K2(SO3) + 2 HBr = H2O + SO2 + 2 KBr
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Li3N + O2 = Li3O + N2 =>
2 Li3N + O2 = 2 Li3O + N2
KMnO4 + NaH + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
4 KMnO4 + 10 NaH + 11 H2SO4 = 4 MnSO4 + 2 K2SO4 + 5 Na2SO4 + 16 H2O
C2H6 + O2 = CO2 + H2O = =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C4H10O + H3PO4 + Br2 + CCl4 = C2Br2 + H2O + Cl2P3 =>
15 C4H10O + 24 H3PO4 + 32 Br2 + 4 CCl4 = 32 C2Br2 + 111 H2O + 8 Cl2P3
CO2 + NO = CONO2 =>
CO2 + NO = CONO2
CH6 + KMnO4 + H2O = CH6(OH)2 + MnO2 + KOH =>
3 CH6 + 2 KMnO4 + 4 H2O = 3 CH6(OH)2 + 2 MnO2 + 2 KOH
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