| Équations équilibrées la veille |
PBr5 + 5 NaOH = H3PO4 + 5 NaBr + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al + Pb(No3)2 = Al(No3) + Pb =>
2 Al + Pb(No3)2 = 2 Al(No3) + Pb
(NH4)2Cr2O7 = NH3 + Cr2O3 + NO + H2O =>
5(NH4)2Cr2O7 = 4 NH3 + 5 Cr2O3 + 6 NO + 14 H2O
HF(aq) + SiO2(s) = SiF4(l) + H2O(l) =>
4 HF(aq) + SiO2(s) = SiF4(l) + 2 H2O(l)
N2 + H2 = NH2 =>
N2 + 2 H2 = 2 NH2
Na2SO3 + KIO3 + H2SO4 = K2SO4 + Na2SO4 + H2O + I2 =>
5 Na2SO3 + 2 KIO3 + H2SO4 = K2SO4 + 5 Na2SO4 + H2O + I2
Na2(Sn(OH)4) + AgNO3 + NaOH = Ag + Na2[Sn(OH)6] + NaNO3 =>
Na2(Sn(OH)4) + 2 AgNO3 + 2 NaOH = 2 Ag + Na2[Sn(OH)6] + 2 NaNO3
NH3SO3 + C2H4O2 = C4NH3SO3 + H2O =>
NH3SO3 + 2 C2H4O2 = C4NH3SO3 + 4 H2O
VO2Cl + KI + HCl = VOCl2 + I2 + KCl + H2O =>
2 VO2Cl + 2 KI + 4 HCl = 2 VOCl2 + I2 + 2 KCl + 2 H2O
HI(g) + ICl(g) = I2(g) + HCl(g) =>
HI(g) + ICl(g) = I2(g) + HCl(g)
S + O2 = SO2 =>
S + O2 = SO2
Zn + Na3PO4 + H2O = Zn3(PO4)2 + NaO + H =>
3 Zn + 2 Na3PO4 + 6 H2O = Zn3(PO4)2 + 6 NaO + 12 H
AuCl3 + NaOH + HCOH = Au + NaCl + HCOONa + H2O =>
2 AuCl3 + 9 NaOH + 3 HCOH = 2 Au + 6 NaCl + 3 HCOONa + 6 H2O
CS + H2 = CH4 + H2S =>
CS + 3 H2 = CH4 + H2S
Pb(NO3)2NaSO4 = Pb(SO4)Na(NO3)2 =>
Pb(NO3)2NaSO4 = Pb(SO4)Na(NO3)2
Ba(HS)2 + H2SO4 = BaSO4 + H2S =>
Ba(HS)2 + H2SO4 = BaSO4 + 2 H2S
MgCl2 + AgNo3 = AgCl + Mg(No3)2 =>
MgCl2 + 2 AgNo3 = 2 AgCl + Mg(No3)2
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
C22H46O2 + O2 = CO2 + H2O =>
2 C22H46O2 + 65 O2 = 44 CO2 + 46 H2O
Na2CO3 + S + SO2 = CO2 + NaS2O3 =>
2 Na2CO3 + 3 S + 5 SO2 = 2 CO2 + 4 NaS2O3
Zn + HNO3 = Zn(NO3) + NO2 + H2O =>
Zn + 2 HNO3 = Zn(NO3) + NO2 + H2O
Cu(NO3)2 + Fe(NO3)2 = Cu + Fe(NO3)3 =>
Cu(NO3)2 + 2 Fe(NO3)2 = Cu + 2 Fe(NO3)3
H2SO4 + (NH3)2CO3 = CO2 + H2O + (NH3)2SO4 =>
H2SO4 + (NH3)2CO3 = CO2 + H2O + (NH3)2SO4
BaS + H2O = Ba(OH)2 + H2S =>
BaS + 2 H2O = Ba(OH)2 + H2S
CH3CH2CH2CH2CH2CH2CH2COOH + CaCO3 = CH3CH2CH2COOCa + H2O + CO2 =>
21 CH3CH2CH2CH2CH2CH2CH2COOH + 44 CaCO3 = 44 CH3CH2CH2COOCa + 14 H2O + 36 CO2
As2O3 + I2 + H2O = As2O5 + HI =>
As2O3 + 2 I2 + 2 H2O = As2O5 + 4 HI
Na2S4O6 + H2O2 + NaOH = H2O + Na2SO4 =>
Na2S4O6 + 7 H2O2 + 6 NaOH = 10 H2O + 4 Na2SO4
KL + MnO2 + H2SO4 = KHSO4 + MnSO4 + H2O + L2 =>
2 KL + MnO2 + 3 H2SO4 = 2 KHSO4 + MnSO4 + 2 H2O + L2
KMnO4 + KI + H2SeO4 = K2SeO4 + MnSeO3 + I2 + H2O =>
2 KMnO4 + 14 KI + 10 H2SeO4 = 8 K2SeO4 + 2 MnSeO3 + 7 I2 + 10 H2O
HN + H2O = H2N + OH =>
HN + H2O = H2N + OH
H2NO3 + PbS = Pb(NO3)2 + NO + S + H2O =>
4 H2NO3 + PbS = Pb(NO3)2 + 2 NO + S + 4 H2O
CH3CH2CH2 + K2Cr2O7 + H2SO4 = CH3CHCOOH + Cr2 + K2SO4 + H2O =>
2 CH3CH2CH2 + K2Cr2O7 + H2SO4 = 2 CH3CHCOOH + Cr2 + K2SO4 + 3 H2O
AgNO3(aq)NaCl(aq) = AgCl(s)NaNO3(aq) =>
AgNO3(aq)NaCl(aq) = AgCl(s)NaNO3(aq)
NH3Cl + H2O = H3O{+} + NH2Cl{-} =>
NH3Cl + H2O = H3O{+} + NH2Cl{-}
NaCO3 + HNO3 = HCO3 + NaNO3 =>
NaCO3 + HNO3 = HCO3 + NaNO3
Fe + Cu2Cl2 = Fe2Cl2 + Cu2 =>
2 Fe + Cu2Cl2 = Fe2Cl2 + Cu2
CrOHCl2 + H2O = Cr(OH)2Cl + HCl =>
CrOHCl2 + H2O = Cr(OH)2Cl + HCl
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
NaCl + AgNO3 + H2SO4 = AgCl + Na2SO4 + HNO3 =>
2 NaCl + 2 AgNO3 + H2SO4 = 2 AgCl + Na2SO4 + 2 HNO3
F2 + Na2O = O2 + NaF =>
2 F2 + 2 Na2O = O2 + 4 NaF
Mg + O3 = Mg2O3 =>
2 Mg + O3 = Mg2O3
Mn + NaOH + H2O = Na2MnO4 + H2 =>
Mn + 2 NaOH + 2 H2O = Na2MnO4 + 3 H2
Ca + H2O = Ca(OH)4 + H2 =>
Ca + 4 H2O = Ca(OH)4 + 2 H2
K2SO4(aq) + Ba(NO3)2(aq) = BaSO4(s) + KNO3 =>
K2SO4(aq) + Ba(NO3)2(aq) = BaSO4(s) + 2 KNO3
PaI5(s) = Pa(s) + I2(l) =>
2 PaI5(s) = 2 Pa(s) + 5 I2(l)
Tl + H2S = Tl2S + H2 =>
2 Tl + H2S = Tl2S + H2
KMnO4 + Na3AsO3 + KOH = Na3AsO4 + K2MnO4 + H2O =>
2 KMnO4 + Na3AsO3 + 2 KOH = Na3AsO4 + 2 K2MnO4 + H2O
Sb(OH)3 + H = H2O + Sb =>
Sb(OH)3 + 3 H = 3 H2O + Sb
NaCl(aq)AgNO3(aq) = AgCl(s)NaNO3 =>
NaCl(aq)AgNO3(aq) = AgCl(s)NaNO3
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Équations équilibrées sur11/23/24
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