| Équations équilibrées la veille |
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Y2 + Ta = Y4Ta =>
2 Y2 + Ta = Y4Ta
NaBO2 + H2O2 + H2O = NaBO2(OH)2*3H2O =>
NaBO2 + H2O2 + 3 H2O = NaBO2(OH)2*3H2O
HCl = H2 + Cl2 =>
2 HCl = H2 + Cl2
(NH4) + Pb = H2 + Pb3N2 =>
2(NH4) + 3 Pb = 4 H2 + Pb3N2
Ag2O + HCl = AgCl + H2O =>
Ag2O + 2 HCl = 2 AgCl + H2O
Al + Ni(CN)2 = Al(CN)3 + Ni =>
2 Al + 3 Ni(CN)2 = 2 Al(CN)3 + 3 Ni
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Ca + NaOH = Ca(OH)2 + Na =>
Ca + 2 NaOH = Ca(OH)2 + 2 Na
S8(s) + HNO3(aq) = H2SO4(aq) + NO2(g) + H2O(l) =>
S8(s) + 48 HNO3(aq) = 8 H2SO4(aq) + 48 NO2(g) + 16 H2O(l)
NaHCO3 + H2CrO4 = Na2CrO4 + H2O + CO2 =>
2 NaHCO3 + H2CrO4 = Na2CrO4 + 2 H2O + 2 CO2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
AlCl3(aq) + Na2CO3(aq) = Al2(CO3)3(aq) + NaCl(aq) =>
2 AlCl3(aq) + 3 Na2CO3(aq) = Al2(CO3)3(aq) + 6 NaCl(aq)
Al(OH)3 + Cl2 = Al(OH)3Cl =>
2 Al(OH)3 + Cl2 = 2 Al(OH)3Cl
V2O5 + C = V2O3 + CO2 =>
V2O5 + C = V2O3 + CO2
CH3OH + H2SO4 = H2O + CH4SO4 =>
CH3OH + H2SO4 = H2O + CH4SO4
Fe2O2 + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe2O2 + 8 HNO3 = 2 Fe(NO3)3 + 2 NO2 + 4 H2O
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
MnO4{-}(aq) + S{2-}(aq) + H2O(l) = MnS(s) + S(s) + OH{-}(aq) =>
2 MnO4{-}(aq) + 7 S{2-}(aq) + 8 H2O(l) = 2 MnS(s) + 5 S(s) + 16 OH{-}(aq)
CrCl3 + NH3 + H2O = Cr2O3 + NH4Cl =>
2 CrCl3 + 6 NH3 + 3 H2O = Cr2O3 + 6 NH4Cl
AuClO3 = AuCl + O2 =>
2 AuClO3 = 2 AuCl + 3 O2
HClO3 + Al(OH)3 = Al(ClO3)3 + H2O =>
3 HClO3 + Al(OH)3 = Al(ClO3)3 + 3 H2O
LiF = Li + F2 =>
2 LiF = 2 Li + F2
HCOH + NH4Cl = CH3NH2*HCl + HCOOH =>
2 HCOH + NH4Cl = CH3NH2*HCl + HCOOH
NaHCO3 + H3C5H5O7 = H2O + CO2 + NaH2C6H5O7 =>
7 NaHCO3 + 9 H3C5H5O7 = 15 H2O + 10 CO2 + 7 NaH2C6H5O7
C3H3O3{-}(aq) + H2O(l) = HC3H3O3(aq) + OH{-}(aq) =>
C3H3O3{-}(aq) + H2O(l) = HC3H3O3(aq) + OH{-}(aq)
N2P + NH3 = N2 + PH3 =>
2 N2P + 2 NH3 = 3 N2 + 2 PH3
C20H42 + O2 = CO + H2 =>
C20H42 + 10 O2 = 20 CO + 21 H2
C27H48O20 + H2O = C135H244O102 =>
5 C27H48O20 + 2 H2O = C135H244O102
AgBr + MgO = Ag2O + MgBr2 =>
2 AgBr + MgO = Ag2O + MgBr2
H2SO4 + Na2SO4 = NaH + SO4 =>
H2SO4 + Na2SO4 = 2 NaH + 2 SO4
Fe(NO3)3 + KBr = Fe(Br)3 + KNO3 =>
Fe(NO3)3 + 3 KBr = Fe(Br)3 + 3 KNO3
Nd2O3 + NH4HF2 = NH4F + NdF3 + H2O =>
Nd2O3 + 6 NH4HF2 = 6 NH4F + 2 NdF3 + 3 H2O
Ni(NO3)2 + Na2CO3 = NiCO3 + Na2(NO3)2 =>
Ni(NO3)2 + Na2CO3 = NiCO3 + Na2(NO3)2
Ba(OH)H2O + NH4NO3 = Ba(NO3)2 + NH3 + H2O =>
8 Ba(OH)H2O + 17 NH4NO3 = 8 Ba(NO3)2 + 18 NH3 + 19 H2O
CuO + CO = Cu + CO2 =>
CuO + CO = Cu + CO2
SCu + NO3H = (NO3)2Cu + S + NO + H2O =>
3 SCu + 8 NO3H = 3(NO3)2Cu + 3 S + 2 NO + 4 H2O
HCl + K2Cr2O7 = H2Cr2O7 + KCl =>
2 HCl + K2Cr2O7 = H2Cr2O7 + 2 KCl
Ni(s) + HNO3(aq) = Ni(NO3)2(aq) + H2O(l) + NO(g) =>
3 Ni(s) + 8 HNO3(aq) = 3 Ni(NO3)2(aq) + 4 H2O(l) + 2 NO(g)
Cs{+} + O2{4-} = Cs2O =>
4 Cs{+} + O2{4-} = 2 Cs2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
AgClO3 + HCl = AgCl + H2O + Cl2 =>
AgClO3 + 6 HCl = AgCl + 3 H2O + 3 Cl2
Ag2SO4 + CoCl3 = Co2(SO4)3 + AgCl =>
3 Ag2SO4 + 2 CoCl3 = Co2(SO4)3 + 6 AgCl
CaC2H3O2 = Ca + C2H3O2 =>
CaC2H3O2 = Ca + C2H3O2
AlOH3 + H2O = OH + HAlOH3 =>
AlOH3 + H2O = OH + HAlOH3
C + H2 = C3H6 =>
3 C + 3 H2 = C3H6
Na2VO3 + (NH4)2SO4 + Cl2 = NH4VO3 + Na2SO4 + NH4Cl =>
2 Na2VO3 + 2(NH4)2SO4 + Cl2 = 2 NH4VO3 + 2 Na2SO4 + 2 NH4Cl
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Pb + HNO3 = Pb2NO3 + NO2 + H2O =>
2 Pb + 2 HNO3 = Pb2NO3 + NO2 + H2O
I2 + HNO3 = HIO3 + NO2 + H2O =>
I2 + 10 HNO3 = 2 HIO3 + 10 NO2 + 4 H2O
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