| Équations équilibrées la veille |
2 Ce + 6 H2O = 2 Ce(OH)3 + 3 H2
Sb2S3 + H2O2 + NH3 = (NH4)4Sb2O7 + (NH4)2S2O7 + H2O =>
2 Sb2S3 + 28 H2O2 + 14 NH3 = 2(NH4)4Sb2O7 + 3(NH4)2S2O7 + 21 H2O
H2 + CuO = H2O + Cu =>
H2 + CuO = H2O + Cu
HF + Cl2 = HCl + F2 =>
2 HF + Cl2 = 2 HCl + F2
Au + Ca{2] = Au{3}+Ca =>
2 Au + 3 Ca{2] = 2 Au{3}+3Ca
FeCl3 + AgNO3 = Fe(NO3)3 + AgCl =>
FeCl3 + 3 AgNO3 = Fe(NO3)3 + 3 AgCl
AgNO3 + NaOH = Ag2O + H2O + Na + NO3 =>
2 AgNO3 + 2 NaOH = Ag2O + H2O + 2 Na + 2 NO3
C14H12O2 + NaBH4 + C2H6O = C14H14O2 + NaB(OC2H5)4 =>
4 C14H12O2 + NaBH4 + 4 C2H6O = 4 C14H14O2 + NaB(OC2H5)4
Zn + Co(SO4) = Zn(SO4) + Co =>
Zn + Co(SO4) = Zn(SO4) + Co
Cl2 + Na2S2O3 + H2O = Na2SO4 + HCl + HSO4 =>
9 Cl2 + 2 Na2S2O3 + 10 H2O = 2 Na2SO4 + 18 HCl + 2 HSO4
C9H8O4 + NaHCO3 = CO2 + H2O + NaC9H8O4 =>
37 C9H8O4 + 36 NaHCO3 = 45 CO2 + 22 H2O + 36 NaC9H8O4
(5{-}d) = {-}4d =>
(5{-}d) = {-}4d
NaBH4 + H3PO4 = B2H6 + NaH2PO4 + H2 =>
2 NaBH4 + 2 H3PO4 = B2H6 + 2 NaH2PO4 + 2 H2
HPO + BaCl = HCl + BaPO =>
HPO + BaCl = HCl + BaPO
Na2CO3 + Ca(NO3)2 = CaCO3 + NaNO3 =>
Na2CO3 + Ca(NO3)2 = CaCO3 + 2 NaNO3
Cr2O3 + NO3{-} + (CO3){-}2 = CrO42{-} + NO2{-} + CO2 =>
Cr2O3 + 79 NO3{-} + 2(CO3){-}2 = 2 CrO42{-} + 79 NO2{-} + 2 CO2
SNS2(s) + O2(g) = SNO2(s) + SO2(g) =>
SNS2(s) + 3 O2(g) = SNO2(s) + 2 SO2(g)
(C6H10O5)3 + CuO = CO2 + H2O + Cu =>
(C6H10O5)3 + 36 CuO = 18 CO2 + 15 H2O + 36 Cu
BaS + Mg = BaSMg =>
BaS + Mg = BaSMg
FeCl2 + KNO3 + HCl = FeCl3 + NO + H2O + KCl =>
3 FeCl2 + KNO3 + 4 HCl = 3 FeCl3 + NO + 2 H2O + KCl
Zn + CdBr2 = ZnBr2 + Cd =>
Zn + CdBr2 = ZnBr2 + Cd
HBrO4 + Fe(OH)3 = Fe(BrO4)3 + H2O =>
3 HBrO4 + Fe(OH)3 = Fe(BrO4)3 + 3 H2O
CsOH + HI = CsHI + OH =>
CsOH + HI = CsHI + OH
SO2 + H2 = SO2H2 =>
SO2 + H2 = SO2H2
NaN3 = Na + N =>
NaN3 = Na + 3 N
HNO2 + SbO{+} + OH{-} = NO + Sb2O5 + H2O =>
4 HNO2 + 2 SbO{+} + 2 OH{-} = 4 NO + Sb2O5 + 3 H2O
CH + Cl = CHCl =>
CH + Cl = CHCl
H2S + HNO3 = H2S04 + NO2 + H2O =>
4 H2S + 6 HNO3 = H2S04 + 6 NO2 + 6 H2O
S(s) + O2(g) + NaOH(aq) = Na2SO4(aq) + H2O(l)(unbalanced) =>
2 S(s) + 3 O2(g) + 4 NaOH(aq) = 2 Na2SO4(aq) + 2 H2O(l)(unbalanced)
I2 = I3 =>
3 I2 = 2 I3
AgNO3 + C2H2O4 = Ag2C2O4 + HNO3 =>
2 AgNO3 + C2H2O4 = Ag2C2O4 + 2 HNO3
K2Cr2O7 + Sn(NO3)4 = Sn(Cr2O7)2 + KNO3 =>
2 K2Cr2O7 + Sn(NO3)4 = Sn(Cr2O7)2 + 4 KNO3
Mg + Co(NO3)3 = Mg(NO3)3 + Co =>
Mg + Co(NO3)3 = Mg(NO3)3 + Co
FeNO3 + NaSO4 = FeSO4 + NaNO3 =>
FeNO3 + NaSO4 = FeSO4 + NaNO3
Fe(NO3)3(aq) + NACl(aq) = FeCl3(aq) + NANO3(aq) =>
Fe(NO3)3(aq) + 3 NACl(aq) = FeCl3(aq) + 3 NANO3(aq)
Na2Cr2O7 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + Na2SO4 + H2O =>
Na2Cr2O7 + 3 NaNO2 + 4 H2SO4 = 3 NaNO3 + Cr2(SO4)3 + Na2SO4 + 4 H2O
Mg + O = Mg5O3 =>
5 Mg + 3 O = Mg5O3
Cr + Ag = CrAg2 =>
Cr + 2 Ag = CrAg2
CuO + HH = Cu + HHO =>
CuO + HH = Cu + HHO
C3H7OH + NaOH = C6H13ONa + H2O =>
2 C3H7OH + NaOH = C6H13ONa + 2 H2O
C + H + N + NaO2 + S = C11H17N2NaO2S =>
11 C + 17 H + 2 N + NaO2 + S = C11H17N2NaO2S
CuCO3 + O2 = CuO2 + CO2 =>
2 CuCO3 + O2 = 2 CuO2 + 2 CO2
MnO2 + S + H{+} = Mn{2+} + SO2 + H2O =>
2 MnO2 + S + 4 H{+} = 2 Mn{2+} + SO2 + 2 H2O
Hg2Cl2 = Hg(l) + Cl2 =>
Hg2Cl2 = 2 Hg(l) + Cl2
KNO3 + S = SO2 + NO2 + K2O =>
4 KNO3 + S = SO2 + 4 NO2 + 2 K2O
PtCl4 + F2 = F2Pt + Cl2 =>
PtCl4 + F2 = F2Pt + 2 Cl2
Ag + HNO3 = AgNO3 + H2O + NO =>
3 Ag + 4 HNO3 = 3 AgNO3 + 2 H2O + NO
C10H20 = C2H4 =>
C10H20 = 5 C2H4
PbSO4 + H2SO4 = PbS2O8 + H =>
PbSO4 + H2SO4 = PbS2O8 + 2 H
AgNO3 + KIO4 = KNO3 + AgI + O2 =>
AgNO3 + KIO4 = KNO3 + AgI + 2 O2
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Équations équilibrées sur02/10/25
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