| Équations équilibrées la veille |
V2O5 + 4 KI + 5 H2SO4 = V2(SO4)3 + 2 K2SO4 + 2 I2 + 5 H2O
Li + TbCl3 = Tb + LiCl =>
3 Li + TbCl3 = Tb + 3 LiCl
CaO + H2O + SO2 + O2 = CaSO4(H2O)2 =>
2 CaO + 4 H2O + 2 SO2 + O2 = 2 CaSO4(H2O)2
C6H5OH + NaNO2 + H2SO4 = C6H4OHNO + Na2SO4 + H2O =>
2 C6H5OH + 2 NaNO2 + H2SO4 = 2 C6H4OHNO + Na2SO4 + 2 H2O
CoF + Cl2 = CoCl2 + F2 =>
2 CoF + 2 Cl2 = 2 CoCl2 + F2
Ni(NH3)6 + NaOH = Ni(OH)6 + Na + NH3 =>
Ni(NH3)6 + 6 NaOH = Ni(OH)6 + 6 Na + 6 NH3
C2H6 + HBr = C2H5Br + H2 =>
C2H6 + HBr = C2H5Br + H2
SnO2 + H2 = H2O + Sn =>
SnO2 + 2 H2 = 2 H2O + Sn
Zn + NO3{-} + H{+} = Zn{+2} + NH4{+} + H2O =>
4 Zn + NO3{-} + 10 H{+} = 4 Zn{+2} + NH4{+} + 3 H2O
ZrB2 + BaMoO4 = ZrO2 + B2O3 + Mo + BaO =>
3 ZrB2 + 5 BaMoO4 = 3 ZrO2 + 3 B2O3 + 5 Mo + 5 BaO
HCO2{-} + SO4{2-} + H2CO3 = HS{-} + HCO3{-} =>
4 HCO2{-} + SO4{2-} + H2CO3 = HS{-} + 5 HCO3{-}
K2S(aq) + Co(NO3)2(aq) = KNO3(aq) + CoS(s) =>
K2S(aq) + Co(NO3)2(aq) = 2 KNO3(aq) + CoS(s)
NH33 + O2 = N2 + H2O =>
4 NH33 + 33 O2 = 2 N2 + 66 H2O
PbO + GeCl4 = GeOCl4 + Pb =>
PbO + GeCl4 = GeOCl4 + Pb
(As2O3) + (KIO4) + KOH = (K3AsO4) + (KIO3) + H2O =>
(As2O3) + 2(KIO4) + 6 KOH = 2(K3AsO4) + 2(KIO3) + 3 H2O
HBr + Rb = RbBr + H2 =>
2 HBr + 2 Rb = 2 RbBr + H2
Cu + H2PO4 = CuPO4 + H2 =>
Cu + H2PO4 = CuPO4 + H2
KHC4H4O6 + HCl = H2C4H4O6 + KCl =>
KHC4H4O6 + HCl = H2C4H4O6 + KCl
PH3 + K2CrO7 + HNO3 = H3PO4 + Cr(NO3)3 + KNO3 + H2O =>
9 PH3 + 8 K2CrO7 + 40 HNO3 = 9 H3PO4 + 8 Cr(NO3)3 + 16 KNO3 + 20 H2O
NaCI(s) + H2SO4(l) = Na2SO4(s) + HCI(g) =>
2 NaCI(s) + H2SO4(l) = Na2SO4(s) + 2 HCI(g)
CuCO3*Cu(OH)2 + H2SO4 + H2O = CO2 + CuSO4*5H2O =>
CuCO3*Cu(OH)2 + 2 H2SO4 + 7 H2O = CO2 + 2 CuSO4*5H2O
NO2 + KI + HCl = I2 + N2 + KCl + H2O =>
2 NO2 + 8 KI + 8 HCl = 4 I2 + N2 + 8 KCl + 4 H2O
PtCl4 + XeF2 = PtF6 + ClF + Xe =>
PtCl4 + 5 XeF2 = PtF6 + 4 ClF + 5 Xe
B2H6 + O2 = H1BO2 + H2O =>
B2H6 + 3 O2 = 2 H1BO2 + 2 H2O
Cu(NH3)4 + OH + HNO3 = Cu(OH)2 + NH4NO3 =>
Cu(NH3)4 + 2 OH + 4 HNO3 = Cu(OH)2 + 4 NH4NO3
C2H3NaO2 + HCl = NaCl + C2H4O2 =>
C2H3NaO2 + HCl = NaCl + C2H4O2
XU3O8 + XHNO3 = XUO2(NO3)2 + XNO2 + XH2O =>
XU3O8 + 8 XHNO3 = 3 XUO2(NO3)2 + 2 XNO2 + 4 XH2O
LiNO3 + NaF = NaNO3 + LiF =>
LiNO3 + NaF = NaNO3 + LiF
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Na2CO3 + C20H14O4 = H2O + Na + C20H13O4 =>
20 Na2CO3 + 125 C20H14O4 = 56 H2O + 40 Na + 126 C20H13O4
BaS + HCl = HS + BaCl =>
BaS + HCl = HS + BaCl
Cu(OH)2 + HBr = CuOHBr + H2O =>
Cu(OH)2 + HBr = CuOHBr + H2O
HNO2 + Pb(OH)4 = Pb(NO2)4 + H2O =>
4 HNO2 + Pb(OH)4 = Pb(NO2)4 + 4 H2O
CO + O2 = CO2 = CO2 =>
2 CO + O2 = 2 CO2
Au + PtBr2 = Br2Au + Pt =>
Au + PtBr2 = Br2Au + Pt
HBr(aq) + Ni(s) = H2(g) + NiBr2 =>
2 HBr(aq) + Ni(s) = H2(g) + NiBr2
Au + HNO2 = AuNO2 + H2 =>
2 Au + 2 HNO2 = 2 AuNO2 + H2
Mg2C + H2O = Mg(OH)2 + CH4 =>
Mg2C + 4 H2O = 2 Mg(OH)2 + CH4
PH3 + K2MnO4 + H2O = MnO2 + K3PO4 + KOH =>
PH3 + 4 K2MnO4 + H2O = 4 MnO2 + K3PO4 + 5 KOH
HgO(s) = Hg(s) + O2(g) =>
2 HgO(s) = 2 Hg(s) + O2(g)
CaCl2 + HCl = CaH2 + Cl =>
CaCl2 + 2 HCl = CaH2 + 4 Cl
Al + OH{-} + H2O = Al(OH)4{-} + H2 =>
2 Al + 2 OH{-} + 6 H2O = 2 Al(OH)4{-} + 3 H2
(NH4)2SO2 = SO2 + NH4 =>
(NH4)2SO2 = SO2 + 2 NH4
KMnO4 + K2SO3 + NaOH = K2MnO4 + Na2MnO4 + K2SO4 + H2O =>
2 KMnO4 + K2SO3 + 2 NaOH = K2MnO4 + Na2MnO4 + K2SO4 + H2O
Na3Al(OH)6 + H2SO4 = Na2SO4 + Al2(SO4)3 + H2O =>
2 Na3Al(OH)6 + 6 H2SO4 = 3 Na2SO4 + Al2(SO4)3 + 12 H2O
Ca2 + FeN2 = CaN2 + Fe2 =>
Ca2 + 2 FeN2 = 2 CaN2 + Fe2
Na2S + OH = S + NaOH =>
Na2S + 2 OH = S + 2 NaOH
Ag(OH)2 + Fe = Ag3Fe2 + OH =>
3 Ag(OH)2 + 2 Fe = Ag3Fe2 + 6 OH
Fe + CI2 = FeCI2 =>
Fe + CI2 = FeCI2
NaOH + H2O = NaO2 + H3O =>
NaOH + 4 H2O = NaO2 + 3 H3O
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Équations équilibrées sur10/15/24
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