Équations équilibrées la veille | Équations équilibrées le lendemain |
2 As2S5 + 57 HNO3 = H3As4 + 10 H2SO4 + 17 H2O + 57 NO2
C6H5C2H5 + KMnO4 = C6H5COOH + KOH + MnO2 + H2O =>
7 C6H5C2H5 + 18 KMnO4 = 8 C6H5COOH + 18 KOH + 18 MnO2 + 2 H2O
Nb(CO3)2 = Nb2 + CO3 =>
2 Nb(CO3)2 = Nb2 + 4 CO3
C4H9OH + CS2 = C4H4S + H2S + CH4O =>
C4H9OH + CS2 = C4H4S + H2S + CH4O
BaF2 + (NH4)2CO3 = BaCO3 + NH4F =>
BaF2 + (NH4)2CO3 = BaCO3 + 2 NH4F
C4H9Na + H2O = C4H10 + NaOH =>
C4H9Na + H2O = C4H10 + NaOH
Cr(BrO)6 + PtH4 = CrH6 + Pt(BrO)4 =>
2 Cr(BrO)6 + 3 PtH4 = 2 CrH6 + 3 Pt(BrO)4
B3N3H6 + Cl2 = BCl3 + NH3 + N2 =>
2 B3N3H6 + 9 Cl2 = 6 BCl3 + 4 NH3 + N2
SMg = MgS =>
SMg = MgS
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
CH3CH2CH2CH2OH + CrO3 = CH3CH2CH2COOH + Cr2O3 + H2O =>
3 CH3CH2CH2CH2OH + 4 CrO3 = 3 CH3CH2CH2COOH + 2 Cr2O3 + 3 H2O
Sn3(PO4)2 + H2O = Sn(OH)2 + H3PO4 =>
Sn3(PO4)2 + 6 H2O = 3 Sn(OH)2 + 2 H3PO4
Na2[PtCl6] + KCl = K[PtCl6] + Na2Cl =>
Na2[PtCl6] + KCl = K[PtCl6] + Na2Cl
FeSO4*7H2O + HCO3{-} = Fe(OH)2 + (SO4){2-} + CO2 + H2O =>
FeSO4*7H2O + 2 HCO3{-} = Fe(OH)2 + (SO4){2-} + 2 CO2 + 7 H2O
NCl3 = N2Cl + Cl2 =>
4 NCl3 = 2 N2Cl + 5 Cl2
(NH4)2CO + H2SO4 = (NH4)2SO4 + H2CO =>
(NH4)2CO + H2SO4 = (NH4)2SO4 + H2CO
LiOH + Fe(NO3)3 = Li(NO3)3 + FeOH =>
LiOH + Fe(NO3)3 = Li(NO3)3 + FeOH
C2H6O2 + O2 = CO2 + H2O =>
2 C2H6O2 + 5 O2 = 4 CO2 + 6 H2O
CuO + HCl = CuCl2H2O =>
CuO + 2 HCl = CuCl2H2O
P2O3 + Na2O = Na3PO3 =>
P2O3 + 3 Na2O = 2 Na3PO3
Ni(NO3)2 + K3PO4 = Ni(PO4)2 + K3NO3 =>
Ni(NO3)2 + 2 K3PO4 = Ni(PO4)2 + 2 K3NO3
HF(aq) + Au(s) = AuF3(aq) + H2(g) =>
6 HF(aq) + 2 Au(s) = 2 AuF3(aq) + 3 H2(g)
Fe2(SO4)3 + Ca(OH)2 + H2O = H3OFe3(SO4)2(OH)6 + CaSO4 =>
3 Fe2(SO4)3 + 5 Ca(OH)2 + 4 H2O = 2 H3OFe3(SO4)2(OH)6 + 5 CaSO4
Ni2O3 + H2O = NiO(OH) =>
Ni2O3 + H2O = 2 NiO(OH)
K + Au3PO4 = K3PO4 + Au3 =>
3 K + Au3PO4 = K3PO4 + Au3
FeCl3 + K2Cr2O7 = Fe2(Cr2O7)3 + KCl =>
2 FeCl3 + 3 K2Cr2O7 = Fe2(Cr2O7)3 + 6 KCl
Na2CO3 + CaCl2 = CaCO3 + NaCl =>
Na2CO3 + CaCl2 = CaCO3 + 2 NaCl
NiSO4(aq) + NaF(aq) = NiF2(aq) + Na2SO4(s) =>
NiSO4(aq) + 2 NaF(aq) = NiF2(aq) + Na2SO4(s)
Si + HCl = HSi + Cl =>
Si + HCl = HSi + Cl
Au + H2SeO2 = Au2(SeO4)3 + HSeO + H2O =>
2 Au + 21 H2SeO2 = Au2(SeO4)3 + 18 HSeO + 12 H2O
O8 + Cu = Cu2O =>
O8 + 16 Cu = 8 Cu2O
C3H6O + NaOH = C3H5ONa + H2O =>
C3H6O + NaOH = C3H5ONa + H2O
[Ag(NH3)2]Cl + H2 = AgCl + NH4 =>
[Ag(NH3)2]Cl + H2 = AgCl + 2 NH4
PbO + C = Pb(l) + CO(g) =>
PbO + C = Pb(l) + CO(g)
Zn(s) + HNO3 = Zn(NO3)2 + N2 + H2O =>
5 Zn(s) + 12 HNO3 = 5 Zn(NO3)2 + N2 + 6 H2O
KJ + H2SO4 = K2SO4 + J + H2S + H2O =>
8 KJ + 5 H2SO4 = 4 K2SO4 + 8 J + H2S + 4 H2O
Li + Cu = CuLi =>
Li + Cu = CuLi
NH3 + CuO = H2O + N2 + Cu2 =>
4 NH3 + 6 CuO = 6 H2O + 2 N2 + 3 Cu2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Fe2(CO3)3(s) = Fe2O3(s) + CO2 =>
Fe2(CO3)3(s) = Fe2O3(s) + 3 CO2
Pb(NO3)2 + Kl = Kl(NO3)2 + Pb =>
Pb(NO3)2 + Kl = Kl(NO3)2 + Pb
HClO3 + Ag(OH)2 = Ag(ClO3)2 + H2O =>
2 HClO3 + Ag(OH)2 = Ag(ClO3)2 + 2 H2O
HCl(aq) + NaHCO3(s) = CO2(g) + H2O(l) + NaCl(aq) =>
HCl(aq) + NaHCO3(s) = CO2(g) + H2O(l) + NaCl(aq)
K3P + KMnO4 + H2O = K3PO4 + MnO2 + KOH =>
3 K3P + 8 KMnO4 + 4 H2O = 3 K3PO4 + 8 MnO2 + 8 KOH
HCOOH + CH2(OH)CH(CH3)CH3 = HCOOCH2CH(CH3)2 + H2O =>
HCOOH + CH2(OH)CH(CH3)CH3 = HCOOCH2CH(CH3)2 + H2O
Na2SO3 + HPO3 = Na3PO4 + SO2 + H2O =>
3 Na2SO3 + 2 HPO3 = 2 Na3PO4 + 3 SO2 + H2O
C6H3(CH3)3 + KMnO4 = C6H3(COOK)3 + MnO2 + KOH + H2O =>
C6H3(CH3)3 + 6 KMnO4 = C6H3(COOK)3 + 6 MnO2 + 3 KOH + 3 H2O
KO2 + HCl = KCl + H2O + O2 =>
4 KO2 + 4 HCl = 4 KCl + 2 H2O + 3 O2
HCl + Fr = FrCl + H =>
HCl + Fr = FrCl + H
RSH + H2O2 + NaHCO3 = RSO3Na + H2O + CO2 =>
RSH + 3 H2O2 + NaHCO3 = RSO3Na + 4 H2O + CO2
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