Équations équilibrées la veille |
K2Cr2O7 + 3 SO2 + 8 HCl = 2 CrCl3 + 2 KCl + 3 H2SO4 + H2O
Fe2 + HCl = FeCl3 + H =>
Fe2 + 6 HCl = 2 FeCl3 + 6 H
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
NO(g) + O2(g) = NO2(g) =>
2 NO(g) + O2(g) = 2 NO2(g)
W2O6 + H2 = W6 + H2O =>
3 W2O6 + 18 H2 = W6 + 18 H2O
Cu2O + NH4OH = [Cu(NH3)2]OH + H2O =>
Cu2O + 4 NH4OH = 2[Cu(NH3)2]OH + 3 H2O
H3BO3 + C2H6O = B(OC2H5)3 + H2O =>
H3BO3 + 3 C2H6O = B(OC2H5)3 + 3 H2O
(NH4)3PO4 + Al(OH)3 = AlPO4 + NH3 + H2O =>
(NH4)3PO4 + Al(OH)3 = AlPO4 + 3 NH3 + 3 H2O
Mg(s) + Al(NO3)3 = Mg(NO3)2 + Al(s) =>
3 Mg(s) + 2 Al(NO3)3 = 3 Mg(NO3)2 + 2 Al(s)
KBr + Co(NO3)2 = K(NO3)2 + CoBr =>
KBr + Co(NO3)2 = K(NO3)2 + CoBr
Rb3PO4 + Ti(NO3)4 = RbNO3 + Ti3(PO4)4 =>
4 Rb3PO4 + 3 Ti(NO3)4 = 12 RbNO3 + Ti3(PO4)4
Na2CO3(aq) + Mg(NO3)2(aq) = MgCO3(g) + NaNO3(aq) =>
Na2CO3(aq) + Mg(NO3)2(aq) = MgCO3(g) + 2 NaNO3(aq)
[Fe(NCS)(H2O)5] + F = FeF6 + (NCS)(H2O)5 =>
[Fe(NCS)(H2O)5] + 6 F = FeF6 + (NCS)(H2O)5
Na2CO3(aq) + H2SO4(aq) = Na2SO4 + H2CO3 =>
Na2CO3(aq) + H2SO4(aq) = Na2SO4 + H2CO3
HCOOK + [Ag(NH3)2]OH = Ag + NH3 + KHCO3 + H2O =>
HCOOK + 2[Ag(NH3)2]OH = 2 Ag + 4 NH3 + KHCO3 + H2O
H2SO4 + NaCl = HCl + NaSO4 + H =>
H2SO4 + NaCl = HCl + NaSO4 + H
La(OH)3 + HCl = LaCl3 + H2O =>
La(OH)3 + 3 HCl = LaCl3 + 3 H2O
ZnO + Mn2 = Zn + Mn2O3 =>
3 ZnO + Mn2 = 3 Zn + Mn2O3
CaCl2 + H2C2O4 = CaC2O4(s) + HCl =>
CaCl2 + H2C2O4 = CaC2O4(s) + 2 HCl
CuCO3(s) + O2(g) = Cu2O(s) + CO3(g) =>
4 CuCO3(s) + O2(g) = 2 Cu2O(s) + 4 CO3(g)
CH3(CH2)10COOH + NaOH = CH3(CH2)10COONa + H2O =>
CH3(CH2)10COOH + NaOH = CH3(CH2)10COONa + H2O
Mg(SO4) + Li(OH) = Mg(OH)2 + Li2(SO4) =>
Mg(SO4) + 2 Li(OH) = Mg(OH)2 + Li2(SO4)
Fe2SO4 + KOH = K2SO4 + Fe(OH) =>
Fe2SO4 + 2 KOH = K2SO4 + 2 Fe(OH)
HBr + Pb3(PO4)2 = H3PO4 + PbBr2 =>
6 HBr + Pb3(PO4)2 = 2 H3PO4 + 3 PbBr2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Zn(s) + Cu(No3)2(aq) = Zn(No3)2(aq) + Cu(s) =>
Zn(s) + Cu(No3)2(aq) = Zn(No3)2(aq) + Cu(s)
Si + P4 = SiP =>
4 Si + P4 = 4 SiP
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
NaClO + NH4Cl = NaOH + NH3 + Cl2 =>
NaClO + NH4Cl = NaOH + NH3 + Cl2
Mg(OH)2 + CO2 + H2O = MgCO3*5H2O =>
Mg(OH)2 + CO2 + 4 H2O = MgCO3*5H2O
Br2 + F = BrF5 =>
Br2 + 10 F = 2 BrF5
C2H5OH + KMnO4 + KOH = CH3COOH + H2O + K2MnO4 =>
C2H5OH + 4 KMnO4 + 4 KOH = CH3COOH + 3 H2O + 4 K2MnO4
C6H5NH2 + H2SO4 + NaNO2 = [C6H5N2]2SO4 + Na2SO4 + H2O =>
2 C6H5NH2 + 2 H2SO4 + 2 NaNO2 = [C6H5N2]2SO4 + Na2SO4 + 4 H2O
Na2S2O3 + KIO3 = K2S2O3 + NaIO3 =>
Na2S2O3 + 2 KIO3 = K2S2O3 + 2 NaIO3
NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(l) =>
2 NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(l)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C6H5NH2 + H3O = C6H5NH3 + H2O =>
C6H5NH2 + H3O = C6H5NH3 + H2O
NH3 + Cl2 = NCl3 + NH4Cl =>
4 NH3 + 3 Cl2 = NCl3 + 3 NH4Cl
NH3 + CuO = N2 + HO + Cu =>
2 NH3 + 6 CuO = N2 + 6 HO + 6 Cu
NO = O + N =>
NO = O + N
NaHCO3 + C6H8O7 = Na3C6H5O7 + CO + H2O =>
3 NaHCO3 + 2 C6H8O7 = Na3C6H5O7 + 9 CO + 7 H2O
Ba(NO3)2FeSO4 = BaSO4Fe(NO3)2 =>
Ba(NO3)2FeSO4 = BaSO4Fe(NO3)2
NaI + O2 = NaIO3 =>
2 NaI + 3 O2 = 2 NaIO3
C9H20(g) + O2(g) = H20(g) + CO2(g) =>
C9H20(g) + 9 O2(g) = H20(g) + 9 CO2(g)
Zn(OH)2 + C2H2O4 = ZnC2O4 + H2O =>
Zn(OH)2 + C2H2O4 = ZnC2O4 + 2 H2O
Mg3N2 + Na2O = Na3N + MgO =>
Mg3N2 + 3 Na2O = 2 Na3N + 3 MgO
P4 + O2 + H2O = H2PO4 =>
P4 + 6 O2 + 4 H2O = 4 H2PO4
PbS + O = PbO(s) + SO2(g) =>
PbS + 3 O = PbO(s) + SO2(g)
C18H36O + KOH = C17H37COOK =>
C18H36O + KOH = C17H37COOK
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