Équations équilibrées la veille |
MgCl2 + H2O = Mg(OH)Cl + HCl
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
C6H5CH3 + K2Cr2O7 + H2SO4 = C6H5COOH + Cr2(SO4)3 + K2SO4 + H2O =>
C6H5CH3 + K2Cr2O7 + 4 H2SO4 = C6H5COOH + Cr2(SO4)3 + K2SO4 + 5 H2O
KOH + H2O = K(OH)2 + H =>
KOH + H2O = K(OH)2 + H
S8 + C = CS2 =>
S8 + 4 C = 4 CS2
BrCl + H2 = HCl + HBr =>
BrCl + H2 = HCl + HBr
H2SO4(aq) + KOH(aq) = K2SO4(l) + H2O(aq) =>
H2SO4(aq) + 2 KOH(aq) = K2SO4(l) + 2 H2O(aq)
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
K3(Cr(O2)4) + H2SO4 = Cr2O3 + O2 + K2SO4 + H2O =>
2 K3(Cr(O2)4) + 3 H2SO4 = Cr2O3 + 5 O2 + 3 K2SO4 + 3 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Al3O4 = Al + O2 =>
Al3O4 = 3 Al + 2 O2
CuCO3 + H2SO4 = CuSO4 + H2CO3 =>
CuCO3 + H2SO4 = CuSO4 + H2CO3
CaCl2 + NaF = CaF2 + NaCl =>
CaCl2 + 2 NaF = CaF2 + 2 NaCl
Mg + MnBr2 = MgBr2 + Mn =>
Mg + MnBr2 = MgBr2 + Mn
H2SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
Al + Cl2SO4 = Al2(SO4)3 + Cl2 =>
2 Al + 3 Cl2SO4 = Al2(SO4)3 + 3 Cl2
HCl + Ca(OH)2 = CaCl2 + (H2O) =>
2 HCl + Ca(OH)2 = CaCl2 + 2(H2O)
C6H5NH2 + H2O = C6H5NH2H + OH =>
C6H5NH2 + H2O = C6H5NH2H + OH
Cu + Pb(CH3COO)2 = Pb + Cu(CH3COO) =>
2 Cu + Pb(CH3COO)2 = Pb + 2 Cu(CH3COO)
K2CO3(aq) + HNO3(aq) = KNO3(aq) + H2O(l) + CO2(g) =>
K2CO3(aq) + 2 HNO3(aq) = 2 KNO3(aq) + H2O(l) + CO2(g)
C6H5COH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C6H5COOH + H2O =>
3 C6H5COH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 C6H5COOH + 4 H2O
Cr + CuCl2 = CrCl2 + Cu =>
Cr + CuCl2 = CrCl2 + Cu
[Ni(NH3)6](NO3)2 + KI = NiI2 + KNO3 + NH3 =>
[Ni(NH3)6](NO3)2 + 2 KI = NiI2 + 2 KNO3 + 6 NH3
AgCIO3 + KCN = KCIO3 + AgCN =>
AgCIO3 + KCN = KCIO3 + AgCN
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
GeO2 + H2 = Ge + H2O =>
GeO2 + 2 H2 = Ge + 2 H2O
Ni(s) + MgSO4(aq) = NiSO4(aq) + Mg(s) =>
Ni(s) + MgSO4(aq) = NiSO4(aq) + Mg(s)
MgCO3 + Na = Mg + NaCO3 =>
MgCO3 + Na = Mg + NaCO3
CoMnSO4 + Co2O3 + H2SO4 = CoSO4 + MnO2 + H2O =>
CoMnSO4 + 2 Co2O3 + 4 H2SO4 = 5 CoSO4 + MnO2 + 4 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
ZnO + HCl + Na2S2O8 = ZnS2O8 + NaCl + H2O =>
ZnO + 2 HCl + Na2S2O8 = ZnS2O8 + 2 NaCl + H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H2 + N2 + O = HNO3 =>
H2 + N2 + 6 O = 2 HNO3
K2SiO3 + KOH = K4SiO4 + H2O =>
K2SiO3 + 2 KOH = K4SiO4 + H2O
NaOH + HSO2 = H2O + NaSO2 =>
NaOH + HSO2 = H2O + NaSO2
K3[Fe(CN)6] + MnSO4 = Mn3[Fe(CN)6]2 + K2SO4 =>
2 K3[Fe(CN)6] + 3 MnSO4 = Mn3[Fe(CN)6]2 + 3 K2SO4
(NH4)2SO4 + AgNO3 = AgSO4 + (NH4)2NO3 =>
(NH4)2SO4 + AgNO3 = AgSO4 + (NH4)2NO3
Bi(NO3)2 + NaOH + Cl2 = NaBiO3 + NaCl + NaNO3 + H2O =>
2 Bi(NO3)2 + 12 NaOH + 3 Cl2 = 2 NaBiO3 + 6 NaCl + 4 NaNO3 + 6 H2O
ErCl3 + H2O = [Er(H2O)9]Cl3 =>
ErCl3 + 9 H2O = [Er(H2O)9]Cl3
Pb(OH)2 + NaOH = Na + Pb(OH)4 =>
Pb(OH)2 + 2 NaOH = 2 Na + Pb(OH)4
K2CO3 + Ca(Cl)2 = KCl + CaCO3 =>
K2CO3 + Ca(Cl)2 = 2 KCl + CaCO3
CaBr2 + KOH = Ca(OH)2 + KBr =>
CaBr2 + 2 KOH = Ca(OH)2 + 2 KBr
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
KHCO3 + HNO3 = KNO3 + H2O + CO2 =>
KHCO3 + HNO3 = KNO3 + H2O + CO2
Ni + NaCl = Ni(NaCl) =>
Ni + NaCl = Ni(NaCl)
Cd + NiO2 + H2O = Cd(OH)2 + Ni(OH)2 =>
Cd + NiO2 + 2 H2O = Cd(OH)2 + Ni(OH)2
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Ni + NaCl = Ni(NaCl) =>
Ni + NaCl = Ni(NaCl)
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