Équations équilibrées la veille |
Ag(NO3)H2 = H2(NO3)Ag
P2 + S = PS =>
P2 + 2 S = 2 PS
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
NH4N(NO2)2 = N2 + O2 + H2O =>
NH4N(NO2)2 = 2 N2 + O2 + 2 H2O
H2SO3(aq)NH3(aq) = NH4HSO3 =>
H2SO3(aq)NH3(aq) = NH4HSO3
CuCl2 + NH3 = [Cu(NH3)2]Cl2 =>
CuCl2 + 2 NH3 = [Cu(NH3)2]Cl2
Ba(OH)2 + KHP = Ba(KP)2 + H2O =>
Ba(OH)2 + 2 KHP = Ba(KP)2 + 2 H2O
NH3OHCl + FeCl3 = FeCl2 + HCl + H2O + N =>
NH3OHCl + FeCl3 = FeCl2 + 2 HCl + H2O + N
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
ZnBr2 + K2CO3 = ZnCO3 + KBr =>
ZnBr2 + K2CO3 = ZnCO3 + 2 KBr
Ag(s) + Pb(s) = PbAg2 =>
2 Ag(s) + Pb(s) = PbAg2
KReO4 + HBr + H3PO2 = K2Re2Br8 + H2O + H3PO4 =>
2 KReO4 + 8 HBr + 2 H3PO2 = K2Re2Br8 + 4 H2O + 2 H3PO4
Ni(NO3)2(aq) + NaOH(aq) = Ni(OH)2(s) + NaNO3(aq) =>
Ni(NO3)2(aq) + 2 NaOH(aq) = Ni(OH)2(s) + 2 NaNO3(aq)
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
C6H5CHCH2 + NaOH = C8H8ONa + H2 =>
2 C6H5CHCH2 + 2 NaOH = 2 C8H8ONa + H2
Cr2(SO3)3 + HCl = CrCl3 + SO2 + H2O =>
Cr2(SO3)3 + 6 HCl = 2 CrCl3 + 3 SO2 + 3 H2O
B2H6 + BeCH3 = B(CH3)3 + BeBH4 =>
2 B2H6 + 3 BeCH3 = B(CH3)3 + 3 BeBH4
AgCl3(aq) + K3PO4(aq) = K3Cl3(aq) + AgPO4(s) =>
AgCl3(aq) + K3PO4(aq) = K3Cl3(aq) + AgPO4(s)
HNO3 + CH3COOK = KNO3 + CH3COOH =>
HNO3 + CH3COOK = KNO3 + CH3COOH
CaO(s) + H2O(l) = Ca(OH)2(aq) =>
CaO(s) + H2O(l) = Ca(OH)2(aq)
NaOH + (NH4)NO3 = NaNO3 + H2O + NH3 =>
NaOH + (NH4)NO3 = NaNO3 + H2O + NH3
WO3 + H2 = W3 + H2O =>
3 WO3 + 9 H2 = W3 + 9 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Ag(NO3)2Ni = Ni(NO3)2Ag =>
Ag(NO3)2Ni = Ni(NO3)2Ag
KI + CI2 = KCI + I2 =>
KI + CI2 = KCI + I2
FeCl2 + Co = CoCl2 + Fe =>
FeCl2 + Co = CoCl2 + Fe
BaCO3 + KOH = KCO3 + BaO + H2 =>
2 BaCO3 + 2 KOH = 2 KCO3 + 2 BaO + H2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
K2SO4 + (CH3COO)2Ba = BaSO4 + CH3COOK =>
K2SO4 + (CH3COO)2Ba = BaSO4 + 2 CH3COOK
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
NH4SCN + Hg(NO3)2 = (NH4)2[Hg(SCN)4] + NH4NO3 =>
4 NH4SCN + Hg(NO3)2 = (NH4)2[Hg(SCN)4] + 2 NH4NO3
FeTiO3 + H2SO4 = Ti2O3 + Fe2(SO4)3 + H2O =>
2 FeTiO3 + 3 H2SO4 = Ti2O3 + Fe2(SO4)3 + 3 H2O
CH3CH2OH + CuO = CH2COH + Cu + H2O =>
2 CH3CH2OH + 3 CuO = 2 CH2COH + 3 Cu + 3 H2O
FeCl2 + H2O2 = FeCl3 + Fe(OH)2 =>
3 FeCl2 + H2O2 = 2 FeCl3 + Fe(OH)2
F2 + NaOH = NaF + OF2 + H2O =>
2 F2 + 2 NaOH = 2 NaF + OF2 + H2O
FeCl3 + K2C2O4*H2O = KCl + K5Fe(C2O4)4*4H2O =>
FeCl3 + 4 K2C2O4*H2O = 3 KCl + K5Fe(C2O4)4*4H2O
CaCl2 + Na3BO3 = CaBO3 + Na3Cl2 =>
CaCl2 + Na3BO3 = CaBO3 + Na3Cl2
MnO2 + Al2 = AlO3 + Mn2 =>
6 MnO2 + 2 Al2 = 4 AlO3 + 3 Mn2
B2O3 + C02 = B4C3(s) + CO2(g) =>
2 B2O3 + 3 C02 = B4C3(s) + 3 CO2(g)
HCOOH + Fe2O3 = (HCOO)3Fe + H2O =>
6 HCOOH + Fe2O3 = 2(HCOO)3Fe + 3 H2O
K + Na2HPO4 = Na + K2HPO4 =>
2 K + Na2HPO4 = 2 Na + K2HPO4
Mn(OH)2 + H2O2 = Mn2O3 + H2O =>
2 Mn(OH)2 + H2O2 = Mn2O3 + 3 H2O
NO + CaO = Ca + NO2 =>
NO + CaO = Ca + NO2
Zn + BaO = ZnO + Ba =>
Zn + BaO = ZnO + Ba
MnO4{-}(aq) + H2C2O4(aq) + H{+}(aq) = Mn{2+}(aq) + CO2(g) + H2O(l) =>
2 MnO4{-}(aq) + 5 H2C2O4(aq) + 6 H{+}(aq) = 2 Mn{2+}(aq) + 10 CO2(g) + 8 H2O(l)
CHCH + KMnO4 + H2O = HOOCCOOH + MnO2 + KOH =>
3 CHCH + 8 KMnO4 + 4 H2O = 3 HOOCCOOH + 8 MnO2 + 8 KOH
Na + Zn(NO3)2 = Zn + Na(NO3)2 =>
Na + Zn(NO3)2 = Zn + Na(NO3)2
NH4Cl + NaOH = H2O + NH3 + NaCl(aq) =>
NH4Cl + NaOH = H2O + NH3 + NaCl(aq)
Cu + FeCl3 = CuCl2 + Fe =>
3 Cu + 2 FeCl3 = 3 CuCl2 + 2 Fe
Na + CO2 = NaO2 + C =>
Na + CO2 = NaO2 + C
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