Équations équilibrées la veille |
Na2B4O7 + 11 H2O = 2 Na + 4 B(OH)4 + 2 H3O
NaHCO3 + C9H10O2 = NaC7H5O4 + C3H5OH =>
NaHCO3 + C9H10O2 = NaC7H5O4 + C3H5OH
CaF2 = Ca2 + F2 =>
2 CaF2 = Ca2 + 2 F2
As + ClO{-} + H{+} = As2O3 + HCl =>
2 As + 3 ClO{-} + 3 H{+} = As2O3 + 3 HCl
KOH + NH4Br = KH4Br + NOH =>
KOH + NH4Br = KH4Br + NOH
Cr(OH)3 + HNO3 = Cr(NO3) + H(OH)3 =>
Cr(OH)3 + HNO3 = Cr(NO3) + H(OH)3
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
K + HNO3 = KNO3 + NH3 + H2O =>
8 K + 9 HNO3 = 8 KNO3 + NH3 + 3 H2O
Rb + K3PO4 = Rb3PO4 + K =>
3 Rb + K3PO4 = Rb3PO4 + 3 K
Ca + H2O = CaH2O2 + H2 =>
Ca + 2 H2O = CaH2O2 + H2
Fe3(SO4)3 + Pb = Pb2(SO4)2 + Fe =>
2 Fe3(SO4)3 + 6 Pb = 3 Pb2(SO4)2 + 6 Fe
C31 + H64 = CH =>
64 C31 + 31 H64 = 1984 CH
[Co(NO3)2]6H2O + NaNO2 + NO2 = Na3[Co(NO2)6] + NaNO3 + H2O =>
[Co(NO3)2]6H2O + 30 NaNO2 + 6 NO2 = 6 Na3[Co(NO2)6] + 12 NaNO3 + H2O
Ag(NO3) + HCl = AgCl + HNO3 =>
Ag(NO3) + HCl = AgCl + HNO3
Cr + (OH)2 = Cr2O3 + H2O =>
2 Cr + 3(OH)2 = Cr2O3 + 3 H2O
C6H6N2O2 + O2 = NO3 + CO2 + H2O =>
2 C6H6N2O2 + 19 O2 = 4 NO3 + 12 CO2 + 6 H2O
AlCl3 + NH4OH = NH4Cl + Al(OH)3 =>
AlCl3 + 3 NH4OH = 3 NH4Cl + Al(OH)3
Fe(OH)2 + Br2 + KOH = Fe2O3 + KBr + H2O =>
2 Fe(OH)2 + Br2 + 2 KOH = Fe2O3 + 2 KBr + 3 H2O
Zn(NO3)2 + NH3 = Zn(OH)2 + HNO3 + N2O =>
Zn(NO3)2 + NH3 = Zn(OH)2 + HNO3 + N2O
CaCO3(s) + HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Zr + SiO2 = ZrO2 + ZrSi =>
2 Zr + SiO2 = ZrO2 + ZrSi
TsCl + NaBr = NaCl + TsBr =>
TsCl + NaBr = NaCl + TsBr
C2H4 + KMnO4 + H2O + H2SO4 = C2H4(OH)2 + K2SO4 + MnSO4 =>
5 C2H4 + 2 KMnO4 + 2 H2O + 3 H2SO4 = 5 C2H4(OH)2 + K2SO4 + 2 MnSO4
Li2CO3 + Ba(CN)2 = Li2(CN)2 + BaCO3 =>
Li2CO3 + Ba(CN)2 = Li2(CN)2 + BaCO3
C4H9OH + CH3COOH = CH3COOC5H11 + H2O =>
5 C4H9OH + 4 CH3COOH = 4 CH3COOC5H11 + 5 H2O
Na + Cl = NaCl =>
Na + Cl = NaCl
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
Zn(HO)2 + H2 = Zn + H2O =>
Zn(HO)2 + H2 = Zn + 2 H2O
Mg + Fe2Cl6 = Fe + MgCl2 =>
3 Mg + Fe2Cl6 = 2 Fe + 3 MgCl2
NH2CH2COOH + CH3CH(NH2)COOH = H2O + NH2CH2CONHCH(CH3)COOH =>
NH2CH2COOH + CH3CH(NH2)COOH = H2O + NH2CH2CONHCH(CH3)COOH
Fe(NO3)5 + NaCl = FeCl5 + NaNO3 =>
Fe(NO3)5 + 5 NaCl = FeCl5 + 5 NaNO3
C13H10 + O2 = CO2 + H2O =>
2 C13H10 + 31 O2 = 26 CO2 + 10 H2O
AlCl3 + NaHS + H2O = Al(OH)3 + NaCl + H2S =>
AlCl3 + 3 NaHS + 3 H2O = Al(OH)3 + 3 NaCl + 3 H2S
CuSO4 + H2O + NH4 = CuSO4NH4H2O =>
CuSO4 + H2O + NH4 = CuSO4NH4H2O
Na2N3 + KNO3 = K2O + Na2O + N2 =>
10 Na2N3 + 4 KNO3 = 2 K2O + 10 Na2O + 17 N2
As + O2 = As2O3 =>
4 As + 3 O2 = 2 As2O3
Ba + CuCl = BaCl + Cu =>
Ba + CuCl = BaCl + Cu
C2H4O2 + Na(OH) = H2O + Na(C2H3O2) =>
C2H4O2 + Na(OH) = H2O + Na(C2H3O2)
As2O5 = As + O2 =>
2 As2O5 = 4 As + 5 O2
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
Zn + Fe(SO4) = Zn(SO4) + Fe =>
Zn + Fe(SO4) = Zn(SO4) + Fe
CuCl + CH4N2S = Cu(CH4N2S)Cl =>
CuCl + CH4N2S = Cu(CH4N2S)Cl
Mn2{+} + IO4{-} + H2O = MnO4{-} + IO3{-} + H{+} =>
2 Mn2{+} + 13 IO4{-} + 3 H2O = 4 MnO4{-} + 13 IO3{-} + 6 H{+}
CH3COOH + O2 = H20(water) + CO2 =>
5 CH3COOH + 5 O2 = H20(water) + 10 CO2
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
S6 + KOH = K2S + K2SO3 + H2O =>
S6 + 12 KOH = 4 K2S + 2 K2SO3 + 6 H2O
(NH4)2Na[Rh(NO2)6] + H2SO4 = (NH4)2[Rh(NO)(NO2)4(OH)] + Na2SO4 + NO2 =>
2(NH4)2Na[Rh(NO2)6] + H2SO4 = 2(NH4)2[Rh(NO)(NO2)4(OH)] + Na2SO4 + 2 NO2
Zn(NH3)4(OH)2 = OH + Zn(NH3)4OH =>
Zn(NH3)4(OH)2 = OH + Zn(NH3)4OH
BaS + PtCl2 = BaCl2 + PtS =>
BaS + PtCl2 = BaCl2 + PtS
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