Équations équilibrées la veille |
13 C4H8O2 + 20 NaHCO3 = 10 C4H8(COONa)2 + 22 H2O + 12 CO2
NH3 + O2 = NO2 + H2O(water) =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O(water)
Al(OH)3 + NaOH = Na[Al(OH)4] =>
Al(OH)3 + NaOH = Na[Al(OH)4]
HI + AgOH = H2O + IAg =>
HI + AgOH = H2O + IAg
U + Na2O7 = Na2U2O7 =>
2 U + Na2O7 = Na2U2O7
KMnO4 + HCl = K2(MnCl5)(H2O) + Cl2 + H2O + MnCl2 =>
4 KMnO4 + 32 HCl = 2 K2(MnCl5)(H2O) + 9 Cl2 + 14 H2O + 2 MnCl2
NaCN + HNO3 = HCNNaNO3 =>
NaCN + HNO3 = HCNNaNO3
C5H10 + Na = C5H10Na =>
C5H10 + Na = C5H10Na
KClO3 + Zn + NaOH = Na2Zn2O2 + KCl + H2O =>
KClO3 + 6 Zn + 6 NaOH = 3 Na2Zn2O2 + KCl + 3 H2O
Al + NaHCO3 + H2O = Na[Al(OH)4] + CO2 + H2 =>
2 Al + 2 NaHCO3 + 6 H2O = 2 Na[Al(OH)4] + 2 CO2 + 3 H2
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
Na2[Zn(OH)4] = Zn(OH)2 + Na2O + H2O =>
Na2[Zn(OH)4] = Zn(OH)2 + Na2O + H2O
K2Cr2O7 + H2C2O4*2H2O + K2C2O4*H2O = K3Cr(C2O4)3 + H2O + CO2 =>
K2Cr2O7 + 7 H2C2O4*2H2O + 2 K2C2O4*H2O = 2 K3Cr(C2O4)3 + 23 H2O + 6 CO2
Cu2(OH)2CO3 + C6H8O7 = Cu2(C6H5O7) + CO2 + H2O =>
18 Cu2(OH)2CO3 + 19 C6H8O7 = 18 Cu2(C6H5O7) + 24 CO2 + 49 H2O
KC1O4 + KC1 = KC1O3 =>
3 KC1O4 + KC1 = 4 KC1O3
CH3CH2CH2OH + Cr2O7{-2} + H{+} = CH3CH2COOH + Cr{3+} + H2O =>
3 CH3CH2CH2OH + 2 Cr2O7{-2} + 16 H{+} = 3 CH3CH2COOH + 4 Cr{3+} + 11 H2O
BaCl2 + K4[Fe(CN)6] + NH4Cl = Ba(NH4)2[Fe(CN)6] + KCl =>
BaCl2 + K4[Fe(CN)6] + 2 NH4Cl = Ba(NH4)2[Fe(CN)6] + 4 KCl
H2CO3 + SrOH2 = SrCO3 + H4O =>
H2CO3 + SrOH2 = SrCO3 + H4O
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
(NH4)2SO4 + Na2O = Na2SO4 + H2O + NH3 =>
(NH4)2SO4 + Na2O = Na2SO4 + H2O + 2 NH3
NaHCO3 + CaCl2 = NaCl + CO2 + CaCO3 + H2O =>
2 NaHCO3 + CaCl2 = 2 NaCl + CO2 + CaCO3 + H2O
NH2CONH2 + H2O = CO2 + NH4OH =>
NH2CONH2 + 3 H2O = CO2 + 2 NH4OH
FeCl3 + KCN = FeK + Cl3CN =>
FeCl3 + KCN = FeK + Cl3CN
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
K4Fe(SCN)6 + K2Cr2O7 + H2SO4 = K2SO3 + Fe2(SO4)3 + Cr2(SO4)3 + HNO3 + CO + H2O =>
8 K4Fe(SCN)6 + 81 K2Cr2O7 + 304 H2SO4 = 97 K2SO3 + 4 Fe2(SO4)3 + 81 Cr2(SO4)3 + 48 HNO3 + 48 CO + 280 H2O
Hg + O2 = HgO = =>
2 Hg + O2 = 2 HgO
S7Cl3 = Cl + S =>
S7Cl3 = 3 Cl + 7 S
Na2CO3 + HI = H2CO3 + NaI =>
Na2CO3 + 2 HI = H2CO3 + 2 NaI
PbS + HNO3 = NO2 + S + PbNO3 + H2O =>
PbS + 2 HNO3 = NO2 + S + PbNO3 + H2O
CH4 + NH3 = CH3NH4 =>
CH4 + NH3 = CH3NH4
Sr + HBr = Sr4HBr =>
4 Sr + HBr = Sr4HBr
Zn(s) + Cu(NO3)2 = Zn(NO3) + Cu =>
2 Zn(s) + Cu(NO3)2 = 2 Zn(NO3) + Cu
AgNO3 + NH3 = NH3NO3 + Ag = I{-} =>
AgNO3 + NH3 = NH3NO3 + Ag
Al + Au(NO3) = Al(NO3)3 + Au =>
Al + 3 Au(NO3) = Al(NO3)3 + 3 Au
Sn(OH)2 + Bi(OH)3 + KOH = K2Sn(OH)6 + Bi =>
3 Sn(OH)2 + 2 Bi(OH)3 + 6 KOH = 3 K2Sn(OH)6 + 2 Bi
Fe + Cu{+}(NO{3}){-} = Fe{2+}(NO{3}){-} + Cu =>
Fe + 2 Cu{+}(NO{3}){-} = Fe{2+}(NO{3}){-} + 2 Cu
KNO3 + C = K2CO3 + CO + N2 =>
2 KNO3 + 4 C = K2CO3 + 3 CO + N2
CH3CH2CHOHCH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2COCH3 + H2O =>
3 CH3CH2CHOHCH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2COCH3 + 7 H2O
Pb(NO3)3 + NaI = PbI + Na(NO3)3 =>
Pb(NO3)3 + NaI = PbI + Na(NO3)3
(NH4)2SO4 + CaOH2 = Ca2SO4 + NH4OH2 =>
(NH4)2SO4 + 2 CaOH2 = Ca2SO4 + 2 NH4OH2
Cu2O + Al2O3 = CuAlO2 =>
Cu2O + Al2O3 = 2 CuAlO2
KNO3 + C = K2CO3 + CO + N2 =>
2 KNO3 + 4 C = K2CO3 + 3 CO + N2
MgO + FeCl3 + H2O = Fe(OH)3 + MgCl2 =>
3 MgO + 2 FeCl3 + 3 H2O = 2 Fe(OH)3 + 3 MgCl2
CO3 + Fe2 = Fe3O + C =>
2 CO3 + 9 Fe2 = 6 Fe3O + 2 C
Na2S + H2O + SO2 = H2S + Na2SO3 =>
Na2S + H2O + SO2 = H2S + Na2SO3
KOH + H2O = KOOH + H2 = =>
KOH + H2O = KOOH + H2
NiCI2 + K2CO3 = NiCO3 + K2CI2 =>
NiCI2 + K2CO3 = NiCO3 + K2CI2
CH3CH2OH + KMnO4 + KOH = CH3COOK + H2O + K2MnO4 =>
CH3CH2OH + 4 KMnO4 + 5 KOH = CH3COOK + 4 H2O + 4 K2MnO4
Cu(NO3) + Ag = Cu + Ag(NO3)3 =>
3 Cu(NO3) + Ag = 3 Cu + Ag(NO3)3
C4H9SO + O2 = CO2 + SO2 + H2O =>
4 C4H9SO + 27 O2 = 16 CO2 + 4 SO2 + 18 H2O
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