| Équations équilibrées la veille |
2 CrO4{-2} + 3 SO3{-2} + 5 H2O = 2 Cr(OH)4{-} + 3 SO4{-2} + 2 OH{-}
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
NaAlSi2O6 + HCl + H2O = AlCl3 + NaCl + Si(OH)4 =>
NaAlSi2O6 + 4 HCl + 2 H2O = AlCl3 + NaCl + 2 Si(OH)4
Al + NiSO4 = Al2(SO4)3 + Ni =>
2 Al + 3 NiSO4 = Al2(SO4)3 + 3 Ni
Fe2 + N2 = Fe2N =>
2 Fe2 + N2 = 2 Fe2N
CH3CHOHCH2CH3 + Na2Cr2O7 + H2SO4 = CH3CH2CH2COOH + Cr2(SO4)3 + H2O + Na2SO4 =>
3 CH3CHOHCH2CH3 + 2 Na2Cr2O7 + 8 H2SO4 = 3 CH3CH2CH2COOH + 2 Cr2(SO4)3 + 11 H2O + 2 Na2SO4
C4H8Cl2 = C4H8 + Cl =>
C4H8Cl2 = C4H8 + 2 Cl
SO2 + NaBrO3 + H2O = Br2 + Na2SO4 + H2SO4 =>
5 SO2 + 2 NaBrO3 + 4 H2O = Br2 + Na2SO4 + 4 H2SO4
MgSO4 = Mg + SO4 =>
MgSO4 = Mg + SO4
C2H5OH + AlCl3 = HCl + Al(C2H5O)3 =>
3 C2H5OH + AlCl3 = 3 HCl + Al(C2H5O)3
BaHO + HSO = H2O + BaSO =>
BaHO + HSO = H2O + BaSO
Fe{+3} + NO2{-} + H2O = Fe{-2} + H{+} + NO3{-} =>
2 Fe{+3} + 5 NO2{-} + 5 H2O = 2 Fe{-2} + 10 H{+} + 5 NO3{-}
K + O2 = K2O =>
4 K + O2 = 2 K2O
AgCl(aq) + Cu(s) = Ag(s) + CuCl2(aq) =>
2 AgCl(aq) + Cu(s) = 2 Ag(s) + CuCl2(aq)
Mg3N2 + H2SO4 = MgSO4 + (NH4)2SO4 =>
Mg3N2 + 4 H2SO4 = 3 MgSO4 + (NH4)2SO4
Ca(NO3)2 + Al(BrO)3 = Ca(BrO)2 + Al(NO3)3 =>
3 Ca(NO3)2 + 2 Al(BrO)3 = 3 Ca(BrO)2 + 2 Al(NO3)3
Mg3N2 = Mg + N2 =>
Mg3N2 = 3 Mg + N2
Fe2{+} + Cr2O7 + H = Fe3{+} + Cr3{+} + H2O =>
6 Fe2{+} + 3 Cr2O7 + 42 H = 4 Fe3{+} + 2 Cr3{+} + 21 H2O
Mg3N2 + HCl = MgCl2 + NH4Cl =>
Mg3N2 + 8 HCl = 3 MgCl2 + 2 NH4Cl
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
H2 + (NO3) = HNO3 =>
H2 + 2(NO3) = 2 HNO3
NaSH + HCl = NaCl + H2S =>
NaSH + HCl = NaCl + H2S
*05AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2*05AgNO3 + 5 CaCl2 = 10 AgCl + 5 Ca(NO3)2
HNO3 + HI = NO2 + HIO3 + H2 =>
6 HNO3 + 2 HI = 6 NO2 + 2 HIO3 + 3 H2
CrCl3(aq) + HF(aq) = CrF3(aq) + HCl(aq) =>
CrCl3(aq) + 3 HF(aq) = CrF3(aq) + 3 HCl(aq)
NaCHO2 = Na2CO + CO2 + H2O =>
2 NaCHO2 = Na2CO + CO2 + H2O
Cu(OH)2 + Br2 + NaOH = NaCu(OH)4 + NaBr =>
2 Cu(OH)2 + Br2 + 4 NaOH = 2 NaCu(OH)4 + 2 NaBr
Cu3PO4 + HCl = Cu3H + PO4Cl =>
Cu3PO4 + HCl = Cu3H + PO4Cl
CH3C2H5NH + O2 = N2 + CO2 + H2O =>
4 CH3C2H5NH + 21 O2 = 2 N2 + 12 CO2 + 18 H2O
NH3 + KMnO4 + KOH = N2 + K2MnO4 + HOH =>
2 NH3 + 6 KMnO4 + 6 KOH = N2 + 6 K2MnO4 + 6 HOH
Mg + ZnCl2 = MgCl2 + Zn =>
Mg + ZnCl2 = MgCl2 + Zn
[Cr(H2O)6]{3+} + OH{-} = CrO(OH) + H2O =>
[Cr(H2O)6]{3+} + 3 OH{-} = CrO(OH) + 7 H2O
MnO4{-} + H{+} + SO3{2-} = Mn{2+} + SO4{2+} + H2O =>
6 MnO4{-} + 38 H{+} + 5 SO3{2-} = 6 Mn{2+} + 5 SO4{2+} + 19 H2O
MnF2 + N2 = Mn3N4 + F2 =>
3 MnF2 + 2 N2 = Mn3N4 + 3 F2
HNO2 + NH4OH = NO2NH4 + H2O =>
HNO2 + NH4OH = NO2NH4 + H2O
PbCr2O4 + Pb(OH)2 = Pb2Cr2O5 + H2O =>
PbCr2O4 + Pb(OH)2 = Pb2Cr2O5 + H2O
P4S3 + HNO3 = H3PO4 + SO2 + H2O + NO2 =>
P4S3 + 32 HNO3 = 4 H3PO4 + 3 SO2 + 10 H2O + 32 NO2
CrO4{2-} + CN{-} + H2O = Cr{3+} + OCN{-} + OH{-} =>
2 CrO4{2-} + 3 CN{-} + 5 H2O = 2 Cr{3+} + 3 OCN{-} + 10 OH{-}
KClO3 + Sb2S5 = KCl + Sb + SO2 =>
10 KClO3 + 3 Sb2S5 = 10 KCl + 6 Sb + 15 SO2
Zn + Cu(NO3)2 = ZnNO3 + Cu =>
2 Zn + Cu(NO3)2 = 2 ZnNO3 + Cu
Mg3N2 + H2O = MgO + NH3 =>
Mg3N2 + 3 H2O = 3 MgO + 2 NH3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
Cr(OH)3 + NaOH = NaCrO2 + H2O =>
Cr(OH)3 + NaOH = NaCrO2 + 2 H2O
ZnO + NH4H2PO4 = Zn2P2O7 + NH3 + H2O =>
2 ZnO + 2 NH4H2PO4 = Zn2P2O7 + 2 NH3 + 3 H2O
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
H3PO4 + Ca(OH)2 = Ca3(PO4)2(s) + H2O(l) =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2(s) + 6 H2O(l)
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
FeCl2 + K2Cr2O7 + HCl = FeCl3 + KCl + CrCl2 + H2O =>
8 FeCl2 + K2Cr2O7 + 14 HCl = 8 FeCl3 + 2 KCl + 2 CrCl2 + 7 H2O
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