| Équations équilibrées la veille |
2 HCOOH + 2 CaO = 2 HCOOCaO + H2
C3H8O + NaOBr = NaCBr + H2O =>
C3H8O + 3 NaOBr = 3 NaCBr + 4 H2O
C2H6O + CrO3 + H2SO4 = CH3CH2CH2CHO + H2O + Cr2(SO4)3 =>
6 C2H6O + 2 CrO3 + 3 H2SO4 = 3 CH3CH2CH2CHO + 9 H2O + Cr2(SO4)3
H + H3PO4 + K2Cr2O7 = CrPO4 + K3PO4 + H2O =>
18 H + 8 H3PO4 + 3 K2Cr2O7 = 6 CrPO4 + 2 K3PO4 + 21 H2O
SiC + Mg = Mg2Si + C =>
SiC + 2 Mg = Mg2Si + C
Cr2O7{-2} + S{-2} + H3O{+} = Cr{+3} + S + H2O =>
Cr2O7{-2} + 3 S{-2} + 14 H3O{+} = 2 Cr{+3} + 3 S + 21 H2O
Na3PO4 + MgCl2 = NaCl + Mg3(PO4)2 =>
2 Na3PO4 + 3 MgCl2 = 6 NaCl + Mg3(PO4)2
Al + NaOCl + Cu = NaOAl + ClCu =>
Al + NaOCl + Cu = NaOAl + ClCu
C6H10O4 + NaHCO3 = CO2H2ONaC6H9O4 =>
C6H10O4 + NaHCO3 = CO2H2ONaC6H9O4
Mg + H2SO4 = H2 + (MgSO4)2 =>
2 Mg + 2 H2SO4 = 2 H2 + (MgSO4)2
R + S = RS =>
R + S = RS
Al2Br6 + Cl2 = AlCl3 + Br2 =>
Al2Br6 + 3 Cl2 = 2 AlCl3 + 3 Br2
KMnO4 + Fe + H2SO4 = FeSO4 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 Fe + 8 H2SO4 = 5 FeSO4 + 2 MnSO4 + K2SO4 + 8 H2O
Ni{2+} + e = Ni =>
Ni{2+} + 2e = Ni
NaCl + CuSO4 = NaCu + ClSO4 =>
NaCl + CuSO4 = NaCu + ClSO4
CaAl2Si4O8(OH)8 + H2O = Ca + Al + H4SiO4 + OH =>
CaAl2Si4O8(OH)8 + 8 H2O = Ca + 2 Al + 4 H4SiO4 + 8 OH
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
AgCl + AgNo3 = Ag + ClNo =>
3 AgCl + AgNo3 = 4 Ag + 3 ClNo
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ba(HO)2 = BaO + H2O =>
Ba(HO)2 = BaO + H2O
ZnCu + HCl = ZnCl2 + H + Cu =>
ZnCu + 2 HCl = ZnCl2 + 2 H + Cu
Mg(HCO3)2 + Ba(OH)2 = BaCO3 + Mg(OH)2 + H2O =>
Mg(HCO3)2 + 2 Ba(OH)2 = 2 BaCO3 + Mg(OH)2 + 2 H2O
H3BO3 + CuSO4 = Cu3(BO3)2 + H2SO4 =>
2 H3BO3 + 3 CuSO4 = Cu3(BO3)2 + 3 H2SO4
Cu + MgCl2 = CuCl + Mg2 =>
4 Cu + 2 MgCl2 = 4 CuCl + Mg2
Ca3[PO4]2 + Al2[SO4]3 = CaSO4 + AlPO4 =>
Ca3[PO4]2 + Al2[SO4]3 = 3 CaSO4 + 2 AlPO4
H3BO3 + CuSO4 = Cu3(BO3)2 + H2SO4 =>
2 H3BO3 + 3 CuSO4 = Cu3(BO3)2 + 3 H2SO4
Na(s) + HNO3(aq) = Na2(NO3) + H2 =>
4 Na(s) + 2 HNO3(aq) = 2 Na2(NO3) + H2
H3BO3 + CuSO4 = Cu3(BO3)2 + H2SO4 =>
2 H3BO3 + 3 CuSO4 = Cu3(BO3)2 + 3 H2SO4
BaO + CuSO4 = BaSO4 + CuO =>
BaO + CuSO4 = BaSO4 + CuO
Zn(CN)2 = Zn + CN =>
Zn(CN)2 = Zn + 2 CN
Na2O2 + HI = I2 + NaI + H2O =>
Na2O2 + 4 HI = I2 + 2 NaI + 2 H2O
HCl + K2O = KOH + KCl =>
HCl + K2O = KOH + KCl
MgO + OCl = MgCl + O =>
MgO + OCl = MgCl + 2 O
Al(s) + H2S(aq) = AlS + H2 =>
Al(s) + H2S(aq) = AlS + H2
(CH4)85(CO2)15 + O2 = CO2 + H2O =>
(CH4)85(CO2)15 + 170 O2 = 100 CO2 + 170 H2O
HClO4 + BaOH2 = HH2O + BaClO4 =>
HClO4 + BaOH2 = HH2O + BaClO4
Ca + SrC2 = C + CaSr =>
Ca + SrC2 = 2 C + CaSr
K3N + CuSO4 + H2O = [Cu(NH3)4]SO4 + KOH =>
4 K3N + CuSO4 + 12 H2O = [Cu(NH3)4]SO4 + 12 KOH
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
H3BO3 + CuSO4 = Cu3(BO3)2 + H2SO4 =>
2 H3BO3 + 3 CuSO4 = Cu3(BO3)2 + 3 H2SO4
NaOH + Fe2(CO3)3 = Na2(CO3) + Fe(OH)3 =>
6 NaOH + Fe2(CO3)3 = 3 Na2(CO3) + 2 Fe(OH)3
Al + Cu2(SO4)2 + H2O = Al2(SO4)3 + Cu1O + H2 =>
4 Al + 3 Cu2(SO4)2 + 6 H2O = 2 Al2(SO4)3 + 6 Cu1O + 6 H2
C6H5NH3{+} + H2O = C6H5NH2 + H3O{+} =>
C6H5NH3{+} + H2O = C6H5NH2 + H3O{+}
Ag(NH3)2 + KI = [Ag(NH3)2]I + K =>
Ag(NH3)2 + KI = [Ag(NH3)2]I + K
Co3(C6H5O7)2*6H2O + FeC6H5O7*H2O + O2 = CoFe2O4(C6H5O7)2 + H2O + CO2 =>
2 Co3(C6H5O7)2*6H2O + 12 FeC6H5O7*H2O + 27 O2 = 6 CoFe2O4(C6H5O7)2 + 34 H2O + 24 CO2
C3H3F3 + HCl = C3H4F3Cl =>
C3H3F3 + HCl = C3H4F3Cl
Ba(HS)2 + H2O + Cl2 = BaSO4 + HCl + H2SO4 =>
Ba(HS)2 + 8 H2O + 8 Cl2 = BaSO4 + 16 HCl + H2SO4
MnSO4 + TiCl3 + H2O = TiSO4 + MnO2 + HCl + MnCl2 =>
2 MnSO4 + 2 TiCl3 + 2 H2O = 2 TiSO4 + MnO2 + 4 HCl + MnCl2
Bi(NO3)3 + Pb = Bi + Pb(NO3)2 =>
2 Bi(NO3)3 + 3 Pb = 2 Bi + 3 Pb(NO3)2
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