| Équations équilibrées la veille |
2 Cu + Ca(NO3)2 = 2 Cu(NO3) + Ca
Hg2O2 = Hg + O2 =>
Hg2O2 = 2 Hg + O2
HCl + H2O + Mg = H3O + MgCl =>
HCl + H2O + Mg = H3O + MgCl
Pb(C2H3O2)2 + Na2SO4 = Pb(SO4) + Na(C2H3O2) =>
Pb(C2H3O2)2 + Na2SO4 = Pb(SO4) + 2 Na(C2H3O2)
MnCl2 + HNO3 = Mn(NO3)2 + HCl =>
MnCl2 + 2 HNO3 = Mn(NO3)2 + 2 HCl
(Cu(OH))2SO4 + NaCl = CuCl2 + Na2SO4 + NaOH =>
(Cu(OH))2SO4 + 4 NaCl = 2 CuCl2 + Na2SO4 + 2 NaOH
Fe(C2H3O2)3 + Na(CO3) = Fe(CO3)3 + Na(C2H3O2) =>
Fe(C2H3O2)3 + 3 Na(CO3) = Fe(CO3)3 + 3 Na(C2H3O2)
NaOH + Ba = BaO + H2 + Na =>
2 NaOH + 2 Ba = 2 BaO + H2 + 2 Na
SiO3 + HOH = H2SiO3 + OH =>
SiO3 + 2 HOH = H2SiO3 + 2 OH
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
CaCO3 + Na2EDTA = Ca(EDTA) + Na2CO3 =>
CaCO3 + Na2EDTA = Ca(EDTA) + Na2CO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H3PO4 = H4P2O7(aq) + H2O =>
2 H3PO4 = H4P2O7(aq) + H2O
Pb(C2H3O2)2 + (NH4)2(SO4) = PbSO4 + NH4(C2H3O2) =>
Pb(C2H3O2)2 + (NH4)2(SO4) = PbSO4 + 2 NH4(C2H3O2)
K + F2 = KF =>
2 K + F2 = 2 KF
ClF9 + U = UF6 + ClF =>
3 ClF9 + 4 U = 4 UF6 + 3 ClF
MnO4 + H2Se + H{+} = Se + Mn2{+} + H2O =>
4 MnO4 + 15 H2Se + 2 H{+} = 15 Se + 2 Mn2{+} + 16 H2O
H2S + CaO2H2 = CaS + H2O =>
H2S + CaO2H2 = CaS + 2 H2O
KIO3 + Mn3O4 + K(OH) = KMnO4 + KI + H2O =>
13 KIO3 + 6 Mn3O4 + 18 K(OH) = 18 KMnO4 + 13 KI + 9 H2O
KOH + Fe(NO3)3 = K(NO3) + Fe + OH =>
3 KOH + Fe(NO3)3 = 3 K(NO3) + Fe + 3 OH
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
KI + H2SO4 + Na2[B2(O2)2(OH)4] = K2SO4 + I2 + NaH + B2 + H2O =>
14 KI + 7 H2SO4 + Na2[B2(O2)2(OH)4] = 7 K2SO4 + 7 I2 + 2 NaH + B2 + 8 H2O
[Co(NH3)4CO3]NO3 + NH3 + HCl = [Co(NH3)5Cl]Cl2 + CO2 + H2O + NH4NO3 =>
[Co(NH3)4CO3]NO3 + 2 NH3 + 3 HCl = [Co(NH3)5Cl]Cl2 + CO2 + H2O + NH4NO3
KH2PO4 + Ba(OH)2 = KBaPO4 + H2O =>
KH2PO4 + Ba(OH)2 = KBaPO4 + 2 H2O
Na2CO3(aq) + Ba(NO3)2(aq) = Na2(NO3)2(aq) + CO3Ba(aq) =>
Na2CO3(aq) + Ba(NO3)2(aq) = Na2(NO3)2(aq) + CO3Ba(aq)
Rb + (CH3CO2H) = Rb(C2H3O2) + H2 =>
2 Rb + 2(CH3CO2H) = 2 Rb(C2H3O2) + H2
Na2O2 + C = CO2 + Na =>
Na2O2 + C = CO2 + 2 Na
Mg + H2(CO3) = Mg(CO3) + H2 =>
Mg + H2(CO3) = Mg(CO3) + H2
(COOH)2 + Ca(NO3)2 = Ca(COO)2 + HNO3 =>
(COOH)2 + Ca(NO3)2 = Ca(COO)2 + 2 HNO3
Mg(NO3)2 + Ba3(PO4)2 + H2O = Mg(OH)2 + Ba(NO3)2 + H3PO4 =>
3 Mg(NO3)2 + Ba3(PO4)2 + 6 H2O = 3 Mg(OH)2 + 3 Ba(NO3)2 + 2 H3PO4
CUSO4 + Al = CU + Al2(SO4)3 =>
3 CUSO4 + 2 Al = 3 CU + Al2(SO4)3
Zn + Al(SO4)3 = Al + Zn(SO4)3 =>
Zn + Al(SO4)3 = Al + Zn(SO4)3
FeMn + SiC = FeSiMn + C =>
FeMn + SiC = FeSiMn + C
C = C2 =>
2 C = C2
NaBH4 + H2O + CH2O = CH3OH + NaOH + B =>
2 NaBH4 + 2 H2O + 5 CH2O = 5 CH3OH + 2 NaOH + 2 B
NH4NO3 + CH2O + H2O = HCO2H + NH4 =>
NH4NO3 + 5 CH2O + 2 H2O = 5 HCO2H + 2 NH4
Fe + H2C2O4 = Fe(C2O4) + H =>
Fe + H2C2O4 = Fe(C2O4) + 2 H
KMnO4 + HCl + SbCl3 = KCl + H2O + MnCl2 + H[SbCl6] =>
2 KMnO4 + 21 HCl + 5 SbCl3 = 2 KCl + 8 H2O + 2 MnCl2 + 5 H[SbCl6]
C3H4O3 = C + H + O =>
C3H4O3 = 3 C + 4 H + 3 O
C17H33COOH + Cl2 = C17H33COOCl + H2 =>
2 C17H33COOH + Cl2 = 2 C17H33COOCl + H2
Cu + (NO3)2 + NaOH = CuOH + NaNO3 =>
2 Cu + (NO3)2 + 2 NaOH = 2 CuOH + 2 NaNO3
NH4Cl + H2O = HCl + NH4OH = =>
NH4Cl + H2O = HCl + NH4OH
NaOH + ZnO + H2SO4 + MnCO3 = Na200Zn98Mn2(SO4)200 + H2O + CO2 =>
200 NaOH + 98 ZnO + 200 H2SO4 + 2 MnCO3 = Na200Zn98Mn2(SO4)200 + 300 H2O + 2 CO2
Na2CO3 + SiO2 + NiCO3*2Ni(OH)2*4H2O + Fe2O3 = Na2Ni05Fe05SiO4 + CO + O2 + H2O =>
12 Na2CO3 + 12 SiO2 + 20 NiCO3*2Ni(OH)2*4H2O + 30 Fe2O3 = 12 Na2Ni05Fe05SiO4 + 32 CO + 85 O2 + 120 H2O
S2O2O2 = SO2 =>
S2O2O2 = 2 SO2
CoCl2 + Na2CrO4 = CoCrO4 + NaCl =>
CoCl2 + Na2CrO4 = CoCrO4 + 2 NaCl
Zn + Cr2O7{-2} + H{+} = Zn{2} + Cr{3} + H2O =>
3 Zn + Cr2O7{-2} + 14 H{+} = 3 Zn{2} + 2 Cr{3} + 7 H2O
H3PO4 + Ca = Ca3(PO4) + P2O3 + H2O =>
10 H3PO4 + 12 Ca = 4 Ca3(PO4) + 3 P2O3 + 15 H2O
CoCl2 + Na2CrO4 = CoCrO4 + NaCl =>
CoCl2 + Na2CrO4 = CoCrO4 + 2 NaCl
MgCO3 + CH3COOH = MgCOOH + CO2 + H2O =>
8 MgCO3 + 3 CH3COOH = 8 MgCOOH + 6 CO2 + 2 H2O
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