| Équations équilibrées la veille |
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
CrO72{-} + Fe = Cr{3+} + Fe{3+} + O{2-} =>
3 CrO72{-} + 140 Fe = 3 Cr{3+} + 140 Fe{3+} + 216 O{2-}
NaHCO3(s) = Na2CO3 + H2CO3 =>
2 NaHCO3(s) = Na2CO3 + H2CO3
CH3CHClCH3 + H2O = HCl + CH3CHOHCH3 =>
CH3CHClCH3 + H2O = HCl + CH3CHOHCH3
CaO2 + MgCl2 = MgO2 + CaCl2 =>
CaO2 + MgCl2 = MgO2 + CaCl2
Fe(OH)3 + N2O3 = FeNO3 + H2O =>
2 Fe(OH)3 + N2O3 = 2 FeNO3 + 3 H2O
K2SO4 + LiCl = Li2SO4 + KCl =>
K2SO4 + 2 LiCl = Li2SO4 + 2 KCl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
AlK(SO4)2 + NaOH = Al(OH)3 + Na2SO4 + K2SO4 =>
2 AlK(SO4)2 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4 + K2SO4
LiOH + Al2S3 = Li2S + Al(OH)3 =>
6 LiOH + Al2S3 = 3 Li2S + 2 Al(OH)3
CrCl3 + H2SO4 = H2Cl3 + CrSO4 =>
CrCl3 + H2SO4 = H2Cl3 + CrSO4
FeS2 + NO2 = NO + SO2 + FeO3 =>
FeS2 + 7 NO2 = 7 NO + 2 SO2 + FeO3
K + MnO = K2O + Mn =>
2 K + MnO = K2O + Mn
Al + HI = AlI3 + H2 =>
2 Al + 6 HI = 2 AlI3 + 3 H2
Cs + O2 = Cs2O =>
4 Cs + O2 = 2 Cs2O
O2 + C5H12O2 = CO2 + H2O =>
7 O2 + C5H12O2 = 5 CO2 + 6 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2(aq) + BaSO4(aq) =>
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2(aq) + BaSO4(aq)
Mg(OH)2 + H2O = H3O + MgO2H =>
Mg(OH)2 + H2O = H3O + MgO2H
Li(s) + H2O(l) = H2(g) + LiO =>
Li(s) + H2O(l) = H2(g) + LiO
Fl + NaBr = NaFl + Br =>
Fl + NaBr = NaFl + Br
H2SO4 + KOH = H3O + K(SO4) =>
H2SO4 + KOH = H3O + K(SO4)
Cr + H2O = Cr3O2 + H2 =>
3 Cr + 2 H2O = Cr3O2 + 2 H2
C4H8 + H2O = C2H5OH =>
C4H8 + 2 H2O = 2 C2H5OH
Mg(s) + ZnCl2(ac) = MgCl + Zn =>
2 Mg(s) + ZnCl2(ac) = 2 MgCl + Zn
KMnO4 + Ti2(SO4)3 + H2SO4 = K2SO4 + MnSO4 + Ti(SO4)2 + H2O =>
2 KMnO4 + 5 Ti2(SO4)3 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 10 Ti(SO4)2 + 8 H2O
Al2(SO4)3(aq) + CaCl2(aq) = AlCl3(aq) + CaSO4(s) =>
Al2(SO4)3(aq) + 3 CaCl2(aq) = 2 AlCl3(aq) + 3 CaSO4(s)
Mg + HNO3(p) = Mg(NO3)2 + H2 =>
Mg + 2 HNO3(p) = Mg(NO3)2 + H2
C15H10NO + H2O2 = C15H10N + H2O3 =>
C15H10NO + H2O2 = C15H10N + H2O3
MgCl2(s) + F2(g) = MgF2(s) + Cl(g) =>
MgCl2(s) + F2(g) = MgF2(s) + 2 Cl(g)
K2MnO4 + Na2SO3 + H2O = MnO2 + K2SO4 + NaOH =>
K2MnO4 + Na2SO3 + H2O = MnO2 + K2SO4 + 2 NaOH
H3PO4 + KOH = HPO4 + H2O + K =>
H3PO4 + 2 KOH = HPO4 + 2 H2O + 2 K
Cr(OH)3 + CO2 = Cr2(CO3)3 + H2O =>
2 Cr(OH)3 + 3 CO2 = Cr2(CO3)3 + 3 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ba(NO3)2(aq) + Na2SO4(aq) = BaSO4(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaNO3(aq)
CaCl2(aq) + Na2CO3(aq) = CaCO3(s) + Na2Cl2(aq) =>
CaCl2(aq) + Na2CO3(aq) = CaCO3(s) + Na2Cl2(aq)
Si + I2 = Si2I =>
4 Si + I2 = 2 Si2I
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Fe2S3 + K2S = FeS + K2S3 =>
2 Fe2S3 + K2S = 4 FeS + K2S3
Hg(s) + SnCl2(ac) = HgCl2(ac) + Sn(s) =>
Hg(s) + SnCl2(ac) = HgCl2(ac) + Sn(s)
CdCl2 + CuS = CdS + CuCl2 =>
CdCl2 + CuS = CdS + CuCl2
mercury + bromine = HgBr2 =>
Hg + Br2 = HgBr2
Zn(s) + H3PO4(aq) = Zn3(PO4)2(s) + H2(g) =>
3 Zn(s) + 2 H3PO4(aq) = Zn3(PO4)2(s) + 3 H2(g)
C5H8 + HCl = CCl4 + H =>
C5H8 + 20 HCl = 5 CCl4 + 28 H
Fe + Fl = FeFl3 =>
Fe + 3 Fl = FeFl3
H2O2 + HNO3 = H2O + NO3 =>
H2O2 + 2 HNO3 = 2 H2O + 2 NO3
C6H6 + F2 = CF4 + HF =>
C6H6 + 15 F2 = 6 CF4 + 6 HF
F2 + C2H4 = C2F4 + HF =>
4 F2 + C2H4 = C2F4 + 4 HF
CH3NH2 + H2O = CH3NH3{+} + OH{-} =>
CH3NH2 + H2O = CH3NH3{+} + OH{-}
CH3CH2CN + H2 = CH3CH2CH2NH2 =>
CH3CH2CN + 2 H2 = CH3CH2CH2NH2
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