| Équations équilibrées la veille |
Mg(OH)2 + 2 HBr = 2 H2O + MgBr2
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
HNO3(k) + Cu = Cu(NO3)2 + H2O + NO2 =>
4 HNO3(k) + Cu = Cu(NO3)2 + 2 H2O + 2 NO2
(HOCH2)3CNH2 + HCl = (CH2)3CNH2 + H2O + Cl =>
(HOCH2)3CNH2 + 3 HCl = (CH2)3CNH2 + 3 H2O + 3 Cl
H3PO4 + Al(OH)3 = Al(PO4) + H2O =>
H3PO4 + Al(OH)3 = Al(PO4) + 3 H2O
NH4F + K2S = (NH4)2S + KF =>
2 NH4F + K2S = (NH4)2S + 2 KF
Cr(OH)3 + H3PO4 = CrPO4 + HOH =>
Cr(OH)3 + H3PO4 = CrPO4 + 3 HOH
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
H2SO4 + HNO3 = SO4 + H2O + NO2 =>
H2SO4 + 2 HNO3 = SO4 + 2 H2O + 2 NO2
NH2CONH2 + NaOH = Na2CO3 + NH3 =>
NH2CONH2 + 2 NaOH = Na2CO3 + 2 NH3
YCl3 + Mg = Y + MgCl2 =>
2 YCl3 + 3 Mg = 2 Y + 3 MgCl2
CHOOH = CHOO + H =>
CHOOH = CHOO + H
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Ca(OH)2 + Na2CO3 = CaCO3 + NaOH =>
Ca(OH)2 + Na2CO3 = CaCO3 + 2 NaOH
NaClBa(NO3)2 = BaClNa(NO3)2 =>
NaClBa(NO3)2 = BaClNa(NO3)2
FeAsS + ClO2 + H2O = Fe{+3} + AsO4{-3} + SO4{-2} + Cl{-} + H{+} =>
5 FeAsS + 14 ClO2 + 12 H2O = 5 Fe{+3} + 5 AsO4{-3} + 5 SO4{-2} + 14 Cl{-} + 24 H{+}
BaCl2 + Na2SO4 = BaSO4 + NaCl = =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Ba2 + NH3 = Ba3N2 + H2 =>
3 Ba2 + 4 NH3 = 2 Ba3N2 + 6 H2
Sr(OH)2 + HCl = SrCl2 + H2*O =>
Sr(OH)2 + 2 HCl = SrCl2 + 2 H2*O
HgO + HNO3 = H2O + Hg + NO3 =>
HgO + 2 HNO3 = H2O + Hg + 2 NO3
HNO3 + NaOH = H2O + NaNO3 =>
HNO3 + NaOH = H2O + NaNO3
SnO + SnO2 = Sn2O3 =>
SnO + SnO2 = Sn2O3
KMnO4 + H2C2O4 + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
2 KMnO4 + 5 H2C2O4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 10 CO2 + 8 H2O
MnO2(c) + HCl(aq) = MnCl2(aq) + Cl2(g) + H2O(l) =>
MnO2(c) + 4 HCl(aq) = MnCl2(aq) + Cl2(g) + 2 H2O(l)
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
KBr + KClO3 + HCl = KCl + H2O + Br2 =>
6 KBr + KClO3 + 6 HCl = 7 KCl + 3 H2O + 3 Br2
C2H2O2 + Ag(NH3)2OH = C2H8O4N2 + Ag + NH3 + H2O =>
C2H2O2 + 4 Ag(NH3)2OH = C2H8O4N2 + 4 Ag + 6 NH3 + 2 H2O
C6H12O6 + C52H40O20S4 + C3H5OCl + NaOH = C124H168O76S4 + H2O + NaCl =>
8 C6H12O6 + C52H40O20S4 + 8 C3H5OCl + 8 NaOH = C124H168O76S4 + 8 H2O + 8 NaCl
[Ni(NH3)6](OH)2 + HCN + KCN = K2[Ni(CN)4] + NH3 + H2O =>
[Ni(NH3)6](OH)2 + 2 HCN + 2 KCN = K2[Ni(CN)4] + 6 NH3 + 2 H2O
KMnO4 + (COOH)2 + H2SO4 = MnO2 + H2O + CO2 + KHSO4 =>
2 KMnO4 + 3(COOH)2 + 2 H2SO4 = 2 MnO2 + 4 H2O + 6 CO2 + 2 KHSO4
HNO3 + Ba(OH)2(aq) = Ba(NO3)2(aq) + H2O =>
2 HNO3 + Ba(OH)2(aq) = Ba(NO3)2(aq) + 2 H2O
Al2(SO4)3 + K3PO4 = Al3(PO4)3 + K2SO4 =>
3 Al2(SO4)3 + 6 K3PO4 = 2 Al3(PO4)3 + 9 K2SO4
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
S + NaOH = Na2S + Na2SO3 + H2O =>
3 S + 6 NaOH = 2 Na2S + Na2SO3 + 3 H2O
CUSO4 + KSCN = CU(SCN)2 + K2SO4 =>
CUSO4 + 2 KSCN = CU(SCN)2 + K2SO4
BaCl2(aq) + NaCl(aq) = BaCl(aq) + NaCl2(aq) =>
BaCl2(aq) + NaCl(aq) = BaCl(aq) + NaCl2(aq)
CrCl2 + Na2Cr2O7 + HCl = CrCl3 + NaCl + H2O =>
6 CrCl2 + Na2Cr2O7 + 14 HCl = 8 CrCl3 + 2 NaCl + 7 H2O
H2C2O4 + NaOH = Na2C2O4 + H2O =>
H2C2O4 + 2 NaOH = Na2C2O4 + 2 H2O
Al + CuSO5 = Al2(SO5)4 + Cu =>
2 Al + 4 CuSO5 = Al2(SO5)4 + 4 Cu
CaO + H3PO4 = Ca3[PO4]2 + H2O =>
3 CaO + 2 H3PO4 = Ca3[PO4]2 + 3 H2O
HCl + HNO3 = HCl2 + H2O + NO2 =>
2 HCl + HNO3 = HCl2 + H2O + NO2
CaCl2O6 = CaCl2 + O2 =>
CaCl2O6 = CaCl2 + 3 O2
NaN3 + HCl = NaCl + H + N3 =>
NaN3 + HCl = NaCl + H + N3
Li + CuSO4 = Li2SO4 + Cu =>
2 Li + CuSO4 = Li2SO4 + Cu
LiOH + CoSO4 = Co(OH)2 + Li2SO4 =>
2 LiOH + CoSO4 = Co(OH)2 + Li2SO4
SnO + SnO2 = Sn2O3 =>
SnO + SnO2 = Sn2O3
ZnO2 + Cu = Cu2O + Zn =>
ZnO2 + 4 Cu = 2 Cu2O + Zn
CHClF2(g) = C2F4(g) + HCl(g) =>
2 CHClF2(g) = C2F4(g) + 2 HCl(g)
SO3 + HCl = H2SO3 + Cl2 =>
SO3 + 2 HCl = H2SO3 + Cl2
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