| Équations équilibrées la veille |
Na2CO3 + BaCr2 + 7 O = BaCO3 + Na2Cr2O7
C2H12N4 + N2O4 = CO + N2 + H2O =>
C2H12N4 + 2 N2O4 = 2 CO + 4 N2 + 6 H2O
H2SO4 + KBr + KBrO3 = Br2 + H2O + K2SO4 =>
3 H2SO4 + 5 KBr + KBrO3 = 3 Br2 + 3 H2O + 3 K2SO4
C12H14O2 + HCl + NaOH = C12H16O3 + NaCl =>
C12H14O2 + HCl + NaOH = C12H16O3 + NaCl
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
CuSn2 + O2 = CuO + SnO =>
2 CuSn2 + 3 O2 = 2 CuO + 4 SnO
Sn(OH)4 + H3PO4 = H2O + Sn3(PO4)4 =>
3 Sn(OH)4 + 4 H3PO4 = 12 H2O + Sn3(PO4)4
NaOH + H2SO4 = H3O{+} + OH{-} + Na2SO4 =>
2 NaOH + H2SO4 = H3O{+} + OH{-} + Na2SO4
CuCl2 + NaOH = Cu2(OH)4 + NaCl =>
2 CuCl2 + 4 NaOH = Cu2(OH)4 + 4 NaCl
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Ag(NO3)3 + Na2(SO4) = Ag2(SO4)3 + NaNO3 =>
2 Ag(NO3)3 + 3 Na2(SO4) = Ag2(SO4)3 + 6 NaNO3
HCl(aq) + KOH(aq) = KCl(aq) + H2O(l) =>
HCl(aq) + KOH(aq) = KCl(aq) + H2O(l)
C2H3COOH + C3H7OH = C2H3COOC3H7 + H2O =>
C2H3COOH + C3H7OH = C2H3COOC3H7 + H2O
Na[Al(OH)4] + NaHSO4 = Na2SO4 + Al(OH)3 + H2O =>
Na[Al(OH)4] + NaHSO4 = Na2SO4 + Al(OH)3 + H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
KOH + Al = K + AlOH =>
KOH + Al = K + AlOH
H2SO3 + H2O = SO4 + H =>
H2SO3 + H2O = SO4 + 4 H
Be + H2O = Be2O + H =>
2 Be + H2O = Be2O + 2 H
HH + ClCl = HCl =>
HH + ClCl = 2 HCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
HI + AgNO3 = AgI + HNO3 =>
HI + AgNO3 = AgI + HNO3
Na3(Al(OH)6) = NaAlO2 + NaOH + H2O =>
Na3(Al(OH)6) = NaAlO2 + 2 NaOH + 2 H2O
Ag + Na = Ag(Na) =>
Ag + Na = Ag(Na)
Na + Ni2(SO4) = Ni + Na2SO4 =>
2 Na + Ni2(SO4) = 2 Ni + Na2SO4
KClO3 + NH4HSO4 + H{+} + e = NH4Cl + KHSO4 + H2O =>
KClO3 + NH4HSO4 + 6 H{+} + 6e = NH4Cl + KHSO4 + 3 H2O
CsH2PO4 + CsNbO3 = Cs100Nb10P90O300 + H2O =>
90 CsH2PO4 + 10 CsNbO3 = Cs100Nb10P90O300 + 90 H2O
Cr + NaNO3 + NaOH = Na2CrO4 + NaNO2 + H2O =>
Cr + 3 NaNO3 + 2 NaOH = Na2CrO4 + 3 NaNO2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
AlBr3 + Cl = AlCl3 + Br =>
AlBr3 + 3 Cl = AlCl3 + 3 Br
K2Cr2O7 + H2SO4 + CH3CH2CH2OH = Cr2(SO4)3 + H2O + CH3CHO + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 2 CH3CH2CH2OH = Cr2(SO4)3 + 6 H2O + 3 CH3CHO + K2SO4
CH3COO + H2S = CH3COOH + S =>
2 CH3COO + H2S = 2 CH3COOH + S
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
(Mg3N2) + H2SO4 = MgSO4 + (NH4)2SO4 =>
(Mg3N2) + 4 H2SO4 = 3 MgSO4 + (NH4)2SO4
CuSO4*5H2O + PPh3 + NaBH4 = [Cu(PPh3)2(BH4)] + NaOH + SO4 + H2 + H2O =>
2 CuSO4*5H2O + 4 PPh3 + 2 NaBH4 = 2[Cu(PPh3)2(BH4)] + 2 NaOH + 2 SO4 + H2 + 8 H2O
AlCl3 + H2O = AlCl2H + OHCl =>
AlCl3 + H2O = AlCl2H + OHCl
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
Al(C2H3O2)3 + Ca = Ca(C2H3O2)2 + Al =>
2 Al(C2H3O2)3 + 3 Ca = 3 Ca(C2H3O2)2 + 2 Al
C2H3COOH + C3H7OH = C2H3COOC3H7 + H2O =>
C2H3COOH + C3H7OH = C2H3COOC3H7 + H2O
NCl2 = N2 + Cl3 =>
6 NCl2 = 3 N2 + 4 Cl3
H3AsO3 + SnCl2 + HCl = As + SnCl4 + H2O =>
2 H3AsO3 + 3 SnCl2 + 6 HCl = 2 As + 3 SnCl4 + 6 H2O
Magnesium + water = MgOH + hydrogen =>
2 Mg + 2 H2O = 2 MgOH + H2
Cu(s) + Ag{+}(aq) = Cu(aq){+2} + Ag(s) =>
Cu(s) + 2 Ag{+}(aq) = Cu(aq){+2} + 2 Ag(s)
KI + KMnO4 + H2SO4 = H2O + KIO3 + K2SO4 + MnSO4 =>
5 KI + 6 KMnO4 + 9 H2SO4 = 9 H2O + 5 KIO3 + 3 K2SO4 + 6 MnSO4
KMnO4 + H2SO4 + KNO2 = Mn + KNO3 + K2SO4 + H2O =>
2 KMnO4 + H2SO4 + 7 KNO2 = 2 Mn + 7 KNO3 + K2SO4 + H2O
K2CrO7 + C3H7OH + H{+} = Cr{3+} + CO2 + K + H2O =>
18 K2CrO7 + 11 C3H7OH + 54 H{+} = 18 Cr{3+} + 33 CO2 + 36 K + 71 H2O
Na[Al(OH)4] + NaHSO4 = Na2SO4 + Al(OH)3 + H2O =>
Na[Al(OH)4] + NaHSO4 = Na2SO4 + Al(OH)3 + H2O
Ba(OH)2 + LiBr = LiOH + BaBr2 =>
Ba(OH)2 + 2 LiBr = 2 LiOH + BaBr2
C + H2 + O2 = C8H8O3 =>
16 C + 8 H2 + 3 O2 = 2 C8H8O3
ZnS + O2 = S + ZnO =>
2 ZnS + O2 = 2 S + 2 ZnO
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
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