| Équations équilibrées la veille |
2 CrPO4 + 3 ZnO = Cr2O3 + Zn3(PO4)2
K(NO3)(Ac) + AgBr(s) + NH3(Ac) = K(NH3)(Ac) + Ag(NO3)(Ac) + Br2 =>
2 K(NO3)(Ac) + 2 AgBr(s) + 2 NH3(Ac) = 2 K(NH3)(Ac) + 2 Ag(NO3)(Ac) + Br2
(NH4)2CO3 + NaOH = (NH4)OH + Na2CO3 =>
(NH4)2CO3 + 2 NaOH = 2(NH4)OH + Na2CO3
KI + Cl = KCl + I =>
KI + Cl = KCl + I
K2ONH3 = KNH2KOH =>
K2ONH3 = KNH2KOH
Na + S = Na2S =>
2 Na + S = Na2S
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
Mg(NO3)2 + NaOH(aq) = Mg(OH)2(s) + NaNO3(aq) =>
Mg(NO3)2 + 2 NaOH(aq) = Mg(OH)2(s) + 2 NaNO3(aq)
HNO3(l) + P4O10(s) = (HPO3)3(l) + N2O5(g) =>
12 HNO3(l) + 3 P4O10(s) = 4(HPO3)3(l) + 6 N2O5(g)
AlBr2 + Cl2 = AlCl2 + Br =>
AlBr2 + Cl2 = AlCl2 + 2 Br
Mg + (C2H5)2Hg = Mg(C2H5)2 + Hg =>
Mg + (C2H5)2Hg = Mg(C2H5)2 + Hg
HgS + HHNO3 = Hg(NO3)2 + S + NO + H2O =>
HgS + 4 HHNO3 = Hg(NO3)2 + S + 2 NO + 4 H2O
Li2CO3 + CH3COOH = H2O + CO2 + LiCH3COO =>
Li2CO3 + 2 CH3COOH = H2O + CO2 + 2 LiCH3COO
C2H2Cl2 = C + H2 + Cl2 =>
C2H2Cl2 = 2 C + H2 + Cl2
Ni + O3 + H2O = Ni3(OH)2 =>
9 Ni + O3 + 3 H2O = 3 Ni3(OH)2
HCl + Ba(NO3)2 = Ba(Cl)2 + HNO3 =>
2 HCl + Ba(NO3)2 = Ba(Cl)2 + 2 HNO3
Fe + K4[Fe(CN)6] + H2O = Fe4[Fe(CN)6]3 + KOH + H2 =>
4 Fe + 3 K4[Fe(CN)6] + 12 H2O = Fe4[Fe(CN)6]3 + 12 KOH + 6 H2
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
Ca(CN)2 + H2SO4 = CaSO4 + HCN =>
Ca(CN)2 + H2SO4 = CaSO4 + 2 HCN
H3PO4 + CaOH = Ca3PO4 + H2O =>
H3PO4 + 3 CaOH = Ca3PO4 + 3 H2O
Na2SO3 + K2CrO4 + H2O = Cr(OH)3 + Na2SO4 + KOH =>
3 Na2SO3 + 2 K2CrO4 + 5 H2O = 2 Cr(OH)3 + 3 Na2SO4 + 4 KOH
Be + P2 = Be3P2 =>
3 Be + P2 = Be3P2
O2 + Ni = Ni2O =>
O2 + 4 Ni = 2 Ni2O
O2 + Cu + C2H4O2 = Cu(C2H3O2)2 + H2O =>
O2 + 2 Cu + 4 C2H4O2 = 2 Cu(C2H3O2)2 + 2 H2O
HNO2 + NaOH = HOH + NaNO2 =>
HNO2 + NaOH = HOH + NaNO2
H2O + P + Ba(OH)2 = PH3 + Ba(H2PO4)2 =>
18 H2O + 16 P + 3 Ba(OH)2 = 10 PH3 + 3 Ba(H2PO4)2
Cu(SO4)2 + KOH = Cu(OH)2 + K(SO4) =>
Cu(SO4)2 + 2 KOH = Cu(OH)2 + 2 K(SO4)
BaCl2(aq) + Al2SO43 = BaSO43 + Al2Cl2 =>
BaCl2(aq) + Al2SO43 = BaSO43 + Al2Cl2
Na3[Cr(OH)6] + H2O2 = Na2[CrO4] + NaOH + H2O =>
2 Na3[Cr(OH)6] + 3 H2O2 = 2 Na2[CrO4] + 2 NaOH + 8 H2O
Hg2SO4 + HI = HgI + H2SO4 =>
Hg2SO4 + 2 HI = 2 HgI + H2SO4
Fe(SO)4 + K3[Fe(CN)6] = Fe3[Fe(CN)6] + K(SO)4 =>
3 Fe(SO)4 + K3[Fe(CN)6] = Fe3[Fe(CN)6] + 3 K(SO)4
CH3CH2NH2 + CH3COOH = CH3CH2NH3OOCH3C =>
CH3CH2NH2 + CH3COOH = CH3CH2NH3OOCH3C
C15H31OH + O2 = C + H2O =>
2 C15H31OH + 15 O2 = 30 C + 32 H2O
Zn(SO4) = Zn + SO4 =>
Zn(SO4) = Zn + SO4
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
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
NO2 + CaCl2 = NOCl + Ca(NO3)2 =>
4 NO2 + CaCl2 = 2 NOCl + Ca(NO3)2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaOHNH4NO3 = NaNO3NH4OH =>
NaOHNH4NO3 = NaNO3NH4OH
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
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