| Équations équilibrées la veille |
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Cu + HNO3(dil) = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3(dil) = 3 Cu(NO3)2 + 2 NO + 4 H2O
B2O3(s) + HF(g) = BF3(g) + H2O(l) =>
B2O3(s) + 6 HF(g) = 2 BF3(g) + 3 H2O(l)
MgSO4(aq) + KCl(aq) = MgCl2(s) + K2SO4(aq) =>
MgSO4(aq) + 2 KCl(aq) = MgCl2(s) + K2SO4(aq)
CO + CuO = CO2 + Cu =>
CO + CuO = CO2 + Cu
NH3 + H2SO4 = NH3SO3 + H2O =>
NH3 + H2SO4 = NH3SO3 + H2O
SO2 + Na2CO3 = Na2SO3 + CO2 =>
SO2 + Na2CO3 = Na2SO3 + CO2
LiOH(aq) + VCl3(aq) = LiCl(s) + V(OH)3(aq) =>
3 LiOH(aq) + VCl3(aq) = 3 LiCl(s) + V(OH)3(aq)
HCe + AgNO3 = HNO3 + AgCe =>
HCe + AgNO3 = HNO3 + AgCe
Na2HPO4 + ZnSO4 = ZnHPO4 + Na2SO4 =>
Na2HPO4 + ZnSO4 = ZnHPO4 + Na2SO4
Na2S + Hg2(NO3)2 = Na2NO3 + HgS =>
2 Na2S + Hg2(NO3)2 = 2 Na2NO3 + 2 HgS
NaCl + MnO2 + H{+} = Na{+} + Mn{2+} + Cl2 + H2O =>
2 NaCl + MnO2 + 4 H{+} = 2 Na{+} + Mn{2+} + Cl2 + 2 H2O
YbI3 = YbI2 + I2 =>
2 YbI3 = 2 YbI2 + I2
K3PO4 + ZnSO4 = K2(SO4) + Zn3(PO4)2 =>
2 K3PO4 + 3 ZnSO4 = 3 K2(SO4) + Zn3(PO4)2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Mg(HCO3)2 = MgCO3 + H2CO3 =>
Mg(HCO3)2 = MgCO3 + H2CO3
P7 + H2SO4 = H3PO4 + H2O + SO2 =>
2 P7 + 35 H2SO4 = 14 H3PO4 + 14 H2O + 35 SO2
K + As = K3As =>
3 K + As = K3As
CH3C(O)OH + NaOH = CH3COO2H2 + Na =>
CH3C(O)OH + NaOH = CH3COO2H2 + Na
LiOH + MgCO3 = Li2CO3 + Mg(OH)2 =>
2 LiOH + MgCO3 = Li2CO3 + Mg(OH)2
H2CO3 + NaCl = Na2CO3 + HCl =>
H2CO3 + 2 NaCl = Na2CO3 + 2 HCl
Fe3 + O2 = Fe3O4 =>
Fe3 + 2 O2 = Fe3O4
Na2SiO3 + HCI = H2SiO3 + NaCI =>
Na2SiO3 + 2 HCI = H2SiO3 + 2 NaCI
N + H + O = NH4OH =>
N + 5 H + O = NH4OH
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
NaBrO + MnCl2 + NaOH = NaBr + MnO2 + NaCl + H2O =>
NaBrO + MnCl2 + 2 NaOH = NaBr + MnO2 + 2 NaCl + H2O
Br2 + HCl = HBr + Cl2 =>
Br2 + 2 HCl = 2 HBr + Cl2
Li2CO3 + SnO2 + TeO2 + O2 = Li2SnTeO6 + CO2 =>
2 Li2CO3 + 2 SnO2 + 2 TeO2 + O2 = 2 Li2SnTeO6 + 2 CO2
C18H38 = C + H =>
C18H38 = 18 C + 38 H
Na2CO3 + H2SO4 = H2CO3 + Na2SO4 =>
Na2CO3 + H2SO4 = H2CO3 + Na2SO4
Na2SiO3 + BaCl2 = BaSiO3 + NaCl =>
Na2SiO3 + BaCl2 = BaSiO3 + 2 NaCl
Pb(NO3)2 + KCl = Pb(Cl)2 + K(NO3) =>
Pb(NO3)2 + 2 KCl = Pb(Cl)2 + 2 K(NO3)
Zn + M2(NO3)2 = Zn(NO3)2 + M2 =>
Zn + M2(NO3)2 = Zn(NO3)2 + M2
CrO5 + H3O{+} = O2 + H2O + Cr{+} =>
4 CrO5 + 4 H3O{+} = 9 O2 + 6 H2O + 4 Cr{+}
Ca(OH)2 + Na2CO3 = NaOH + CaCO3 =>
Ca(OH)2 + Na2CO3 = 2 NaOH + CaCO3
KC1O2 = KC1 + O2 =>
KC1O2 = KC1 + O2
Bi + HNO3 = Bi(NO3)3 + NO + H2O =>
Bi + 4 HNO3 = Bi(NO3)3 + NO + 2 H2O
(NH4)2MoO4 + Na3PO4 + NH4NO3 = (NH4)3[P(Mo3O10)4] + H2O + NaNO3 + NH3 =>
12(NH4)2MoO4 + Na3PO4 + 3 NH4NO3 = (NH4)3[P(Mo3O10)4] + 12 H2O + 3 NaNO3 + 24 NH3
Mn + F = MnF =>
Mn + F = MnF
KClO + Ca(MnO4)2 = Ca(ClO)2 + KMnO4 =>
2 KClO + Ca(MnO4)2 = Ca(ClO)2 + 2 KMnO4
NaNO3 + BaCl2 = Ba(NO3)2 + NaCl =>
2 NaNO3 + BaCl2 = Ba(NO3)2 + 2 NaCl
H + N + O = HNO =>
H + N + O = HNO
C5H9O(s) + O2(g) = CO2(g) + H2O(l) =>
4 C5H9O(s) + 27 O2(g) = 20 CO2(g) + 18 H2O(l)
K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O + K2SO4
Cd(s) + Hg2SO4(s) = Hg(l) + CdSO4(ac) =>
Cd(s) + Hg2SO4(s) = 2 Hg(l) + CdSO4(ac)
LiCI + KBr = LiBr + KCI =>
LiCI + KBr = LiBr + KCI
Cd + Cu{+} = Cd2{+} + Cu =>
2 Cd + Cu{+} = Cd2{+} + Cu
CH3COOH + CuO = (CH3COO)2Cu + H2O =>
2 CH3COOH + CuO = (CH3COO)2Cu + H2O
K2O + Na2O + SiO2 = Na2K2SiO4 =>
K2O + Na2O + SiO2 = Na2K2SiO4
NH4{+} + CO2 + H2O + HCO3{-} + HPO4{2-} = C106H263O110N16P + O2 =>
16 NH4{+} + 92 CO2 + 92 H2O + 14 HCO3{-} + HPO4{2-} = C106H263O110N16P + 106 O2
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