| Équations équilibrées la veille |
Sc(NO3)3 + 3 NH3 + 3 H2O = Sc(OH)3 + 3 NH4NO3
K2 + S = K2S =>
K2 + S = K2S
N + O2 = ON =>
2 N + O2 = 2 ON
KNO3 + Sb2S3 = Sb2O3 + N2 + K2O + SO2 =>
18 KNO3 + 5 Sb2S3 = 5 Sb2O3 + 9 N2 + 9 K2O + 15 SO2
H2SO4 + KHCO3 = H2 + CO3 + K2SO4 =>
H2SO4 + 2 KHCO3 = 2 H2 + 2 CO3 + K2SO4
Br + H2O2 = HBr + O2 =>
2 Br + H2O2 = 2 HBr + O2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
LiCl(aq) + Na2CO3(aq) = Li2CO3(aq) + NaCl(aq) =>
2 LiCl(aq) + Na2CO3(aq) = Li2CO3(aq) + 2 NaCl(aq)
HCl + Zn = ZnCl2 + H2 =>
2 HCl + Zn = ZnCl2 + H2
Na2O + LiF = NaF + Li2O =>
Na2O + 2 LiF = 2 NaF + Li2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Zn(HO) + K = KOH + Zn =>
Zn(HO) + K = KOH + Zn
Pd + F2 = PdF3 =>
2 Pd + 3 F2 = 2 PdF3
Ba(H2PO4)2 + NaOH = Ba3(PO4)2 + Na3PO4 + H2O =>
3 Ba(H2PO4)2 + 12 NaOH = Ba3(PO4)2 + 4 Na3PO4 + 12 H2O
HCl(aq) + FeCl2(aq) + H2O2(aq) = FeCl3(aq) + H2O(l) =>
2 HCl(aq) + 2 FeCl2(aq) + H2O2(aq) = 2 FeCl3(aq) + 2 H2O(l)
HS{-} = H{+} + S{-2} =>
HS{-} = H{+} + S{-2}
NaOH + H2O = NaH + OH =>
NaOH + H2O = NaH + 2 OH
Zn(NO3)2 + NaOH = Zn(OH)2 + NaNO3 =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 NaNO3
H2SO4 + Na2O = Na2SO4 + H2O(l) =>
H2SO4 + Na2O = Na2SO4 + H2O(l)
ZnO + Co(NO3)2 = Co(ZnO2) + NO2 + O2 =>
2 ZnO + 2 Co(NO3)2 = 2 Co(ZnO2) + 4 NO2 + O2
Fe(OH)3 + Li2SO4 = Fe2(SO4)3 + LiOH =>
2 Fe(OH)3 + 3 Li2SO4 = Fe2(SO4)3 + 6 LiOH
CH3CHCl2 + NaOH = CH3CHO + NaCl + H2O =>
CH3CHCl2 + 2 NaOH = CH3CHO + 2 NaCl + H2O
KClO{-}3 = KCl + O{-}3 =>
KClO{-}3 = KCl + O{-}3
Mg3(PO4)2 + (NH4)2S = (NH4)3PO4 + MgS =>
Mg3(PO4)2 + 3(NH4)2S = 2(NH4)3PO4 + 3 MgS
Zn(s) + Ni(NO3)2(aq) = Zn(NO3)2 + Ni =>
Zn(s) + Ni(NO3)2(aq) = Zn(NO3)2 + Ni
C12H8 + O2 = CO2 + H2O =>
C12H8 + 14 O2 = 12 CO2 + 4 H2O
ZnBr2 + K3PO4 = ZnPO4 + K3Br2 =>
ZnBr2 + K3PO4 = ZnPO4 + K3Br2
Co(OH)3 + HNO3 = Co(NO3)3 + H2O =>
Co(OH)3 + 3 HNO3 = Co(NO3)3 + 3 H2O
(NH4)2SO4(aq) + KOH(aq) = NH3(g) + H2O() + K2SO4(aq) =>
(NH4)2SO4(aq) + 2 KOH(aq) = 2 NH3(g) + 2 H2O() + K2SO4(aq)
Pb(NO3)2(aq) + NaI = PbI2 + NaNO3 =>
Pb(NO3)2(aq) + 2 NaI = PbI2 + 2 NaNO3
AgNH3 + KI = AgI + KNH3 =>
AgNH3 + KI = AgI + KNH3
Mn(NO3)2 + KBr = MnBr2 + KNO3 =>
Mn(NO3)2 + 2 KBr = MnBr2 + 2 KNO3
Sn + ZnSO4 = SnSO4 + Zn2 =>
2 Sn + 2 ZnSO4 = 2 SnSO4 + Zn2
ZnCO3 + HCl = ZnCl2 + H2O + CO2 =>
ZnCO3 + 2 HCl = ZnCl2 + H2O + CO2
H2SO4(aq) + NaHCO3(s) = H2O(l) + CO2(g) + Na2SO4(aq) =>
H2SO4(aq) + 2 NaHCO3(s) = 2 H2O(l) + 2 CO2(g) + Na2SO4(aq)
X + HNO3 = X(NO3)2 + N2 + H2O =>
5 X + 12 HNO3 = 5 X(NO3)2 + N2 + 6 H2O
NaHCO3 + H2O = NaOHCO2H2O =>
NaHCO3 + H2O = NaOHCO2H2O
ZnCO3 + HCl = ZnCl2 + H2O + CO2 =>
ZnCO3 + 2 HCl = ZnCl2 + H2O + CO2
Na2CO3 + H2O = Na2OH + HCO3 =>
Na2CO3 + H2O = Na2OH + HCO3
(NH4)3PO4 + K2[HgI4] + KOH = [NH4HgO]I + K3PO4 + KI + H2O =>
(NH4)3PO4 + 3 K2[HgI4] + 6 KOH = 3[NH4HgO]I + K3PO4 + 9 KI + 3 H2O
C11H24 = C2H4 + C9H20 =>
C11H24 = C2H4 + C9H20
NaCl + (UO2)(CH3COO)2 + Zn(CH3COO)2 + CH3COOH + H2O = NaZn(UO2)3(CH3COO)9H2O + HCl =>
NaCl + 3(UO2)(CH3COO)2 + Zn(CH3COO)2 + CH3COOH + H2O = NaZn(UO2)3(CH3COO)9H2O + HCl
ZnO + Cl2 = ZnCl2 + O2 =>
2 ZnO + 2 Cl2 = 2 ZnCl2 + O2
Br + AlI3 = BrI + Al =>
3 Br + AlI3 = 3 BrI + Al
SiCl4 + Mg2Si = Si + MgCl2 =>
SiCl4 + Mg2Si = 2 Si + 2 MgCl2
Pb(s) + MgCl2 = PbCl + Mg =>
2 Pb(s) + MgCl2 = 2 PbCl + Mg
CH3COOH + HClO4 = CH3COOH2 + ClO4 =>
CH3COOH + HClO4 = CH3COOH2 + ClO4
K(AlO2) + HCl = AlCl3 + KCl + H2O =>
K(AlO2) + 4 HCl = AlCl3 + KCl + 2 H2O
Pb + Li + S = PbLiS =>
Pb + Li + S = PbLiS
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
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