Équations équilibrées la veille |
As2S3 + 6 NaOH = 2 As(OH)3 + 3 Na2S
MgCO3 + CH3COOH = CH3COOMg + CO2 + H2O =>
8 MgCO3 + 9 CH3COOH = 8 CH3COOMg + 10 CO2 + 6 H2O
C2H4O2 + K2CO3 = H2O + CO2 + KC2H3O2 =>
2 C2H4O2 + K2CO3 = H2O + CO2 + 2 KC2H3O2
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
KBr + H2O = K(OH) + Br2 + H2 =>
2 KBr + 2 H2O = 2 K(OH) + Br2 + H2
HNo3 + Al3 = Al(No3)3 + H2 =>
18 HNo3 + 2 Al3 = 6 Al(No3)3 + 9 H2
H(AuCl4) + SnCl2 = Au + SnCl4 + HCl =>
2 H(AuCl4) + 3 SnCl2 = 2 Au + 3 SnCl4 + 2 HCl
N2O + N2H3CH3 = H2O + N2 + CO2 =>
5 N2O + N2H3CH3 = 3 H2O + 6 N2 + CO2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Na3AsO4 + HCl + KI + C6H10O5 = KCl + AsI5 + CO2 + NaOH + H2 =>
7 Na3AsO4 + 35 HCl + 35 KI + C6H10O5 = 35 KCl + 7 AsI5 + 6 CO2 + 21 NaOH + 12 H2
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
CH3COONH3CH3 + HCl = CH3COOH + CH3NH3Cl =>
CH3COONH3CH3 + HCl = CH3COOH + CH3NH3Cl
S2Cl2 + H2O = SO2 + HCl + S =>
2 S2Cl2 + 2 H2O = SO2 + 4 HCl + 3 S
CH3Cl + KMnO4 = KCl + CH3MnO4 =>
CH3Cl + KMnO4 = KCl + CH3MnO4
KCrO2 + Br2 + KOH = KBr + K2Cr2O7 + H2O =>
2 KCrO2 + 3 Br2 + 6 KOH = 6 KBr + K2Cr2O7 + 3 H2O
Zn(s) + H2SO4(l) = H2(g) + ZnSO4(l) =>
Zn(s) + H2SO4(l) = H2(g) + ZnSO4(l)
Sr + KOH = Sr(OH)2 + K =>
Sr + 2 KOH = Sr(OH)2 + 2 K
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr =>
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr
K + Br2 = K4Br2 =>
4 K + Br2 = K4Br2
Li3N = Li(s) + N2(g) =>
2 Li3N = 6 Li(s) + N2(g)
H3PO4 + O2 = H3O2 + PO4 =>
H3PO4 + O2 = H3O2 + PO4
NaHCO2 + C2H3O2 = NaO2H3 + HC2 + CO3 =>
14 NaHCO2 + 15 C2H3O2 = 14 NaO2H3 + 17 HC2 + 10 CO3
BeO + NaOH = Na2BeO2 + H2O =>
BeO + 2 NaOH = Na2BeO2 + H2O
Co3 + NaHCO3 + H2O2 = Na3[Co(CO3)3]*3H2O =>
2 Co3 + 18 NaHCO3 + 9 H2O2 = 6 Na3[Co(CO3)3]*3H2O
Pb(II)NO3 + NaI = Pb(II)I + NaNO3 =>
Pb(II)NO3 + NaI = Pb(II)I + NaNO3
NaCl + Pb(NO3)2 + H2O = HNO3 + NaOH + PbCl2 =>
2 NaCl + Pb(NO3)2 + 2 H2O = 2 HNO3 + 2 NaOH + PbCl2
K2CO3 + KBr = Br2CO3 + K =>
K2CO3 + 2 KBr = Br2CO3 + 4 K
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
HgS + O2 = SO2 + Hg =>
HgS + O2 = SO2 + Hg
Al + Ni(NO3)2 = Ni + Al(NO3) =>
2 Al + Ni(NO3)2 = Ni + 2 Al(NO3)
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
B2S3 + O2 = B2O3 + SO =>
B2S3 + 3 O2 = B2O3 + 3 SO
[C3H5(NO3)3] = N2 + O2 + CO2 + H2O =>
4[C3H5(NO3)3] = 6 N2 + O2 + 12 CO2 + 10 H2O
C4H8 + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 C4H8 + 8 KMnO4 + 12 H2SO4 = 10 CH3COOH + 8 MnSO4 + 4 K2SO4 + 12 H2O
Al + CH3Cl = Al2Cl2(CH3)4 + AlCl3 =>
8 Al + 12 CH3Cl = 3 Al2Cl2(CH3)4 + 2 AlCl3
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
CH3CH2OH + PI3 = CH3CH2I + P(OH)3 =>
3 CH3CH2OH + PI3 = 3 CH3CH2I + P(OH)3
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
C4H9OH + O2 = C4H9OHO2 =>
C4H9OH + O2 = C4H9OHO2
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
Mg(s) + Cu{2+}(aq) = Mg{2+}(A) + Cu(s) =>
Mg(s) + Cu{2+}(aq) = Mg{2+}(A) + Cu(s)
Al2O3 + Pb(OH)2 = Al2PbO4 + H2O =>
Al2O3 + Pb(OH)2 = Al2PbO4 + H2O
C5H8O + O2 = CO2 + H2O =>
2 C5H8O + 13 O2 = 10 CO2 + 8 H2O
HCl + CaCO3 = CaCl2 + H2CO3 = HCl + CaCO3 =>
2 HCl + CaCO3 = CaCl2 + H2CO3
S8 + Na2SO3 + H2O = Na2S2O8H10 =>
S8 + 8 Na2SO3 + 40 H2O = 8 Na2S2O8H10
C6H10O5 + O2 = CO2 + H2O =>
C6H10O5 + 6 O2 = 6 CO2 + 5 H2O
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
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