| Équations équilibrées la veille |
Na2CO3 + 2 HIn = 2 In + 2 Na + H2CO3
K + CaBr2 = CaK + Br2 =>
K + CaBr2 = CaK + Br2
H2CO3 + K2S = K2CO3 + H2S =>
H2CO3 + K2S = K2CO3 + H2S
Al2O3(s) + NaOH(aq) + H2O(l) = NaAl(OH)4(aq) =>
Al2O3(s) + 2 NaOH(aq) + 3 H2O(l) = 2 NaAl(OH)4(aq)
C6H5CH3 + OH = CO2 + H2O =>
C6H5CH3 + 36 OH = 7 CO2 + 22 H2O
SrN = Sr + N2 =>
2 SrN = 2 Sr + N2
P + HNO3 = H3PO4 + NO2 + H2O =>
P + 5 HNO3 = H3PO4 + 5 NO2 + H2O
HN3 + O = NO + H2O =>
2 HN3 + 7 O = 6 NO + H2O
CrCl3 + HNO3 = HCl + Cr(NO3)3 =>
CrCl3 + 3 HNO3 = 3 HCl + Cr(NO3)3
C6H12O6 = (C2H5OH) + CO2 =>
C6H12O6 = 2(C2H5OH) + 2 CO2
KMnO4 + Na2[C2O4] + H2[SO4] = Na2[SO4] + K2[SO4] + Mn[SO4] + CO2 + H2O =>
2 KMnO4 + 5 Na2[C2O4] + 8 H2[SO4] = 5 Na2[SO4] + K2[SO4] + 2 Mn[SO4] + 10 CO2 + 8 H2O
AgBr + CuCl2 = AgCl + CuBr2 =>
2 AgBr + CuCl2 = 2 AgCl + CuBr2
Ba(OH)2 + SiO2 = BaO + Si(OH)4 =>
2 Ba(OH)2 + SiO2 = 2 BaO + Si(OH)4
Na(s) + HCl(aq) = NaCl(aq) + H2(g) =>
2 Na(s) + 2 HCl(aq) = 2 NaCl(aq) + H2(g)
Ca(OH)2 + Cu3(PO4)2 = Ca3(PO4)2 + Cu(OH)2 =>
3 Ca(OH)2 + Cu3(PO4)2 = Ca3(PO4)2 + 3 Cu(OH)2
Al2O3(s) = Al(s) + O2(g) =>
2 Al2O3(s) = 4 Al(s) + 3 O2(g)
Li + CaO = Ca2 + Li2O =>
4 Li + 2 CaO = Ca2 + 2 Li2O
(NH4)2MoO4(aq) + Na3PO4(aq) + HNO3(aq) = (NH4)3PMo12O40(s) + NH4NO3(aq) + NaNO3(aq) + H2O(l) =>
12(NH4)2MoO4(aq) + Na3PO4(aq) + 24 HNO3(aq) = (NH4)3PMo12O40(s) + 21 NH4NO3(aq) + 3 NaNO3(aq) + 12 H2O(l)
Pb + ZnSO = PbO + ZnS =>
Pb + ZnSO = PbO + ZnS
CO2 + H2O = C6H12O6(ac) + O2(g) =>
6 CO2 + 6 H2O = C6H12O6(ac) + 6 O2(g)
Al2O3(s) + C(s) = Al(s) + CO2(g) =>
2 Al2O3(s) + 3 C(s) = 4 Al(s) + 3 CO2(g)
RbO2 + H2O = O2 + RbOH =>
4 RbO2 + 2 H2O = 3 O2 + 4 RbOH
CO + H2 = CH3(OH) =>
CO + 2 H2 = CH3(OH)
NiSO4 + Na3PO4 = NiSO8Na3P =>
NiSO4 + Na3PO4 = NiSO8Na3P
Be + H2O = Be(OH)2 + H2 =>
Be + 2 H2O = Be(OH)2 + H2
Ca(OH)2 + NH4Br = CaBr2 + H2O + NH3 =>
Ca(OH)2 + 2 NH4Br = CaBr2 + 2 H2O + 2 NH3
Cl2(g) + O2(g) = Cl2O5(g) =>
2 Cl2(g) + 5 O2(g) = 2 Cl2O5(g)
U3O8 + O2 + HNO3 = (UO2)(NO3)2 + H2O =>
2 U3O8 + O2 + 12 HNO3 = 6(UO2)(NO3)2 + 6 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Cl + Hg(NO3)2 = HgCl + (NO3)2 =>
Cl + Hg(NO3)2 = HgCl + (NO3)2
NaAsO2 + HCl = NaCl + As2O3 + H2O =>
2 NaAsO2 + 2 HCl = 2 NaCl + As2O3 + H2O
HS + H2O = H2S + OH =>
HS + H2O = H2S + OH
NaOH + K2SO4 = KOH(aq) + Na2SO4(s) =>
2 NaOH + K2SO4 = 2 KOH(aq) + Na2SO4(s)
C9H20 + Cl2 = C9H17Cl + HCl =>
C9H20 + 2 Cl2 = C9H17Cl + 3 HCl
NaOH + NiBr2 = Ni(OH)2 + NaBr =>
2 NaOH + NiBr2 = Ni(OH)2 + 2 NaBr
S8 + NaCl = Na2S + Cl2 =>
S8 + 16 NaCl = 8 Na2S + 8 Cl2
KCN + H2O2 = KOCN + H2O =>
KCN + H2O2 = KOCN + H2O
H2NC6H4OH + H3PO4 = H4PO4 + H2NC6H4O =>
H2NC6H4OH + H3PO4 = H4PO4 + H2NC6H4O
C6H8O7 + NaOH = Na3C6H8O7 + OH =>
C6H8O7 + 3 NaOH = Na3C6H8O7 + 3 OH
Hg(l) + HCl(aq) = HgCl2(aq) + H2(g) =>
Hg(l) + 2 HCl(aq) = HgCl2(aq) + H2(g)
(CH3CH2O)2POH + (CH3)3CNH2 + CCl4 = (CH3CH2O)2POCCl3 + [(CH3)3CNH3]Cl =>
(CH3CH2O)2POH + (CH3)3CNH2 + CCl4 = (CH3CH2O)2POCCl3 + [(CH3)3CNH3]Cl
Al + KMnO4 + H2SO4 = Al2O3 + MnO2 + K2SO4 + H2O =>
2 Al + 2 KMnO4 + H2SO4 = Al2O3 + 2 MnO2 + K2SO4 + H2O
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
HBr(aq) + Ba(OH)2(s) = H2O(aq) + BaBr2(aq) =>
2 HBr(aq) + Ba(OH)2(s) = 2 H2O(aq) + BaBr2(aq)
CH3CH3COHCH3 + HCl = CH3CH3CClCH3 + H2O =>
CH3CH3COHCH3 + HCl = CH3CH3CClCH3 + H2O
AgNO3 + K2CrO4 = Ag2CrO4 + K2(NO3)2 =>
2 AgNO3 + K2CrO4 = Ag2CrO4 + K2(NO3)2
CO2 + NH4 = OC(NH3)2 + H2O =>
CO2 + 2 NH4 = OC(NH3)2 + H2O
KCl + Mg(OH)2 = KOH + MgCl2 =>
2 KCl + Mg(OH)2 = 2 KOH + MgCl2
H2SO4H2SO4 + Na2CO3 = Na2SO4 + H2O + CO2 =>
H2SO4H2SO4 + 2 Na2CO3 = 2 Na2SO4 + 2 H2O + 2 CO2
S + NO2{-} + H2O = N2 + S2O3{2-} + H{+} =>
6 S + 4 NO2{-} + H2O = 2 N2 + 3 S2O3{2-} + 2 H{+}
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