| Équations équilibrées la veille |
4 KMnO4 + 2 H2CO3 = 2 K2CO3 + 4 MnO + 5 O2 + 2 H2O
C + HNO3 = CO2 + H2 + NO =>
2 C + 2 HNO3 = 2 CO2 + H2 + 2 NO
V3 + (CO3)2 = V(CO3)2 =>
V3 + 3(CO3)2 = 3 V(CO3)2
FeS(s) + HCl(aq) = FeCl2(aq) + H2S(g) =>
FeS(s) + 2 HCl(aq) = FeCl2(aq) + H2S(g)
Li + Al{2}O{3} = Al + Li{2}O =>
Li + Al{2}O{3} = Al + Li{2}O
KI + NaNO2 + H2SO4 = H2O + I2 + K2SO4 + NO + Na2SO4 =>
2 KI + 2 NaNO2 + 2 H2SO4 = 2 H2O + I2 + K2SO4 + 2 NO + Na2SO4
Fe(OH)3 + C6H8O7 = FeCHOO + H2O + CO2 =>
9 Fe(OH)3 + 2 C6H8O7 = 9 FeCHOO + 17 H2O + 3 CO2
Fe + H3PO4(aq) = Fe2(PO4)3 + H2 =>
4 Fe + 6 H3PO4(aq) = 2 Fe2(PO4)3 + 9 H2
C + H2 = CH4 =>
C + 2 H2 = CH4
*5Ca(NO3)2*NH4NO3*10H2O + H2SO4 = CaSO4 + (NH4)2SO4 + HNO3 + H2O =>
2*5Ca(NO3)2*NH4NO3*10H2O + 11 H2SO4 = 10 CaSO4 + (NH4)2SO4 + 22 HNO3 + 20 H2O
CuSO4(aq) + NH4SCN(aq) = Cu(SCN)2(s) + (NH4)2SO4(aq) =>
CuSO4(aq) + 2 NH4SCN(aq) = Cu(SCN)2(s) + (NH4)2SO4(aq)
O2 + C12H22O11 = H2 + C6H8O7 =>
3 O2 + 2 C12H22O11 = 6 H2 + 4 C6H8O7
O2 + H2O = H5O3 =>
O2 + 10 H2O = 4 H5O3
TiCl3 + NH3 + H2O = TiH2 + HCl + NO3 =>
9 TiCl3 + 5 NH3 + 15 H2O = 9 TiH2 + 27 HCl + 5 NO3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Mn(OH)2(S) + O2(g) = MnO(OH)(S) + H2O(l) =>
4 Mn(OH)2(S) + O2(g) = 4 MnO(OH)(S) + 2 H2O(l)
NaCl(aq) + O2(g) = Na2O(aq) + Cl2(g) =>
4 NaCl(aq) + O2(g) = 2 Na2O(aq) + 2 Cl2(g)
ClF + H2O = HFO + HCl =>
ClF + H2O = HFO + HCl
Al + O2 = Al{3+} + O{2-} =>
4 Al + 3 O2 = 4 Al{3+} + 6 O{2-}
BaO(S) + H2SO4(ac) = BaSO4(S) + H2O(l) =>
BaO(S) + H2SO4(ac) = BaSO4(S) + H2O(l)
HCN3 + NH3 = NH4CN3 =>
HCN3 + NH3 = NH4CN3
Fe(NH4)2(SO4)2 + NaOH = (NH4)2SO4 + Fe(OH)2 + Na2SO4 =>
Fe(NH4)2(SO4)2 + 2 NaOH = (NH4)2SO4 + Fe(OH)2 + Na2SO4
Pb(NO3)2(aq) + KL(aq) = PbL2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KL(aq) = PbL2(s) + 2 KNO3(aq)
Ba + N2 = Ba3N2 =>
3 Ba + N2 = Ba3N2
H2 + N2O5 = H2O + N2O3 =>
2 H2 + N2O5 = 2 H2O + N2O3
H2 + F2 = HF =>
H2 + F2 = 2 HF
CH4N2O + H2SO4 + C12H22O11 = C9H9N3O2S + H2O + CO2 =>
36 CH4N2O + 24 H2SO4 + 19 C12H22O11 = 24 C9H9N3O2S + 197 H2O + 48 CO2
Dy + H2SO4 = Dy2(SO4)3 + H2 =>
2 Dy + 3 H2SO4 = Dy2(SO4)3 + 3 H2
Cu(NO3)2 + Na2S = CuS + Na(NO3) =>
Cu(NO3)2 + Na2S = CuS + 2 Na(NO3)
CrBr3 + H2O2 + NaOH = Na2CrO4 + Br2 + H2O =>
2 CrBr3 + 6 H2O2 + 4 NaOH = 2 Na2CrO4 + 3 Br2 + 8 H2O
Ca(OH)2 + NH4NO3 = Ca(NO3)2 + NH4OH =>
Ca(OH)2 + 2 NH4NO3 = Ca(NO3)2 + 2 NH4OH
BaSO4 + HNO3 = BaH + NO3SO4 =>
BaSO4 + HNO3 = BaH + NO3SO4
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Fe2O3(s) + H2 = Fe(s) + H2O =>
Fe2O3(s) + 3 H2 = 2 Fe(s) + 3 H2O
N + Cu2O = N2O + Cu =>
2 N + Cu2O = N2O + 2 Cu
N2SO4 + NaOH = NOH + Na2SO4 =>
N2SO4 + 2 NaOH = 2 NOH + Na2SO4
Cl12N6 + C3H6 = N2 + H + C3Cl12 =>
Cl12N6 + C3H6 = 3 N2 + 6 H + C3Cl12
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
NaCl + CH3OH = CH3Cl + NaOH =>
NaCl + CH3OH = CH3Cl + NaOH
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Fe + Cl2 = FeCl8 =>
Fe + 4 Cl2 = FeCl8
H{+} + ClO3{-} + HCl = Cl2 + H2O =>
H{+} + ClO3{-} + 5 HCl = 3 Cl2 + 3 H2O
Na2CO3 + NO3 = NaNO3 + CO3 =>
Na2CO3 + 2 NO3 = 2 NaNO3 + CO3
NH4Cl + NaH2PO4 = NaCl + H6NPO4 =>
NH4Cl + NaH2PO4 = NaCl + H6NPO4
HCl + Cr2O3 = CrCl3 + H2O =>
6 HCl + Cr2O3 = 2 CrCl3 + 3 H2O
Li2Co3 + CuCl2 = LiCl + CuCo3 =>
Li2Co3 + CuCl2 = 2 LiCl + CuCo3
C7H6 + CHCl3 = CH + CCl =>
3 C7H6 + CHCl3 = 19 CH + 3 CCl
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
ZnSO4 + MgCl2 + Na3PO4 = Zn3(PO4)2 + NaCl + MgSO4 =>
3 ZnSO4 + 3 MgCl2 + 2 Na3PO4 = Zn3(PO4)2 + 6 NaCl + 3 MgSO4
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