| Équations équilibrées la veille |
2 NH3 + 2 NaClO = N2H2 + 2 NaCl + 2 H2O
NaOH + HOOC{-}COOH = OOC{-}COO + Na + H2O =>
NaOH + HOOC{-}COOH = OOC{-}COO + Na + H2O
KNO3 + Al + KOH + H3O = NH3 + K(Al(OH)4) =>
3 KNO3 + 5 Al + 2 KOH + 9 H3O = 3 NH3 + 5 K(Al(OH)4)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
HBr + NaBrO3 + H2SO4 = Br2 + Na2SO4 + H2O =>
10 HBr + 2 NaBrO3 + H2SO4 = 6 Br2 + Na2SO4 + 6 H2O
C55H111O7 + O2 = CO2 + H2O =>
4 C55H111O7 + 317 O2 = 220 CO2 + 222 H2O
C + H2 = H4C3 =>
3 C + 2 H2 = H4C3
MnO4{-} + H{+} + Cl{-} = MnO + Cl2 + H2O =>
2 MnO4{-} + 12 H{+} + 10 Cl{-} = 2 MnO + 5 Cl2 + 6 H2O
H2S + Fe(OH)2 = FeS + H2O =>
H2S + Fe(OH)2 = FeS + 2 H2O
Ba + I = BaI2 =>
Ba + 2 I = BaI2
C6H5OH + Br = C6H5OBr + H2 =>
2 C6H5OH + 2 Br = 2 C6H5OBr + H2
H2 + O3Fe2 = Fe2 + H2O =>
3 H2 + O3Fe2 = Fe2 + 3 H2O
AgOH + CaCl2 = AgCl + Ca(OH)2 =>
2 AgOH + CaCl2 = 2 AgCl + Ca(OH)2
Li + H2O = H2 + LiO4 =>
Li + 4 H2O = 4 H2 + LiO4
NaCl + NH4OH = ClNH4 + NaOH =>
NaCl + NH4OH = ClNH4 + NaOH
MnO4 + SO2 = MnO2 + SO4 =>
MnO4 + SO2 = MnO2 + SO4
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CdSO4 + SrS = CdS + SrSO4 =>
CdSO4 + SrS = CdS + SrSO4
Ni(NO3)2 = Ni + N2 + O2 =>
Ni(NO3)2 = Ni + N2 + 3 O2
KMnO4 + H2SO3 + NaOH = K2MnO4 + Na2SO4 + Na2MnO4 + H2O =>
2 KMnO4 + H2SO3 + 4 NaOH = K2MnO4 + Na2SO4 + Na2MnO4 + 3 H2O
Fe(OH)3 + H3PO4 = (Fe)3(PO4)3 + H2O =>
3 Fe(OH)3 + 3 H3PO4 = (Fe)3(PO4)3 + 9 H2O
C3H7OH + O2 = CO + H2O =>
C3H7OH + 3 O2 = 3 CO + 4 H2O
MgSe = Mg + Se =>
MgSe = Mg + Se
FeOHCl + NaHS = FeS + NaCl + H2O =>
FeOHCl + NaHS = FeS + NaCl + H2O
C4H8 + Cl2 = C4H6Cl2 + H2 =>
C4H8 + Cl2 = C4H6Cl2 + H2
FeSO4 + KMnO4 + NaOH + H2O = MnO2 + Fe(OH)3 + KOH + NaSO4 =>
3 FeSO4 + 2 KMnO4 + 3 NaOH + 4 H2O = 2 MnO2 + 3 Fe(OH)3 + 2 KOH + 3 NaSO4
ZnCl + KOH = ZnOH + KCl =>
ZnCl + KOH = ZnOH + KCl
Na2O2 + Fe(OH)2 + H2O = Fe(OH)3 + NaOH =>
Na2O2 + 2 Fe(OH)2 + 2 H2O = 2 Fe(OH)3 + 2 NaOH
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Sn + Zn(NO3)2 = Sn(NO3) + Zn =>
2 Sn + Zn(NO3)2 = 2 Sn(NO3) + Zn
C2H18 + O2 = CO2 + H2O =>
2 C2H18 + 13 O2 = 4 CO2 + 18 H2O
CuS + NO3 + H{+} = Cu2{+} + SO4 + NO + H2O =>
8 CuS + 17 NO3 + 4 H{+} = 4 Cu2{+} + 8 SO4 + 17 NO + 2 H2O
C6H12O6 + AgNO3 + NH4OH = C6H12O7 + Ag + NH3 =>
9 C6H12O6 + 2 AgNO3 + 3 NH4OH = 9 C6H12O7 + 2 Ag + 5 NH3
NH4Cl + AgBr = NH4Br + AgCl =>
NH4Cl + AgBr = NH4Br + AgCl
Zn(OH)3 + HBr = ZnBr3 + H2O =>
Zn(OH)3 + 3 HBr = ZnBr3 + 3 H2O
N3H12PO4 + PbN4O12 = Pb3P4O16 + H4N2O3 =>
4 N3H12PO4 + 3 PbN4O12 = Pb3P4O16 + 12 H4N2O3
Ba(NO3)2 + CrPO4 = Ba3(PO4)2 + Cr(NO3)3 =>
3 Ba(NO3)2 + 2 CrPO4 = Ba3(PO4)2 + 2 Cr(NO3)3
Mg(s) + Zn(NO3)2(aq) = Mg(NO3)2(aq) + Zn(s) =>
Mg(s) + Zn(NO3)2(aq) = Mg(NO3)2(aq) + Zn(s)
MnO4{-} + H{+} + Br{-} = Mn{2+} + Br2 + H2O =>
2 MnO4{-} + 16 H{+} + 10 Br{-} = 2 Mn{2+} + 5 Br2 + 8 H2O
H2SO4 + Cd(OH)2 = CdSO4 + H2O =>
H2SO4 + Cd(OH)2 = CdSO4 + 2 H2O
FeCl2 + Cu2SO4 = FeSO4 + CuCl =>
FeCl2 + Cu2SO4 = FeSO4 + 2 CuCl
MnO4{-} + C2H6O + H{+} = Mn{+2} + C2H4O + H2O =>
2 MnO4{-} + 5 C2H6O + 6 H{+} = 2 Mn{+2} + 5 C2H4O + 8 H2O
K3PO4 + NiBr2 = Ni3O8P2 + KBr =>
2 K3PO4 + 3 NiBr2 = Ni3O8P2 + 6 KBr
(NH4)2Cr2O7(aq) = Cr2O3(s) + H2O(g) + N2(g) =>
(NH4)2Cr2O7(aq) = Cr2O3(s) + 4 H2O(g) + N2(g)
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
OsSiO4 + Bi3(AsO4)5 = Os3(AsO4)4 + Bi4(SiO4)5 =>
15 OsSiO4 + 4 Bi3(AsO4)5 = 5 Os3(AsO4)4 + 3 Bi4(SiO4)5
CaNO + H2SO4 = CaSO4 + H2NO =>
CaNO + H2SO4 = CaSO4 + H2NO
NO2 = N2O3 + O2 =>
4 NO2 = 2 N2O3 + O2
KCl + MgCl2 = Cl + MgK2 =>
2 KCl + MgCl2 = 4 Cl + MgK2
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