| Équations équilibrées la veille |
2 HNO3 + K2CO3 = 2 KNO3 + H2CO3
Mg + HNO3 + HCl = MgCl2 + NO + H2O =>
3 Mg + 2 HNO3 + 6 HCl = 3 MgCl2 + 2 NO + 4 H2O
Os(CO) + O2 = OsO4 + CO2 =>
2 Os(CO) + 5 O2 = 2 OsO4 + 2 CO2
C6H6 + Br2 = C6H3Br3 + HBr =>
C6H6 + 3 Br2 = C6H3Br3 + 3 HBr
Cr(No3)3 + NaOH = Cr(OH)3 + NaNo3 =>
Cr(No3)3 + 3 NaOH = Cr(OH)3 + 3 NaNo3
NaHCO3 = Na2CO3CO2 + H2O =>
2 NaHCO3 = Na2CO3CO2 + H2O
NO2(g) + H2O(l) + O2(g) = HNO3(aq) =>
4 NO2(g) + 2 H2O(l) + O2(g) = 4 HNO3(aq)
H2SO4 + C = CO2 + H2O + SO2 =>
2 H2SO4 + C = CO2 + 2 H2O + 2 SO2
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
Al2(SO4)3 + K2SO3 + H2O = Al(OH)3 + SO2 + K2SO4 =>
Al2(SO4)3 + 3 K2SO3 + 3 H2O = 2 Al(OH)3 + 3 SO2 + 3 K2SO4
ZnS + O = ZnO + S =>
ZnS + O = ZnO + S
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
KOH(aq)CuSO4(aq) = CuOHKSO4 =>
KOH(aq)CuSO4(aq) = CuOHKSO4
Fe(NO3)2{+} + KSCN = Fe(SCN)2{+} + KNO3 =>
Fe(NO3)2{+} + 2 KSCN = Fe(SCN)2{+} + 2 KNO3
Hg(Ac)2 + Na2S = Hg2S + Na(Ac)2 =>
2 Hg(Ac)2 + Na2S = Hg2S + 2 Na(Ac)2
Al203 + HCl = AlCl3 + H2 =>
2 Al203 + 1218 HCl = 406 AlCl3 + 609 H2
FeS(s) + O2(g) = Fe2O3 + SO2(g) =>
4 FeS(s) + 7 O2(g) = 2 Fe2O3 + 4 SO2(g)
B + HClO3 + H2O = H3BO3 + HCl =>
2 B + HClO3 + 3 H2O = 2 H3BO3 + HCl
CU(OH)2 = CUOH2O =>
CU(OH)2 = CUOH2O
N3 + H6 = NH4N =>
2 N3 + 2 H6 = 3 NH4N
KMnO4 + HNO2 + H2SO4 = HNO3 + K2SO4 + MnSO + H2O =>
2 KMnO4 + 11 HNO2 + 3 H2SO4 = 11 HNO3 + K2SO4 + 2 MnSO + 3 H2O
KI = IK =>
KI = IK
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
K2CO3 + H2SO4 = K2SO4 + CO3 + H2 =>
K2CO3 + H2SO4 = K2SO4 + CO3 + H2
KMnO4 + H2SO4 + C6H10 = K2SO4 + C6H10O4 + MnSO4 + H2O =>
8 KMnO4 + 12 H2SO4 + 5 C6H10 = 4 K2SO4 + 5 C6H10O4 + 8 MnSO4 + 12 H2O
Na + HClO = NaOH + Cl10 =>
10 Na + 10 HClO = 10 NaOH + Cl10
H2S + K2CO3 = H2CO3 + K2S =>
H2S + K2CO3 = H2CO3 + K2S
NaClK[Sb(OH)6] = Na[Sb(OH)6]KCl =>
NaClK[Sb(OH)6] = Na[Sb(OH)6]KCl
[NH4]2Fe[SO4]2 + NaOH = Fe[OH]2 + NH4NaSO4 =>
[NH4]2Fe[SO4]2 + 2 NaOH = Fe[OH]2 + 2 NH4NaSO4
Fe{3}{+} + NH3 + H2O = NH4{+}{+} + Fe(OH)3 =>
Fe{3}{+} + 3 NH3 + 3 H2O = 3 NH4{+}{+} + Fe(OH)3
SrCl2 + O2 = Sr(ClO3)2 =>
SrCl2 + 3 O2 = Sr(ClO3)2
N3 + O2 = N2O3 =>
4 N3 + 9 O2 = 6 N2O3
C9H18O + O2 = CO2 + H2O =>
C9H18O + 13 O2 = 9 CO2 + 9 H2O
C8H4O2 + O2 = CO2 + H2O =>
C8H4O2 + 8 O2 = 8 CO2 + 2 H2O
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
K3PO4 + BaCl2 = KCl + Ba3(PO4)2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3(PO4)2
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
C9H21N3O3 = C9 + HNO3 + N2H20 =>
C9H21N3O3 = C9 + HNO3 + N2H20
HCl(s) + NaOH(s) = NaCl(aq) + H2O(l) =>
HCl(s) + NaOH(s) = NaCl(aq) + H2O(l)
O5 = O7 =>
7 O5 = 5 O7
Cu2(CO3)2 = Cu + (CO3)2 =>
Cu2(CO3)2 = 2 Cu + (CO3)2
MgSO4 + BaI2 = MgI2 + BaSO4 =>
MgSO4 + BaI2 = MgI2 + BaSO4
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Hg2(NO3)2 + KI = HgI + KNO3 =>
Hg2(NO3)2 + 2 KI = 2 HgI + 2 KNO3
O2 + S = OS =>
O2 + 2 S = 2 OS
Ce + N2 = CeN =>
2 Ce + N2 = 2 CeN
H2S + ClO2 + H2O = SO42{-} + Cl{-} + H{+} =>
H2S + 17 ClO2 + 8 H2O = SO42{-} + 17 Cl{-} + 18 H{+}
KBr + K2Cr2O7 + H2SO4 = Br2 + Cr2(SO4)3 + H2O + K2SO4 =>
6 KBr + K2Cr2O7 + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + 7 H2O + 4 K2SO4
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
HNO3Mg(OH)2 = MgNO3H(OH)2 =>
HNO3Mg(OH)2 = MgNO3H(OH)2
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| Équations équilibrées la veille |
Équations équilibrées sur11/17/24
Équations équilibrées sur12/17/23
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