| Équations équilibrées la veille |
Ca(No3)2(aq) + Na2Co3(aq) = 2 NaNo3(aq) + CaCo3(s)
Fe2O3 + Ag = Fe + AgO3 =>
Fe2O3 + Ag = 2 Fe + AgO3
ScCa3 + TiUO4 + H2SO4 = Ca + Ti2SO4 + USO4 + Sc2(SO4)3 + H2O =>
10 ScCa3 + 6 TiUO4 + 24 H2SO4 = 30 Ca + 3 Ti2SO4 + 6 USO4 + 5 Sc2(SO4)3 + 24 H2O
Na + Cl = NaCl =>
Na + Cl = NaCl
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
XHCl + XCu = XCuCl + XH =>
XHCl + XCu = XCuCl + XH
X + KMnO4 + H2O = X(OH)2 + MnO2 + KOH =>
3 X + 2 KMnO4 + 4 H2O = 3 X(OH)2 + 2 MnO2 + 2 KOH
K3[CoF6] + NH4Cl = (NH4)3[CoF6] + KCl =>
K3[CoF6] + 3 NH4Cl = (NH4)3[CoF6] + 3 KCl
OH + H2S = SH + H2O =>
OH + H2S = SH + H2O
NaHSO4 + Ag2O = Na2SO4 + Ag2SO4 + H2O =>
2 NaHSO4 + Ag2O = Na2SO4 + Ag2SO4 + H2O
Na3MnO4 + H2SO4 = MnSO4 + O2 + H2O + Na2SO4 =>
4 Na3MnO4 + 10 H2SO4 = 4 MnSO4 + 3 O2 + 10 H2O + 6 Na2SO4
Cr2O3 + Cl2 + KOH = K2CrO4 + H2O + KCl =>
Cr2O3 + 3 Cl2 + 10 KOH = 2 K2CrO4 + 5 H2O + 6 KCl
MgSO4 + HF = MgF2 + H2SO4 =>
MgSO4 + 2 HF = MgF2 + H2SO4
HCHO + O2 = HCOOH =>
2 HCHO + O2 = 2 HCOOH
Na2 + H2O = NaOH + H2 =>
Na2 + 2 H2O = 2 NaOH + H2
KICI2 = KCII2 =>
KICI2 = KCII2
NaOH + Li{2}S = LiOH + Na{2}S =>
NaOH + Li{2}S = LiOH + Na{2}S
Pb3(PO4)2 + H3O = Pb + H3PO4 + H2O =>
Pb3(PO4)2 + 6 H3O = 3 Pb + 2 H3PO4 + 6 H2O
NH2{-} + H2O = NH{2-} + H3O{+} =>
NH2{-} + H2O = NH{2-} + H3O{+}
SeO2 + C5H11NO2S = C5H11NO2Se + SO2 =>
SeO2 + C5H11NO2S = C5H11NO2Se + SO2
Pb(II)N + NaCl = NaN + Pb(II)Cl =>
Pb(II)N + NaCl = NaN + Pb(II)Cl
Na2CO3(aq) + K3Fe(CN)6(aq) = NaCN(s) + K3Fe(CO3)3(aq) =>
3 Na2CO3(aq) + K3Fe(CN)6(aq) = 6 NaCN(s) + K3Fe(CO3)3(aq)
C7H6O + H2SO4 = C7H6SO4 + H2O =>
C7H6O + H2SO4 = C7H6SO4 + H2O
C2H5BrKOH(alc) = KBrH2OC2H4 =>
C2H5BrKOH(alc) = KBrH2OC2H4
CH3CCl3 + H2O = CH3COOH + HCl =>
CH3CCl3 + 2 H2O = CH3COOH + 3 HCl
Cl2(g) + KBr(ac) = KCl(ac) + Br2(s) =>
Cl2(g) + 2 KBr(ac) = 2 KCl(ac) + Br2(s)
PbS + H2O2 = PbSOO4 + H2O =>
PbS + 5 H2O2 = PbSOO4 + 5 H2O
H3C6H5O7 + OH{-} = C6H5O7{3-} + H2O =>
H3C6H5O7 + 3 OH{-} = C6H5O7{3-} + 3 H2O
H2O2 + AuCl3 = Au + O2 + HCl =>
3 H2O2 + 2 AuCl3 = 2 Au + 3 O2 + 6 HCl
(NH4)2HPO4 + NaOH = Na3PO4 + NH3 + H2O =>
(NH4)2HPO4 + 3 NaOH = Na3PO4 + 2 NH3 + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
O3 + C2Cl4 + H2O = CO2 + HCl =>
2 O3 + 3 C2Cl4 + 6 H2O = 6 CO2 + 12 HCl
Sr(OH)2 + Be(OH)2 = Be[Sr(OH)4] =>
Sr(OH)2 + Be(OH)2 = Be[Sr(OH)4]
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
(NH4)2CrO4 = Cr2O3 + N2 + H2O + NH3 =>
2(NH4)2CrO4 = Cr2O3 + N2 + 5 H2O + 2 NH3
AgNO3 + K2SO3 = Ag2SO3 + KNO3 =>
2 AgNO3 + K2SO3 = Ag2SO3 + 2 KNO3
KMnO4 + NaSO3 + KOH = NaSO4 + K2MnO4 + H2O =>
2 KMnO4 + NaSO3 + 2 KOH = NaSO4 + 2 K2MnO4 + H2O
ClO3{-} + As2S3 + H2O = Cl{-} + H2AsO4{-} + SO4{2-} + H{+} =>
14 ClO3{-} + 3 As2S3 + 18 H2O = 14 Cl{-} + 6 H2AsO4{-} + 9 SO4{2-} + 24 H{+}
CuCl2 + Ca3(PO4)2 = Ca3Cl2 + (PO4)2Cu =>
CuCl2 + Ca3(PO4)2 = Ca3Cl2 + (PO4)2Cu
Li + H2SO4 = Li2SO4 + H2 =>
2 Li + H2SO4 = Li2SO4 + H2
CH3(CH2)6 + O2 = CO2 + H2O =>
4 CH3(CH2)6 + 43 O2 = 28 CO2 + 30 H2O
CH3NH2HCl = CH3NH3Cl =>
CH3NH2HCl = CH3NH3Cl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
MnSO4 + BaCl2 = MnCl2 + BaSO4 =>
MnSO4 + BaCl2 = MnCl2 + BaSO4
H2S + NH3 = NH4 + S =>
H2S + 2 NH3 = 2 NH4 + S
NaHCO3(s) + CH3COOH(aq) = CH3COONa(aq) + H2O(l) + CO2(g) =>
NaHCO3(s) + CH3COOH(aq) = CH3COONa(aq) + H2O(l) + CO2(g)
C4H10O3 + O2 = CO2 + H2O =>
C4H10O3 + 5 O2 = 4 CO2 + 5 H2O
C2H5Br + O2 = CO2 + HOH + Br2 =>
4 C2H5Br + 13 O2 = 8 CO2 + 10 HOH + 2 Br2
Cu + CH3COOH = Cu(CH3COO) + H2 =>
2 Cu + 2 CH3COOH = 2 Cu(CH3COO) + H2
(Cr(CO(NH2)2)6)4(Fe(CN)6)3 + KMnO2 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + CO2 + N2 + MnSO4 + K2SO4 + H2O =>
2(Cr(CO(NH2)2)6)4(Fe(CN)6)3 + 474 KMnO2 + 732 H2SO4 = 4 Cr2(SO4)3 + 3 Fe2(SO4)3 + 84 CO2 + 66 N2 + 474 MnSO4 + 237 K2SO4 + 828 H2O
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