| Équations équilibrées la veille |
2 HNO3 + CaF2 = Ca(NO3)2 + 2 HF
H2S + HNO3 = H2O + NO + S =>
3 H2S + 2 HNO3 = 4 H2O + 2 NO + 3 S
Fe(OH)3 + NaClO + NaOH = Na2FeO4 + NaCl + H2O =>
2 Fe(OH)3 + 3 NaClO + 4 NaOH = 2 Na2FeO4 + 3 NaCl + 5 H2O
K2Cr2O7 + Fe(CrO2)2 = KCrO2 + Cr2O3 + Fe2O3 =>
K2Cr2O7 + 6 Fe(CrO2)2 = 2 KCrO2 + 6 Cr2O3 + 3 Fe2O3
KI + Pb(NO3)2 = KNO3 + PbI2 =>
2 KI + Pb(NO3)2 = 2 KNO3 + PbI2
B2O3(s) + HF = BF3 + H2O =>
B2O3(s) + 6 HF = 2 BF3 + 3 H2O
(NH4)2SO4 + AgNO3 = NH4NO3 + Ag2SO4 =>
(NH4)2SO4 + 2 AgNO3 = 2 NH4NO3 + Ag2SO4
KOH + H2SO4 = K2SO4 + H2O = =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
La(s) + Cl2(g) = LaCl3(s) =>
2 La(s) + 3 Cl2(g) = 2 LaCl3(s)
Ca(CN)2 + KMnO4 = CaMnO4 + K(CN)2 =>
Ca(CN)2 + KMnO4 = CaMnO4 + K(CN)2
Fe(OH)2 + Br2 = HBr + Fe2O4 =>
2 Fe(OH)2 + 2 Br2 = 4 HBr + Fe2O4
(C2H5)4Pb + O2 = PbO2 + CO2 + H2O =>
(C2H5)4Pb + 14 O2 = PbO2 + 8 CO2 + 10 H2O
CH3Cl + Mg = C2H6 + MgCl2 =>
2 CH3Cl + Mg = C2H6 + MgCl2
MoO3 + KI + HCl = MoIO2 + KCl + I2 + H2O =>
2 MoO3 + 4 KI + 4 HCl = 2 MoIO2 + 4 KCl + I2 + 2 H2O
Na2S*9H2O + FeCl2 = FeS + NaCl + H2O =>
Na2S*9H2O + FeCl2 = FeS + 2 NaCl + 9 H2O
Pb + (NH4)2CO3 = PbCO3 + NH4 =>
Pb + (NH4)2CO3 = PbCO3 + 2 NH4
Na2SO4 + HBr = NaBr + H2SO4 =>
Na2SO4 + 2 HBr = 2 NaBr + H2SO4
SiCl4 + H2O = HSiCl4{+} + HO{-} =>
SiCl4 + H2O = HSiCl4{+} + HO{-}
KClO3(cr) = KCl(cr) + O2 =>
2 KClO3(cr) = 2 KCl(cr) + 3 O2
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
Al(C2H3O2)3(aq) + (NH4)3PO4(aq) = AlPO4(s) + NH4C2H3O2(aq) =>
Al(C2H3O2)3(aq) + (NH4)3PO4(aq) = AlPO4(s) + 3 NH4C2H3O2(aq)
Cr + N = CrN =>
Cr + N = CrN
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
CN + H2O = HCN + O2 =>
4 CN + 2 H2O = 4 HCN + O2
Zn(OH)2 + H2 = Zn + H2O =>
Zn(OH)2 + H2 = Zn + 2 H2O
S + NaOH = Na2S + Na2S2SO3 + H2O =>
5 S + 6 NaOH = 2 Na2S + Na2S2SO3 + 3 H2O
HOH + Ca = CaOH2 =>
HOH + Ca = CaOH2
Cl2 + HOH = HCl + O2 =>
2 Cl2 + 2 HOH = 4 HCl + O2
CH3(CH2)CH2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
I2 + NaBr = I2(Na) + Br =>
I2 + NaBr = I2(Na) + Br
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
PbCO3(s) + HNO3(ac) = Pb(NO3)2(s) + CO2(g) + H2O(l) =>
PbCO3(s) + 2 HNO3(ac) = Pb(NO3)2(s) + CO2(g) + H2O(l)
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
CuSO4 + NaS2 = NaSO4 + CuS2 =>
CuSO4 + NaS2 = NaSO4 + CuS2
H2PO2{-} + TeO4{2-} = PO4{3-} + Te + H{+} + H2O =>
3 H2PO2{-} + 2 TeO4{2-} = 3 PO4{3-} + 2 Te + 2 H{+} + 2 H2O
C6H5NH2 + Br2 = C6H2Br3NH2 + HBr =>
C6H5NH2 + 3 Br2 = C6H2Br3NH2 + 3 HBr
H2S(g) + Ag(s) = Ag2S(s) + H2 =>
H2S(g) + 2 Ag(s) = Ag2S(s) + H2
Dy + Sb = DySb =>
Dy + Sb = DySb
Au(s) + H2S(g) + O2(g) = Au2S(s) + H2O(l) =>
4 Au(s) + 2 H2S(g) + O2(g) = 2 Au2S(s) + 2 H2O(l)
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
HMnO4 + NaHCO3 = NaMnO4 + CO2 + H2O =>
HMnO4 + NaHCO3 = NaMnO4 + CO2 + H2O
CuSO4 + H2SO4 = Cu + SO4H2SO4 =>
CuSO4 + H2SO4 = Cu + SO4H2SO4
C + Ag2SeO3 = Ag2Se + CO2 =>
3 C + 2 Ag2SeO3 = 2 Ag2Se + 3 CO2
ZnS + H2O = Zn(OH)2 + H2S =>
ZnS + 2 H2O = Zn(OH)2 + H2S
KMnO4 + HCl = ClMnO4 + HK =>
KMnO4 + HCl = ClMnO4 + HK
Sr + H{+} = Sr{+2} + H2 =>
Sr + 2 H{+} = Sr{+2} + H2
PbCl2 + KI = PbI2 + KCl =>
PbCl2 + 2 KI = PbI2 + 2 KCl
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
Na3P + KBr = NaBr + K3P =>
Na3P + 3 KBr = 3 NaBr + K3P
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Équations équilibrées sur10/21/24
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