| Équations équilibrées la veille |
4 H3BO3 + K2CO3 = K2B4O7 + CO2 + 6 H2O
CH3CHCHCH3 + KMnO4 + H2O = CH3(OH)CH(OH)CHCH3 + KOH + MnO2 =>
3 CH3CHCHCH3 + 2 KMnO4 + 4 H2O = 3 CH3(OH)CH(OH)CHCH3 + 2 KOH + 2 MnO2
HCl(aq)NaHCO3(s) = NaCl(aq)H2O(l)CO2(g) =>
HCl(aq)NaHCO3(s) = NaCl(aq)H2O(l)CO2(g)
As + H2O = As2O3 + H =>
2 As + 3 H2O = As2O3 + 6 H
H3BO3 + K2CO3 = K3BO3 + H2CO3 =>
2 H3BO3 + 3 K2CO3 = 2 K3BO3 + 3 H2CO3
H2O + As = HAsO2 + H3O =>
5 H2O + As = HAsO2 + 3 H3O
IO3 + HCl = I2 + Cl + H2O =>
2 IO3 + 12 HCl = I2 + 12 Cl + 6 H2O
MnO4{-} + ClO2{-} + H{+} = MnO2 + ClO4{-} + OH{-} =>
4 MnO4{-} + 3 ClO2{-} + 2 H{+} = 4 MnO2 + 3 ClO4{-} + 2 OH{-}
FeSO4 + Na2CO3 = FeNa2 + CO3SO4 =>
FeSO4 + Na2CO3 = FeNa2 + CO3SO4
C6H8O7 + Na2CO3 = Na3C6H6O7 + H2O + CO2 =>
19 C6H8O7 + 27 Na2CO3 = 18 Na3C6H6O7 + 22 H2O + 33 CO2
Mn(NO3)2 + KOH = Mn(OH)2 + KNO3 =>
Mn(NO3)2 + 2 KOH = Mn(OH)2 + 2 KNO3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
K2CO3 + H3BO3 = K3BO3 + CO2 + H2O =>
3 K2CO3 + 2 H3BO3 = 2 K3BO3 + 3 CO2 + 3 H2O
HgO + S = SO2 + Hg =>
2 HgO + S = SO2 + 2 Hg
As + H2O = H2AsO4{-} + AsH3 + H{+} =>
8 As + 12 H2O = 3 H2AsO4{-} + 5 AsH3 + 3 H{+}
Cu(s) + AgNO3(ag) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(ag) = Cu(NO3)2(aq) + 2 Ag(s)
CrO7{2-} + Cl{-} + H3O{+} = Cr{3+} + Cl2 + H2O =>
2 CrO7{2-} + 18 Cl{-} + 28 H3O{+} = 2 Cr{3+} + 9 Cl2 + 42 H2O
Na2SO4 + Cu(OH)2 + HCl = HNa2Cl + CuSO4(OH)2 =>
Na2SO4 + Cu(OH)2 + HCl = HNa2Cl + CuSO4(OH)2
C2H3N + H2O = C2H5ON =>
C2H3N + H2O = C2H5ON
SCl2 + O2 = SOCl2 =>
2 SCl2 + O2 = 2 SOCl2
KHCO3HBr = KHBrHCO3 =>
KHCO3HBr = KHBrHCO3
AgNO3(ag) + Cu(s) = Cu(NO3)2(ag) + Ag(s) =>
2 AgNO3(ag) + Cu(s) = Cu(NO3)2(ag) + 2 Ag(s)
I2 + NH4OH = NI3NH3 + NH4I + H2O =>
3 I2 + 5 NH4OH = NI3NH3 + 3 NH4I + 5 H2O
V2(CO3)3 = V2O3 + CO2 =>
V2(CO3)3 = V2O3 + 3 CO2
AgNO3(ag) + Cu(s) = Cu(NO3)2 + Ag(s) =>
2 AgNO3(ag) + Cu(s) = Cu(NO3)2 + 2 Ag(s)
SCl2 + O2 = SO3 + Cl2 =>
2 SCl2 + 3 O2 = 2 SO3 + 2 Cl2
Al2 + H2O = Al2O3 + H2 =>
Al2 + 3 H2O = Al2O3 + 3 H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Cu(s) + AgNo3(ag) = Cu(No3)2(ag) + Ag(s) =>
Cu(s) + 2 AgNo3(ag) = Cu(No3)2(ag) + 2 Ag(s)
Fe + CH3COOH = Fe{+} + C2H3O2{-} + H2 =>
2 Fe + 2 CH3COOH = 2 Fe{+} + 2 C2H3O2{-} + H2
CH3C(CH3)CCH3 + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
10 CH3C(CH3)CCH3 + 18 KMnO4 + 27 H2SO4 = 25 CH3COOH + 18 MnSO4 + 9 K2SO4 + 22 H2O
I2 + NH4OH = NI3*NH3 + NH4I + H2O =>
3 I2 + 5 NH4OH = NI3*NH3 + 3 NH4I + 5 H2O
SCl2 + O2 = SO3 + Cl2O5 =>
SCl2 + 4 O2 = SO3 + Cl2O5
NH4OH + I2 = NI3 + H2O + H2 =>
2 NH4OH + 3 I2 = 2 NI3 + 2 H2O + 3 H2
H(SO4) + NaOH = Na(SO4) + H2O =>
H(SO4) + NaOH = Na(SO4) + H2O
CuO + Ag = Cu + AgO =>
CuO + Ag = Cu + AgO
LiBr + H2O = Li2O + HBr =>
2 LiBr + H2O = Li2O + 2 HBr
Cu{2+} + Fe = Cu + Fe{4+} =>
2 Cu{2+} + Fe = 2 Cu + Fe{4+}
SO2 + LiOH = LiHSO3 =>
SO2 + LiOH = LiHSO3
C2H6O + O = CO2 + H =>
C2H6O + 3 O = 2 CO2 + 6 H
CH3CCCH3 + KMnO4 + KOH = CH3COOK + K2MnO4 + H2O =>
CH3CCCH3 + 6 KMnO4 + 8 KOH = 2 CH3COOK + 6 K2MnO4 + 4 H2O
CH3CSNH2 + H2O + H = CH3COOH + NH4 + H2S =>
CH3CSNH2 + 2 H2O + H = CH3COOH + NH4 + H2S
I2 + NH4OH = NH4I + NI3 + H2O =>
3 I2 + 4 NH4OH = 3 NH4I + NI3 + 4 H2O
P + K2Cr2O7 + H2SO4 = H3PO4 + K2SO4 + Cr2(SO4)3 + H2O =>
6 P + 5 K2Cr2O7 + 20 H2SO4 = 6 H3PO4 + 5 K2SO4 + 5 Cr2(SO4)3 + 11 H2O
Ba(NO3)2(aq) + (NH4)2CO3(aq) = BaCO3(s) + NH4NO3(aq) =>
Ba(NO3)2(aq) + (NH4)2CO3(aq) = BaCO3(s) + 2 NH4NO3(aq)
P2O5 + H2O + MgSO4 + NH3 = MgNH4PO4*6H2O + SO3 =>
P2O5 + 13 H2O + 2 MgSO4 + 2 NH3 = 2 MgNH4PO4*6H2O + 2 SO3
Zn + C = CZn =>
Zn + C = CZn
MnSO4 + Na2CO3 + HCl = Na2SO4 + H2CO3 + MnCl2 =>
MnSO4 + Na2CO3 + 2 HCl = Na2SO4 + H2CO3 + MnCl2
ZnCl2 + H2SO4 + HNO3 = Zn(HSO4)2 + NOCl + Cl2 + H2O =>
3 ZnCl2 + 6 H2SO4 + 2 HNO3 = 3 Zn(HSO4)2 + 2 NOCl + 2 Cl2 + 4 H2O
H{+} + MnO4{-} + NO2{-} = NO3{-} + MnO2 + H2O =>
2 H{+} + 2 MnO4{-} + 3 NO2{-} = 3 NO3{-} + 2 MnO2 + H2O
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Équations équilibrées sur11/14/24
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