| Équations équilibrées la veille |
2 HCl + CaCO3 = CaCl2 + H2O + CO2
NH3 + Cr(NO3)3 + H2O = NH4NO3 + Cr =>
30 NH3 + 8 Cr(NO3)3 + 9 H2O = 27 NH4NO3 + 8 Cr
K2S2O8 + KI = K2SO4 + I =>
K2S2O8 + 2 KI = 2 K2SO4 + 2 I
C6H12O6 = CO2 + H2 + C4H7O2 =>
2 C6H12O6 = 4 CO2 + 5 H2 + 2 C4H7O2
KNO3 + C12H22O11 = CO2 + KHCO3 + H2O + N2 =>
48 KNO3 + 5 C12H22O11 = 12 CO2 + 48 KHCO3 + 31 H2O + 24 N2
(CH3)2NH + HCl = (CH3)2NH2 + Cl =>
(CH3)2NH + HCl = (CH3)2NH2 + Cl
Ca(BrO3) + HO3 = HBrO3 + CaO3 =>
Ca(BrO3) + HO3 = HBrO3 + CaO3
H2O = H21 + O2 =>
42 H2O = 4 H21 + 21 O2
NaHCO3(s) + HCI(aq) = NaCI(aq) + H2CO3(aq) =>
NaHCO3(s) + HCI(aq) = NaCI(aq) + H2CO3(aq)
HgCl2 + NaI = HgI2 + NaCl =>
HgCl2 + 2 NaI = HgI2 + 2 NaCl
CF2O2 + H = CFO2 + HF =>
CF2O2 + H = CFO2 + HF
Fe(H2SO4) = (FeSO4) + H2 =>
Fe(H2SO4) = (FeSO4) + H2
H2(g) + Fe2O3(s) = FeO(s) + H2O(l) =>
H2(g) + Fe2O3(s) = 2 FeO(s) + H2O(l)
Al(s) + NaOH(aq) = H2(g) + Na2AlO2(s) =>
Al(s) + 2 NaOH(aq) = H2(g) + Na2AlO2(s)
CH3COOH + K = CH3COOK + H2 =>
2 CH3COOH + 2 K = 2 CH3COOK + H2
NaClO3 + MnO2 + NaOH = Na2MnO4 + NaCl + H2O =>
NaClO3 + 3 MnO2 + 6 NaOH = 3 Na2MnO4 + NaCl + 3 H2O
Mn2{+} + BiO3{-} + H{+} = MnO4{-} + Bi{3+} + H2O =>
2 Mn2{+} + 13 BiO3{-} + 46 H{+} = 4 MnO4{-} + 13 Bi{3+} + 23 H2O
Au2(SO3)3 + Ca3(PO4) = Au(PO4) + Ca2(SO3) =>
Au2(SO3)3 + 2 Ca3(PO4) = 2 Au(PO4) + 3 Ca2(SO3)
C2H5OH + O2 = C2H3O2 + H2O =>
4 C2H5OH + 5 O2 = 4 C2H3O2 + 6 H2O
C4H9Br + AgNO3 + CH3CH2OH = AgBr + HNO3 + C4H9OCH2CH3 =>
C4H9Br + AgNO3 + CH3CH2OH = AgBr + HNO3 + C4H9OCH2CH3
Co(s) + Pb(NO3)2(aq) = Co(NO3)2(aq) + Pb(s) =>
Co(s) + Pb(NO3)2(aq) = Co(NO3)2(aq) + Pb(s)
NaCrO2 + H2O2 + Na(OH) = Na2CrO4 + H2O =>
2 NaCrO2 + 3 H2O2 + 2 Na(OH) = 2 Na2CrO4 + 4 H2O
W + Cl = W6Cl =>
6 W + Cl = W6Cl
K3PO4 + FeCl2 = Fe3(PO4)2 + KCl =>
2 K3PO4 + 3 FeCl2 = Fe3(PO4)2 + 6 KCl
NO2 + Li2O = LiNO2 + LiNO3 =>
2 NO2 + Li2O = LiNO2 + LiNO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2SO4 + Zn = ZnSO4 + H2O + H2S =>
5 H2SO4 + 4 Zn = 4 ZnSO4 + 4 H2O + H2S
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
KOH + Al2O3 = Al(OH)3 + K2O =>
6 KOH + Al2O3 = 2 Al(OH)3 + 3 K2O
CrO3 + C2H5OH = Cr2 + H2O + CO2 =>
2 CrO3 + C2H5OH = Cr2 + 3 H2O + 2 CO2
Au + HCl = AuH + AuCl =>
2 Au + HCl = AuH + AuCl
(MgOH)2CO3 + C3H6O3 = C6H10MgO6 + CO2 + H2O =>
(MgOH)2CO3 + 4 C3H6O3 = 2 C6H10MgO6 + CO2 + 3 H2O
AgI = Ag + I =>
AgI = Ag + I
C6H8 + Br2 = C6H5Br + HBr =>
C6H8 + 2 Br2 = C6H5Br + 3 HBr
CaCO3 + SO2 + H2O = CaSO4 + CO2 + H2 =>
CaCO3 + SO2 + H2O = CaSO4 + CO2 + H2
Ni(OH)2 + H2SO4 = Ni + SO4 + HOH =>
Ni(OH)2 + H2SO4 = Ni + SO4 + 2 HOH
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
AgNO3 + K3PO3 = KNO3 + Ag3PO3 =>
3 AgNO3 + K3PO3 = 3 KNO3 + Ag3PO3
C + Al2O3 = Al4C3 + CO =>
9 C + 2 Al2O3 = Al4C3 + 6 CO
NaCl(s) + H2SO4(aq) = Na2SO4(aq) + HCl =>
2 NaCl(s) + H2SO4(aq) = Na2SO4(aq) + 2 HCl
CuCl2 + Na3PO4 = Cu3(PO4)2 + NaCl =>
3 CuCl2 + 2 Na3PO4 = Cu3(PO4)2 + 6 NaCl
A1(s) + F2(g) = A1F3 =>
2 A1(s) + 3 F2(g) = 2 A1F3
AgC2H3O2 + ZnCl2 = Zn(CH3COO)2 + AgCl =>
2 AgC2H3O2 + ZnCl2 = Zn(CH3COO)2 + 2 AgCl
NaBrO3 + XeF2 + H2O = NaBrO4 + HF + Xe =>
NaBrO3 + XeF2 + H2O = NaBrO4 + 2 HF + Xe
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KHSO4(s) = K2SO4(s) + SO3(g) + H2O =>
2 KHSO4(s) = K2SO4(s) + SO3(g) + H2O
KOH + C3H6O3 = C3H5KO3 + H2O =>
KOH + C3H6O3 = C3H5KO3 + H2O
Sb2O + NaOH = NaSbO + H2O =>
Sb2O + 2 NaOH = 2 NaSbO + H2O
SO2 + HI = S + I + H2O =>
SO2 + 4 HI = S + 4 I + 2 H2O
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
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