| Équations équilibrées la veille |
C2H4O2 + NaHCO3 = H2O + CO2 + CH3CO2Na
K3PO4 + MgI2 = K3I2 + MgPO4 =>
K3PO4 + MgI2 = K3I2 + MgPO4
Sr(C2H3O2) + Ca3P2 = Sr3P2 + C2H3O2(Ca) =>
3 Sr(C2H3O2) + Ca3P2 = Sr3P2 + 3 C2H3O2(Ca)
CH3CH2CH3 + Br2 = CH3CCH3Br2 + HBr =>
CH3CH2CH3 + 2 Br2 = CH3CCH3Br2 + 2 HBr
Na2CO3(aq) + AgNO3(aq) = Ag2CO3(s) + NaNO3(aq) =>
Na2CO3(aq) + 2 AgNO3(aq) = Ag2CO3(s) + 2 NaNO3(aq)
Cl{-} + H2O2 + H{+} = Cl2 + H2O =>
2 Cl{-} + H2O2 + 2 H{+} = Cl2 + 2 H2O
KBr(aq) + CaI2(aq) = CaBr2(aq) + KI(aq) =>
2 KBr(aq) + CaI2(aq) = CaBr2(aq) + 2 KI(aq)
Ca(SiO3) = CaSi + O =>
Ca(SiO3) = CaSi + 3 O
C2H5OH + KCr2O7 + H2SO4 = CH3CHOO + Cr2(SO4)3 + K2SO4 + H2O =>
7 C2H5OH + 4 KCr2O7 + 14 H2SO4 = 7 CH3CHOO + 4 Cr2(SO4)3 + 2 K2SO4 + 21 H2O
KBr(s) + H2SO4(aq) = K2SO4(aq) + HBr(g) =>
2 KBr(s) + H2SO4(aq) = K2SO4(aq) + 2 HBr(g)
CaCN2 + H2O = Ca(HCN2)2 + Ca(OH)2 =>
2 CaCN2 + 2 H2O = Ca(HCN2)2 + Ca(OH)2
KBrO3 + SnCl2 + HCl = Br2 + SnCl4 + KCl + H2O =>
2 KBrO3 + 5 SnCl2 + 12 HCl = Br2 + 5 SnCl4 + 2 KCl + 6 H2O
KCIO3 + H2SO4 = HCIO4 + CIO2 + K2SO4 + H2O =>
6 KCIO3 + 3 H2SO4 = 2 HCIO4 + 4 CIO2 + 3 K2SO4 + 2 H2O
C250H500 + O2 = CO2 + H2O =>
C250H500 + 375 O2 = 250 CO2 + 250 H2O
KCl(aq) + Na2SO4(aq) = K2SO4(aq) + NaCl(s) =>
2 KCl(aq) + Na2SO4(aq) = K2SO4(aq) + 2 NaCl(s)
H2SO4 + NaCI = HCI + Na2SO4 =>
H2SO4 + 2 NaCI = 2 HCI + Na2SO4
H8B10O16N2*8H2O = B2O3 + H2O + NH3 =>
H8B10O16N2*8H2O = 5 B2O3 + 9 H2O + 2 NH3
KCl + ICl3 = Cl2 + KI =>
KCl + ICl3 = 2 Cl2 + KI
Na2CO3 + MgCI2 = Na2CI2 + MgCO3 =>
Na2CO3 + MgCI2 = Na2CI2 + MgCO3
Na2CO3(aq) + Pb(NO3)2(aq) = NaNO3 + Pb(CO3)(s) =>
Na2CO3(aq) + Pb(NO3)2(aq) = 2 NaNO3 + Pb(CO3)(s)
C(s) + Fe2O3(s) = Fe + CO(g) =>
3 C(s) + Fe2O3(s) = 2 Fe + 3 CO(g)
KCl + NH3 = KNH3 + Cl =>
KCl + NH3 = KNH3 + Cl
KHC3H4O4 + NaOH = NaKC3H4O4 + H2O =>
KHC3H4O4 + NaOH = NaKC3H4O4 + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ti(ClO3)3 + Au2SO4 = Ti2(SO4)3 + AuClO3 =>
2 Ti(ClO3)3 + 3 Au2SO4 = Ti2(SO4)3 + 6 AuClO3
Sr{2+} + NO3{-} = Sr(NO3)2 =>
Sr{2+} + 2 NO3{-} = Sr(NO3)2
CH3CHO + I2 = CI3CHO + HI =>
CH3CHO + 3 I2 = CI3CHO + 3 HI
KI + HClO = I2 + KOH + Cl2 =>
2 KI + 2 HClO = I2 + 2 KOH + Cl2
ClO{-} + H{+} + e = Cl2 + H2O =>
2 ClO{-} + 4 H{+} + 2e = Cl2 + 2 H2O
KIO3 + H2O = K2O + HIO3 =>
2 KIO3 + H2O = K2O + 2 HIO3
KI + K2Cr2O7 + H2SO4 + CHCl3 = I2CHCl3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 KI + K2Cr2O7 + 7 H2SO4 + 3 CHCl3 = 3 I2CHCl3 + 4 K2SO4 + Cr2(SO4)3 + 7 H2O
NO + KMnO4 + H2SO4 = MnSO4 + KNO3 + Mn(NO3)2 + H2O =>
5 NO + 3 KMnO4 + 2 H2SO4 = 2 MnSO4 + 3 KNO3 + Mn(NO3)2 + 2 H2O
KMnO4 + Al2(CO3)3 = K2CO3 + Al(MnO4)3 =>
6 KMnO4 + Al2(CO3)3 = 3 K2CO3 + 2 Al(MnO4)3
CH2O2 + [Ag(NH3)2]OH = CO2 + H2O + Ag + NH3 =>
CH2O2 + 2[Ag(NH3)2]OH = CO2 + 2 H2O + 2 Ag + 4 NH3
KMnO4 + C2H5OH + KOH = K2CO3 + K2MnO4 + H2O =>
12 KMnO4 + C2H5OH + 16 KOH = 2 K2CO3 + 12 K2MnO4 + 11 H2O
KMnO4 + C3H5(OH)3 = K2CO3 + Mn2O3 + CO2 + H2O =>
14 KMnO4 + 4 C3H5(OH)3 = 7 K2CO3 + 7 Mn2O3 + 5 CO2 + 16 H2O
Mg(s) + ZnCl2(aq) = MgCl2 + Zn =>
Mg(s) + ZnCl2(aq) = MgCl2 + Zn
KMnO4 + C6H8O7 = HMnO4 + C6H5K3O7 =>
3 KMnO4 + C6H8O7 = 3 HMnO4 + C6H5K3O7
CaCl2 + FeCl3 = Ca(Cl3)2 + FeCl2 =>
CaCl2 + 4 FeCl3 = Ca(Cl3)2 + 4 FeCl2
KMnO4 + CH3CH2OH + NaOH = CH3COOH + H2O + K2MnO4 + NaMnO4 =>
8 KMnO4 + CH3CH2OH + 4 NaOH = CH3COOH + 3 H2O + 4 K2MnO4 + 4 NaMnO4
Na2S2O3 + HNO3 = NaNO3 + H2(S2O3) =>
Na2S2O3 + 2 HNO3 = 2 NaNO3 + H2(S2O3)
As2O3 + KMnO4 + H2O + HCl = H3AsO4 + MnCl2 + KCl =>
5 As2O3 + 4 KMnO4 + 9 H2O + 12 HCl = 10 H3AsO4 + 4 MnCl2 + 4 KCl
CuO + C2H4 = Cu + CO2 + H2O =>
6 CuO + C2H4 = 6 Cu + 2 CO2 + 2 H2O
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
KMnO4 + K2SO3 = MnO2 + K2SO4 + K =>
KMnO4 + 2 K2SO3 = MnO2 + 2 K2SO4 + K
Na2S(aq) + BaCl2(aq) = NaCl + BaS(s) =>
Na2S(aq) + BaCl2(aq) = 2 NaCl + BaS(s)
AgNo3 + (CaCl2)2 = AgCl + Ca(No3)2 =>
4 AgNo3 + (CaCl2)2 = 4 AgCl + 2 Ca(No3)2
KMnO4 + SnCl2 + KOH = K2MnO3 + K2SnO3 + KCl + H2O =>
2 KMnO4 + 3 SnCl2 + 14 KOH = 2 K2MnO3 + 3 K2SnO3 + 6 KCl + 7 H2O
H2O + Pb3(AsO3)2 = H3(AsO3) + Pb(OH)2 =>
6 H2O + Pb3(AsO3)2 = 2 H3(AsO3) + 3 Pb(OH)2
AgCl + KI = AgIKCl =>
AgCl + KI = AgIKCl
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