| Équations équilibrées la veille |
N2H4 + O2 = 2 NH2O
C7H6O + C3H4O4 = C6H5CHCHCO2H =>
6 C7H6O + C3H4O4 = 5 C6H5CHCHCO2H
FeCl3 + Na2SO3 = Fe2(SO3)3 + Na + Cl =>
2 FeCl3 + 3 Na2SO3 = Fe2(SO3)3 + 6 Na + 6 Cl
Mg + Hg(NO3)2 = Hg + Mg(NO3)2 =>
Mg + Hg(NO3)2 = Hg + Mg(NO3)2
Mg(NO3)2 + Na2CO3 = MgCO3(s) + Na2(NO3)2(aq) =>
Mg(NO3)2 + Na2CO3 = MgCO3(s) + Na2(NO3)2(aq)
Ca(OH)2 + (NH4)2S = NH3 + H2O + CaS =>
Ca(OH)2 + (NH4)2S = 2 NH3 + 2 H2O + CaS
KMnO4 + MnSO4 + H2SO4 = H2O + K2SO4 + Mn(SO4)2 =>
2 KMnO4 + 3 MnSO4 + 8 H2SO4 = 8 H2O + K2SO4 + 5 Mn(SO4)2
N2 + O2 = O2N =>
N2 + 2 O2 = 2 O2N
Mg(NO3)2 + KOH = Mg(OH)2 + KNO3 =>
Mg(NO3)2 + 2 KOH = Mg(OH)2 + 2 KNO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuCl2 + H2O = CuOHCl + HCl =>
CuCl2 + H2O = CuOHCl + HCl
HI(aq) + RbOH(aq) = H2O(l) + RbI =>
HI(aq) + RbOH(aq) = H2O(l) + RbI
Fe2S3 + O2 + H2O = Fe2O3 + H2SO4 =>
Fe2S3 + 6 O2 + 3 H2O = Fe2O3 + 3 H2SO4
CH3OH + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
CH3OH + K2Cr2O7 + 4 H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + 6 H2O
AgNO3(aq) + LiBr(aq) = AgBr(s) + LiNO3(aq) =>
AgNO3(aq) + LiBr(aq) = AgBr(s) + LiNO3(aq)
S8 + O4 = SO2 =>
S8 + 4 O4 = 8 SO2
H2S + KHSO4 = H2SO4 + KHS =>
H2S + KHSO4 = H2SO4 + KHS
FeCl2 + NaNO3 + HCl = FeCl4 + NaCl + H2O + NO =>
3 FeCl2 + 2 NaNO3 + 8 HCl = 3 FeCl4 + 2 NaCl + 4 H2O + 2 NO
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
AgClO3 + Ni(NO3)2 = AgNO3 + Ni(ClO3)2 =>
2 AgClO3 + Ni(NO3)2 = 2 AgNO3 + Ni(ClO3)2
Fe2O3 + H2SO4 + Fe = FeSO4 + H2O =>
Fe2O3 + 3 H2SO4 + Fe = 3 FeSO4 + 3 H2O
BaCl2 + NaI = BaI + NaCl2 =>
BaCl2 + NaI = BaI + NaCl2
HCl + C7H8 = C7H7Cl + H3 =>
3 HCl + 3 C7H8 = 3 C7H7Cl + 2 H3
KH + KIO3 + H2SO4 = I2 + H2O + K2SO4 =>
10 KH + 4 KIO3 + 7 H2SO4 = 2 I2 + 12 H2O + 7 K2SO4
NiO + HCl = NiCl2 + H2O =>
NiO + 2 HCl = NiCl2 + H2O
KBr(aq) + CaI2(aq) = KI(aq) + CaBr2(aq) =>
2 KBr(aq) + CaI2(aq) = 2 KI(aq) + CaBr2(aq)
KOH + NH4Cl = KCl(s) + NH4OH(aq) =>
KOH + NH4Cl = KCl(s) + NH4OH(aq)
Cr2O7{-2} + H{+} + Fe{-2} = Cr{+3} + Fe{+3} + H2O =>
5 Cr2O7{-2} + 70 H{+} + 6 Fe{-2} = 10 Cr{+3} + 6 Fe{+3} + 35 H2O
Na2Cr2O7 + CH3CH2OH + H2SO4 = Na2SO4 + Cr2(SO4)2 + CH3COOH + H2O =>
Na2Cr2O7 + 2 CH3CH2OH + 3 H2SO4 = Na2SO4 + Cr2(SO4)2 + 2 CH3COOH + 5 H2O
KMnO4 + (COONa)2 + H2SO4 = CO2 + H2O + Na2SO4 + MnSO4 + COOK =>
KMnO4 + 3(COONa)2 + 4 H2SO4 = 5 CO2 + 4 H2O + 3 Na2SO4 + MnSO4 + COOK
Fe + H2O = Fe(OH)2 + H2 =>
Fe + 2 H2O = Fe(OH)2 + H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NO2 + NaNH2 = NaN3 + NaOH + NH3 =>
8 NO2 + 23 NaNH2 = 7 NaN3 + 16 NaOH + 10 NH3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Mn(NO3)2 + (NH4)3PO4 = Mn3(PO4)2 + (NH4)(NO3) =>
3 Mn(NO3)2 + 2(NH4)3PO4 = Mn3(PO4)2 + 6(NH4)(NO3)
H2 + O3 = H2O =>
3 H2 + O3 = 3 H2O
Sn(NO3)2 + K3PO4 = Sn3(PO4)2 + KNO3 =>
3 Sn(NO3)2 + 2 K3PO4 = Sn3(PO4)2 + 6 KNO3
SiC + KOH + O2 = K2SiO3 + K2CO3 + H2O =>
SiC + 4 KOH + 2 O2 = K2SiO3 + K2CO3 + 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
NCl3 + NO = N2 + Cl2O =>
4 NCl3 + 6 NO = 5 N2 + 6 Cl2O
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
Mg + Zn3(PO4)2 = Mg3(PO4)2 + Zn =>
3 Mg + Zn3(PO4)2 = Mg3(PO4)2 + 3 Zn
S8 + HNO3 = H2SO4 + NO2 + H2O1 =>
S8 + 48 HNO3 = 8 H2SO4 + 48 NO2 + 16 H2O1
HNO3 + Cu = Cu(NO3)2 + N02 + H2O =>
12 HNO3 + 5 Cu = 5 Cu(NO3)2 + N02 + 6 H2O
CuSO4H2O + Fe = FeSO4H2O + Cu =>
CuSO4H2O + Fe = FeSO4H2O + Cu
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
CO + H2 = CH3OH =>
CO + 2 H2 = CH3OH
LiOH + Cu(NO3)2 = Li(NO3)2 + OHCu =>
LiOH + Cu(NO3)2 = Li(NO3)2 + OHCu
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
KCl + BeCl2 = K2[BeCl4] =>
2 KCl + BeCl2 = K2[BeCl4]
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