| Équations équilibrées la veille |
12 CH4N2O + 15 C2H5OH + 6 H2SO4 + 2 C6H8O7 = 6 C9H8N4OS + 59 H2O
CCl4 + H2 = CH4 + Cl2 =>
CCl4 + 2 H2 = CH4 + 2 Cl2
FeCl3 + K2C2O4 = KFe(C2O4)2 + KCl =>
FeCl3 + 2 K2C2O4 = KFe(C2O4)2 + 3 KCl
Cr + KOH + O2 = K2Cr2O7 + H2O =>
2 Cr + 2 KOH + 3 O2 = K2Cr2O7 + H2O
KMnO4 + C3H8O3 + H2SO4 = K2SO4 + MnO + CO2 + H2O =>
14 KMnO4 + 5 C3H8O3 + 7 H2SO4 = 7 K2SO4 + 14 MnO + 15 CO2 + 27 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ai + N = AiN =>
Ai + N = AiN
AgNO3 + Na2SO3 = Ag2SO3 + NaNO3 =>
2 AgNO3 + Na2SO3 = Ag2SO3 + 2 NaNO3
Na3AsO4 + KI + HCl = AsCl3 + I + KCl + NaCl + H2O =>
Na3AsO4 + 2 KI + 8 HCl = AsCl3 + 2 I + 2 KCl + 3 NaCl + 4 H2O
Sg + Mn = SgMn =>
Sg + Mn = SgMn
CuSO4 + K2HPO4 = Cu(HPO4) + K2SO4 =>
CuSO4 + K2HPO4 = Cu(HPO4) + K2SO4
NaCrO4 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 NaCrO4 + 4 NaNO2 + 4 H2SO4 = 4 NaNO3 + Cr2(SO4)3 + Na2SO4 + 4 H2O
Water = oxygen + hydrogen =>
2 H2O = O2 + 2 H2
Na2SO4 + KOH = K2SO4 + NaOH =>
Na2SO4 + 2 KOH = K2SO4 + 2 NaOH
H{+} + e + SO2 = S + H2O =>
4 H{+} + 4e + SO2 = S + 2 H2O
NaHCO3 + Ba(OH)2 = Na2CO3 + BaCO3 + H2O =>
2 NaHCO3 + Ba(OH)2 = Na2CO3 + BaCO3 + 2 H2O
AgNO3 + CuCl2 = AgCl + Cu(NO3)2 =>
2 AgNO3 + CuCl2 = 2 AgCl + Cu(NO3)2
MgCO3(s) = MgO(s) + CO2(s) =>
MgCO3(s) = MgO(s) + CO2(s)
Mg + Br2 = MgBr2 =>
Mg + Br2 = MgBr2
C2H2 + H2 = C2H4 =>
C2H2 + H2 = C2H4
CuSO4 + NH2CH2COOH + NaOH = C4H8CuN2O4 + H2O + Na2SO4 =>
CuSO4 + 2 NH2CH2COOH + 2 NaOH = C4H8CuN2O4 + 2 H2O + Na2SO4
NaHCO3 + Ba(OH)2 = Na2CO3 + BaCO3 + H2O =>
2 NaHCO3 + Ba(OH)2 = Na2CO3 + BaCO3 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Mg + I2 = MgI2 =>
Mg + I2 = MgI2
C12HO12 + O2 = CO2 + H2O =>
4 C12HO12 + 25 O2 = 48 CO2 + 2 H2O
CuO + NH4 = N2 + H2O + Cu =>
4 CuO + 2 NH4 = N2 + 4 H2O + 4 Cu
CuSO4 + H2O = CuSO4*5H2O(s) =>
CuSO4 + 5 H2O = CuSO4*5H2O(s)
NaCl + CuSO4 + H2O = Na2SO4 + Cu(OH)2 + HCl =>
2 NaCl + CuSO4 + 2 H2O = Na2SO4 + Cu(OH)2 + 2 HCl
FeS + KSCN = Fe(SCN)2 + K2S =>
FeS + 2 KSCN = Fe(SCN)2 + K2S
SnCl2*5H2O + C2H5OH = Sn(OH)2 + C2H5Cl + H2O =>
SnCl2*5H2O + 2 C2H5OH = Sn(OH)2 + 2 C2H5Cl + 5 H2O
C6H5CH2COH + NH4OH = C6H5CH2CH2NH2OH + C6H5CH2COOH + H2O =>
3 C6H5CH2COH + 2 NH4OH = 2 C6H5CH2CH2NH2OH + C6H5CH2COOH + H2O
NO2 + H2O = NHO3 + HNO2 =>
2 NO2 + H2O = NHO3 + HNO2
XNH4NO3 + XNa3PO4 = X(NH4)3PO4 + XNaNO3 =>
3 XNH4NO3 + XNa3PO4 = X(NH4)3PO4 + 3 XNaNO3
BaCl2 + H2SO4 = Ba(OH)2 + HCl + O + S =>
BaCl2 + 2 H2SO4 = Ba(OH)2 + 2 HCl + 6 O + 2 S
SnCl2 + HgCl = SnHg + Cl2 =>
2 SnCl2 + 2 HgCl = 2 SnHg + 3 Cl2
C11 + H2O + N = C11H18N2O3 + O =>
C11 + 9 H2O + 2 N = C11H18N2O3 + 6 O
H2SO4 + KI = I2 + H2S + KHSO4 + H2O =>
9 H2SO4 + 8 KI = 4 I2 + H2S + 8 KHSO4 + 4 H2O
K2(CO3) + MgI2 = KI + Mg(CO3) =>
K2(CO3) + MgI2 = 2 KI + Mg(CO3)
K3VO4 + HNO3 = KNO3 + VO2NO3 + H2O =>
K3VO4 + 4 HNO3 = 3 KNO3 + VO2NO3 + 2 H2O
SiO2 + CF4 = SiF4 + O2 + C2 =>
2 SiO2 + 2 CF4 = 2 SiF4 + 2 O2 + C2
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Ca(NO3)2 + H2O = Ca(NO3)2*4H2O =>
Ca(NO3)2 + 4 H2O = Ca(NO3)2*4H2O
CrO7{2-} + H{+} + C2H6O = Cr3{+} + C2H4O2 + H2O =>
12 CrO7{2-} + 28 H{+} + 35 C2H6O = 4 Cr3{+} + 35 C2H4O2 + 49 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
HNO3 + Al2(SO4)3 = Al(NO3)3 + H2SO4 =>
6 HNO3 + Al2(SO4)3 = 2 Al(NO3)3 + 3 H2SO4
MnCl2 + NH4OH + Br2 = MnO2 + NH4Cl + NH4Br + H2O =>
MnCl2 + 4 NH4OH + Br2 = MnO2 + 2 NH4Cl + 2 NH4Br + 2 H2O
NaOH + H3PO4 = Na3PO4 + H2O* =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O*
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
PO4 + Al = AlPO4 =>
PO4 + Al = AlPO4
(NH4)2CrO4 + ZnBr2 = ZnCrO4 + NH4Br =>
(NH4)2CrO4 + ZnBr2 = ZnCrO4 + 2 NH4Br
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