Équations équilibrées la veille |
2 CH3CH3OH + 5 K2Cr2O7 + 20 HH2SO4 = 2 CH3COOH + 5 Cr2(SO4)3 + 5 K2SO4 + 33 H2O
Na2S2O3 + H2SO4 = Na2SO4 + SO2 + H2O =>
Na2S2O3 + 3 H2SO4 = Na2SO4 + 4 SO2 + 3 H2O
Pb(CH3COO)2 + KI = PbI2 + K + CH3COO =>
Pb(CH3COO)2 + 2 KI = PbI2 + 2 K + 2 CH3COO
BaCl2 + K2PO4 = K2Cl2 + BaPO4 =>
BaCl2 + K2PO4 = K2Cl2 + BaPO4
H3SO3 + Ca = Ca(SO3) + H2 =>
2 H3SO3 + 2 Ca = 2 Ca(SO3) + 3 H2
HCOH + KMnO4 + H2SO4 = HCOOH + K2SO4 + H2O + MnSO4 =>
5 HCOH + 2 KMnO4 + 3 H2SO4 = 5 HCOOH + K2SO4 + 3 H2O + 2 MnSO4
P3 + O2 = P3O5 =>
2 P3 + 5 O2 = 2 P3O5
HCl + Na = H + NaCl =>
HCl + Na = H + NaCl
LiOH + HF = HOH + LiF =>
LiOH + HF = HOH + LiF
CrO3 + Mg = Cr + MgO =>
CrO3 + 3 Mg = Cr + 3 MgO
Mg + Ni(NO3)2 = Mg(NO3)2 + Ni =>
Mg + Ni(NO3)2 = Mg(NO3)2 + Ni
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CH3CH2CH2CH2CHCH2 + KMnO4 + H2O = CH3CH2CH2CH2CH(OH)CH2(OH) + MnO2 + KOH =>
3 CH3CH2CH2CH2CHCH2 + 2 KMnO4 + 4 H2O = 3 CH3CH2CH2CH2CH(OH)CH2(OH) + 2 MnO2 + 2 KOH
HClO4 + Mg(OH)2 = HCl(OH)2 + MgO4 =>
HClO4 + Mg(OH)2 = HCl(OH)2 + MgO4
NH3 + CuO = Cu + H2O + N2 =>
2 NH3 + 3 CuO = 3 Cu + 3 H2O + N2
KI + CaBr = KBr + CaI =>
KI + CaBr = KBr + CaI
C2H4O + K2Cr2O7 + H2SO4 = C2H4O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C2H4O + K2Cr2O7 + 4 H2SO4 = 3 C2H4O2 + K2SO4 + Cr2(SO4)3 + 4 H2O
H2S + HNO3 = S + SN + H2O =>
5 H2S + 2 HNO3 = 3 S + 2 SN + 6 H2O
Fe + NaOH = Fe(OH)3 + Na2O + H2 =>
2 Fe + 12 NaOH = 2 Fe(OH)3 + 6 Na2O + 3 H2
Co(OH)2 + Cl2 + KOH = KCl + Co(OH)3 =>
2 Co(OH)2 + Cl2 + 2 KOH = 2 KCl + 2 Co(OH)3
NaSO4 + MgCl = NaCl + MgSO4 =>
NaSO4 + MgCl = NaCl + MgSO4
NH4Cl + H2S = (NH4)2S + HCl =>
2 NH4Cl + H2S = (NH4)2S + 2 HCl
Mg(NO3)2(aq) + NH4OH(aq) = MgOH(s) + NH4(NO3)2(aq) =>
Mg(NO3)2(aq) + NH4OH(aq) = MgOH(s) + NH4(NO3)2(aq)
KHCO3 + KOH = K2CO3H2O =>
KHCO3 + KOH = K2CO3H2O
Fe(NH4)2(SO4)2 + KMnO4 + H2SO4 = MnSO4 + Fe(SO4)3 + K2SO4 + (NH4)2SO4 + H2O =>
5 Fe(NH4)2(SO4)2 + 4 KMnO4 + 16 H2SO4 = 4 MnSO4 + 5 Fe(SO4)3 + 2 K2SO4 + 5(NH4)2SO4 + 16 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CuSO4 + NaHCO3 = CO2 + Na2SO4 + CuCO3 + H2O =>
CuSO4 + 2 NaHCO3 = CO2 + Na2SO4 + CuCO3 + H2O
I + Mg = I2Mg =>
2 I + Mg = I2Mg
CH3CH2CH2Cl + KOH = CH3CH2CH2OH + KCl =>
CH3CH2CH2Cl + KOH = CH3CH2CH2OH + KCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
S + KOH = KS + KSO + H2O =>
2 S + 2 KOH = KS + KSO + H2O
FeBr3 + Cl = Fe + BrCl =>
FeBr3 + 3 Cl = Fe + 3 BrCl
NHO3 + NH3 = NH3NO3 + H2O =>
9 NHO3 + 7 NH3 = 8 NH3NO3 + 3 H2O
CdSO4 + K4FeCN6 = CdCN6K4 + FeSO4 =>
CdSO4 + K4FeCN6 = CdCN6K4 + FeSO4
C(OH)2 + HF = CF2 + H2O =>
C(OH)2 + 2 HF = CF2 + 2 H2O
C4H8O2 + Ag2O = Ag + H2O + CO2 =>
C4H8O2 + 10 Ag2O = 20 Ag + 4 H2O + 4 CO2
(NH4)2SO4 + Na4SiO4 = (NH4)4SiO4 + Na2SO4 =>
2(NH4)2SO4 + Na4SiO4 = (NH4)4SiO4 + 2 Na2SO4
O2 + Ca(NO3)2 = CaO + NO3 =>
O2 + 2 Ca(NO3)2 = 2 CaO + 4 NO3
KBr + KMnO4 + H2O = KBrO3 + Mn(OH)2 + KOH =>
5 KBr + 6 KMnO4 + 9 H2O = 5 KBrO3 + 6 Mn(OH)2 + 6 KOH
K2Cr2O7 + H3[HPO3] + H2SO4 = Cr2(SO4)3 + H3PO4 + K2SO4 + H2O =>
K2Cr2O7 + 2 H3[HPO3] + 4 H2SO4 = Cr2(SO4)3 + 2 H3PO4 + K2SO4 + 5 H2O
Mg + Ni(NO3)2 = Mg(NO3)2 + Ni =>
Mg + Ni(NO3)2 = Mg(NO3)2 + Ni
NH3 + CuO = Cu + H2O + N2 =>
2 NH3 + 3 CuO = 3 Cu + 3 H2O + N2
NaCl + AgNO3 + HNO3 = Na(NO3)2 + AgCl + H2 =>
2 NaCl + 2 AgNO3 + 2 HNO3 = 2 Na(NO3)2 + 2 AgCl + H2
K(s) + N2(g) = K(s)N2(g) =>
K(s) + N2(g) = K(s)N2(g)
FeCo3 + HCl = FeCl + Co2 + H2 =>
2 FeCo3 + 2 HCl = 2 FeCl + 3 Co2 + H2
Cr2O3 + C = Cr2O + CO2 =>
Cr2O3 + C = Cr2O + CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
NH3 + AlBr3 = NH3Al + Br3 =>
NH3 + AlBr3 = NH3Al + Br3
Br2 + H2O + SO2 = HBr + H2SO4 =>
Br2 + 2 H2O + SO2 = 2 HBr + H2SO4
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