Chemistry

Change in enthalpy for reaction,2H₂O₂ → 2H₂O + O₂

Change in enthalpy for reaction, 2H₂O₂ → 2H₂O + O₂ if heat of formation of H₂O₂ and H₂O are -188…

At 27⁰C latent heat of fusion of a compound is 2930 J/mol. Entropy change is

At 27⁰C latent heat of fusion of a compound is 2930 J/mol. Entropy change is Options (a) 9.77 J/mol-K (b)…

Cell reaction is spontaneous when

Cell reaction is spontaneous when Options (a) ΔG⁰ is negative (b) ΔG⁰ is positive (c) ΔE⁰ Red is positive (d)…

For the reaction C₂H₅OH + 3O₂(g) → 2CO₂(g) + 3H₂O which one is true

For the reaction C₂H₅OH + 3O₂(g) → 2CO₂(g) + 3H₂O which one is true Options (a) ΔH = ΔE -…

For the cell reactionCu²⁺ (C₁.aq) + Zn(s) = Zn²⁺(C₂.aq ) + Cu(s)

For the cell reaction Cu²⁺ (C₁.aq) + Zn(s) = Zn²⁺(C₂.aq ) + Cu(s) of an electrochemical cell, the change in…

One mole of an ideal gas at 300 K is expanded isothermally

One mole of an ideal gas at 300 K is expanded isothermally from an initial volum of 1 litre to…

Which of the following is the correct equation

Which of the following is the correct equation Options (a) ΔU = ΔW + ΔQ (b) ΔU = ΔQ +…

For a reaction to occur spontaneously

For a reaction to occur spontaneously Options (a) ΔH must be negative (b) ΔS must be negative (c) (ΔH-TΔS) must…

At standard state Gibb’s free energy change for isomerization reaction

At standard state Gibb's free energy change for isomerization reaction cis-2-pentene⇌trance-2-pentene is -3.67 kJ/mol at 400K. If more trans-2-pentene is…

Which of the following is not a thermodynamic function

Which of the following is not a thermodynamic function Options (a) Internal energy (b) Work done (c) Enthalpy (d) Entropy…