Physical Chemistry Answers

Calculate the potential for Fe3+/Fe²⁺ electrode when the concentration of Fe³⁺ is exactly five times that of Fe²⁺ that

Fe³⁺+e^--Fe²⁺=+0.771V

The half-life of a reaction, A Products, is independent of the initial concentration of A.

What is the order of the reaction?

If the concentration of A reduces to 50% of its initial value in 500 seconds, in how much time would it reduce to 12.5% of its initial concentration?

To derive a relation between K_p and K_c for the reaction :

H₂(g) + CO₂(g) H₂O(g) + CO(g)

Resonance

the volume of air bubble at the bottom of a lake when the pressure is (3p/4)atm is (3v/8)cm³,what will be the product of the volume of the air bubbles at the surface of the lake of the pressure is 2/3 of the original value and the pressure is reduced by 3/8 of the original value at constant temperature?

How much electrical energy is required to generate 1.000L of H, at 25°C and 1.00 atm pressure by the electrolysis of water?

A conductivity cell having a cell constant of 0.5 cm–1 filled with 0.02 M solution of KCl at

298 K gave a resistance of 20.2 Ω. The water used for preparing the solution had a conductivity

of 7.1 × 10–6 S cm–1. Calculate the molar conductivity of 0.02 M KCl solution.

Which statement about mixtures is false?

Convert 2.9 x 10⁵ um to km

The equilibrium constant for the reaction

H₂(g) + S(s) ⇔H₂S(g) is 20.0 at 925K and 10.25 at 1000K, respectively. To calculate the standard enthalpy of the reaction.