Physical Chemistry Answers

Radioactive elements such as radon (Radon 222), thoron (Radon 220) and their by-products

formed by the decay of radium (Radium 226) and thorium present in many sorts of rocks,

other building materials and in the soil. Prove that product formed by these elements follow

λt = ln (No/N) equation and their half-life independent of concentration.

Why is Walden’s Rule applicable only cations of a large size?

Find work and internal energy for 1 mole of water if enthalpy of vaporization is 42.5 kjmol-1 at 100°c and 1atm. Neglect volume of liquid water and assume ideal behavior of vapor water

The change in enthalpy is 2kjmol-1 when graphite is converted to diamond. Find work and internal energy when 1 mole of graphite is converted to diamond at 1 bar pressure if density of graphite is 2.3 and diamond is 3.3 gcm-1

A 500 mL solution was made with strontium hydroxide. The pH was tested and was measured to be 13.45. How many grams of strontium hydroxide was used to make the solution?

Gas which closely approaches the behavior of an ideal gas under condition of...?

What is the most common intermolecular forces of attraction found between instantaneous and induced dipoles?

how many moles of plumbous sulfate are produced from 0.25 mole of cupric

sulfate and 2 moles of plumbous nitrate?with solution

how many moles of cupric sulfate are required to react with 2 moles of plumbous

nitrate? with solution

how many moles of plumbous nitrate are required to react with 0.25 mole of

cupric sulfate? with solution