## Explain the physical significance of Van der Waals parameters.

Explain the physical significance of Van der Waals parameters.

## Critical temperature for carbon dioxide and methane are 31.1 oC and – 81.9 oC respectively. Which of these has   stronger intermolecular forces and why?

Critical temperature for carbon dioxide and methane are 31.1 oC and – 81.9 oC respectively. Which of these has   stronger intermolecular forces and why?

## In terms of Charles’ law explain why -273oC is the lowest possible temperature.

In terms of Charles’ law explain why -273oC is the lowest possible temperature.

## What would be the SI units for the quantity pV2T2/n?

What would be the SI units for the quantity pV2T2/n?

## A mixture of dihydrogen and dioxygen at oen bar pressure contains 20% by weight of dihydrogen. Calculate the partial pressure of dihydrogen.

A mixture of dihydrogen and dioxygen at oen bar pressure contains 20% by weight of dihydrogen. Calculate the partial pressure of dihydrogen.

## 2.9 g of gas at 95 oC occupied the same volume as 0.184 g of dihydrogen at 17 oC, at the same pressure. What is the molar mass of the gas?

2.9 g of gas at 95 oC occupied the same volume as 0.184 g of dihydrogen at 17 oC, at the same pressure. What is the molar mass of the gas?

## Calculate the volume occupied by 8.8 g of CO2 at 31.1oC and 1 bar pressure. R = 0.083 bar L K-1 mo

Calculate the volume occupied by 8.8 g of CO2 at 31.1oC and 1 bar pressure. R = 0.083 bar L K-1 mol-1.

## Pay load is defined as the difference between the mass of displaced air and the mass of the balloon. Calculate the pay load when a balloon of radius 10 m, mass 100 kg is filled with helium at 1.66 bar 27oC. (Density of air = 1.2 kg m-3. And R = 0.083 bar dm-3 K-1 mol-1).

Pay load is defined as the difference between the mass of displaced air and the mass of the balloon. Calculate the pay load when a balloon of radius 10 m, mass 100 kg is filled with helium at 1.66 bar 27oC. (Density Read More …

## Calculate the total pressure in a mixture of 8 g of dioxygen and 4 g of dihydrogen confined in a vessel of 1 dm3 at 27oC. R = 0.083 bar dm3 K-1 mol-1.

Calculate the total pressure in a mixture of 8 g of dioxygen and 4 g of dihydrogen confined in a vessel of 1 dm3 at 27oC. R = 0.083 bar dm3 K-1 mol-1.

## How much time would it take to distribute one Avogadro number of wheat grains, if 1010 grains are distributed each second?

How much time would it take to distribute one Avogadro number of wheat grains, if 1010 grains are distributed each second?

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