(a) The sample with the largest number of gas particles (atoms or molecules) needs to be identified (b) The sample with the smallest number of particles needs to be identified. (c) The sample which represents the largest mass needs to be identified. Concept introduction: An ideal gas which is known as the perfect gas is a gas whose volume V, Pressure P and temperature T are related through the ideal gas law : - PV = nRT Here, n = number of moles of the gas R = ideal gas constant T = Temperature P = Pressure Ideal gases are described as the molecules which have negligible size but have an average molar kinetic energy which is dependent on the temperature. When temperature is low most of the gases behave like ideal gases and the ideal gas law might be applied to them.

Question

110. Compare the pressures given by (a) the ideal gas law, (b) the van der Waals equation, and (c) the Redlic-Kwong equation for propane at 400 K and p = 10.62 mol dm³. The van der Waals parameters for propane are a = 9.3919 dm6 bar mol-2 and b = 0.090494 dm³ mol−1. The Redlich-Kwong parameters are A = 183.02 dm bar mol-2 and B = 0.062723 dm³ mol-1. The experimental value is 400 bar.

Answer 1

Question

Chapter 5, Problem 5.86PAE

Interpretation Introduction

Interpretation:

(a) The sample with the largest number of gas particles (atoms or molecules) needs to be identified

(b) The sample with the smallest number of particles needs to be identified.

(c) The sample which represents the largest mass needs to be identified.

Concept introduction:

An ideal gas which is known as the perfect gas is a gas whose volume V, Pressure P and temperature T are related through the ideal gas law: -

PV = nRT

Here,

n = number of moles of the gas

R = ideal gas constant

T = Temperature

P = Pressure

Ideal gases are described as the molecules which have negligible size but have an average molar kinetic energy which is dependent on the temperature. When temperature is low most of the gases behave like ideal gases and the ideal gas law might be applied to them.

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