Purchase Solution

Isothermal expansion of a gas - change in entropy

Not what you're looking for?

Ask Custom Question

One-gram molecule of a gas expands isothermally to four times its volume. Calculate the change in entropy in terms of the gas constant.

Purchase this Solution
Solution Summary

Solution as word attachement with more than 100 words explanation.

Solution Preview

Please view the attachment.

Work done, W = integral v1 to v2 [PdV]

(Please take v1 as the lower limit and v2 as the upper limit for the ...

Purchase this Solution
Free BrainMass Quizzes
The Moon

Test your knowledge of moon phases and movement.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Basic Physics

This quiz will test your knowledge about basic Physics.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

View More Free Quizzes
Related BrainMass Solutions

  • Quasistatic isothermal expansion and free expansion

    99038 Quasistatic isothermal expansion and free expansion During the quasistatic isothermal expansion of a monoatomic ideal gas, how is the change in entropy related to the heat input Q by the simple formula: ΔS = Q/T?

  • First and second law of thermodynamics

    So we have: - negative work because we have expansion. We suppose that Change of entropy for gas in reversible isothermal process is: .

  • Expansion of a van der Waals gas

    185449 Find the entropy change of an ideal gas and of a van der Waals gas in case of isothermal expansion in which the volume increases by a factor alpha.

  • To determine effect of entropy

    STP Ice melting to water above the melting point Isothermal expansion of a real gas This is how I sorted the items in Mastering Chemistry.

  • Power Cycle for a Piston-Cylinder Device

    in Entropy is defined as : dS = dQ/T 1→2 Isothermal compression from T1 = 300K, P1 = 100 kPa to P2 = 600 kPa In an isothermal process change in the internal energy is zero (as the temperature is constant).

  • Entropy change for isothermal process

    And since the Gibbs function is a "state function" and forms exact differential, find a simple expression for the change of entropy with respect to pressure for an isothermal process with an ideal gas: 1.

  • First law of Thermodynamics, Entropy and Enthalpy

    Change in enthalpy dH = dU+ PdV, where dU is the change in internal energy and PdV =dW is the work done due to compression of gas Here dU=36 kJ, PdV=24 kJ, dH = 36 + 24 = 60 kJ 1 For Isothermal process From (1st law of thermodynamics

  • Entropy increase of Carnot engine operating on methane

    238739 Entropy increase of Carnot engine operating on methane A Carnot engine operates on 1 kg of methane, which we shall consider to be an ideal gas. Take γ = 1.35.

  • Thermodynamics

    a) What must be the temperature of the low temperature bath? b) What is the change in entropy of the gas during the isothermal expansion? 2. 3. Answers: 1. a) b) 2.

View More Related Solutions