David Sang and Graham Jones Solutions for Chapter: Ideal Gases, Exercise 9: Questions

Author:David Sang & Graham Jones

David Sang Physics Solutions for Exercise - David Sang and Graham Jones Solutions for Chapter: Ideal Gases, Exercise 9: Questions

Attempt the practice questions on Chapter 20: Ideal Gases, Exercise 9: Questions with hints and solutions to strengthen your understanding. Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access solutions are prepared by Experienced Embibe Experts.

Questions from David Sang and Graham Jones Solutions for Chapter: Ideal Gases, Exercise 9: Questions with Hints & Solutions

MEDIUM
AS and A Level
IMPORTANT

Show that, if the mean speed of the molecules in an ideal gas is doubled, the thermodynamic temperature of the gas increases by a factor of four.

EASY
AS and A Level
IMPORTANT

A fixed mass of gas expands to twice its original volume at a constant temperature. How do the pressure of the gas change?

EASY
AS and A Level
IMPORTANT

A fixed mass of gas expands to twice its original volume at a constant temperature. How do the following change? The mean translational kinetic energy of its molecules.

EASY
AS and A Level
IMPORTANT

Air consists of molecules of oxygen (molar mass =32 g mol-1 ) and nitrogen (molar mass =28 g mol-1 ). Calculate the mean translational
k.e. of these molecules in air at 20°C. Use your answer to calculate the root-mean-square speed of each type of molecule.

EASY
AS and A Level
IMPORTANT

Show that the change in the internal energy of one mole of an ideal gas per unit change in temperature is always a constant. What is this constant?