Solutions of Assignment 5 problems
Problem 1
0.006 1 101325
dp
6000
6000 0.0075
V
dT 273.15 0.0075 273.15 273.15V
273.15 101325 0.994
V
1
1
ice
ice
molecular water
mass of H O
M
2
M 2 1.00794 15.9994 103
ice
kg
mole
1
1
water
V
M
, water 1000 k

MATLS 2B03 Thermodynamics of materials
Assignment 4 (3 problems, 2 pages)
Problem 1 (50 marks)
One volume of CH4 is mixed with V volumes of air (78 vol.% N2, 21 vol.% O2 and 1 vol.% Ar)
at P 1 atm and T 250 C ; then the mixture is ignited. Find the temper

MATLS 2B03 Thermodynamics of materials 20142015
Assignment 1
Deadline: the 24th of September 2014
Problem 1 (30 marks)
For a system containing N 2 moles of gas, it is established that its internal energy U depends
on pressure P and volume V as
U APV 2
(1)

MATLS 2B03 Thermodynamics of materials
Assignment 6 (2 pages, 5 problems)
Problem 1 (15 marks)
For a van der Waals gas, U V T a V 2 .
In a Joule-Thomson-like experiment, 1 mole of nitrogen is made to expand over vacuum at 25C
from 1 dm3 to 2 dm3.
Calculat

MATLS 2B03 Thermodynamics of materials
Assignment 3
Problem 1
Consider the following two processes.
Process 1
One mole of Ni, which initially is at 300 K and 1 atm, is isobarically heated to 1000 K.
Process 2
One mole of Ni, which initially is at 300 K an

Solutions of Assignment 5 problems
Problem 1
0.006 1 101325
dp
6000
6000 0.0075
V
dT 273.15 0.0075 273.15 273.15V
273.15 101325 0.994
V
1
1
ice
ice
molecular water
mass of H O
M
2
M 2 1.00794 15.9994 103
ice
kg
mole
1
1
water
V
M
, water 1000 k

MATLS 2B03 Thermodynamics of materials
Assignment 6 (2 pages, 5 problems)
Problem 1 (15 marks)
For a van der Waals gas, U V T a V 2 .
In a Joule-Thomson-like experiment, 1 mole of nitrogen is made to expand over vacuum at 25C
from 1 dm3 to 2 dm3.
Calculat

MATLS 2B03 Thermodynamics of materials
Assignment 3
Problem 1
Consider the following two processes.
Process 1
One mole of Ni, which initially is at 300 K and 1 atm, is isobarically heated to 1000 K.
Process 2
One mole of Ni, which initially is at 300 K an

MATLS 2B03 Thermodynamics of materials
Assignment 4 (3 problems, 2 pages)
Problem 1 (50 marks)
One volume of CH4 is mixed with V volumes of air (78 vol.% N2, 21 vol.% O2 and 1 vol.% Ar)
at P 1 atm and T 250 C ; then the mixture is ignited. Find the temper

MATLS 2B03 Thermodynamics of materials 20142015
Assignment 1
Deadline: the 24th of September 2014
Problem 1 (30 marks)
For a system containing N 2 moles of gas, it is established that its internal energy U depends
on pressure P and volume V as
U APV 2
(1)

MATLS 2B03 Thermodynamics of materials 20142015
Assignment 2
Deadline: the 8th of October 2014
Problem 1 (70 marks)
Inspect Figure 1 and ensure that you understand that two adiabatic layers are parts of two
adiabatic insulators covering copper cylinders o