MSE 202- Thermodynamics
Practice Midterm
(You do not have to submit it. Just for your practice)
Professor- Kinnor Chattopadhyay
TA- Joshua Igel
Email: [email protected]
1.
a)
b)
c)
d)
What do you mean by a system and surrounding? [2 points]
Defin
Since the enthaipy change of reaction (1.16) is aiso equa] to the heat of
formation of one mole of NiO, we have
0
H 298,<N1’0>
0
A“ 298,<Ni0>
Thus, the heat content of a compound or aiioy in the standard state is equai
to its standard heat of formation.
(
Ex 12 5.A
ﬂ— Ihere aZr
‘tiveiy. A
CaicuTate the equiTibrium constant and equilibrium Pay‘tia.I Pressure 0f oxygen i- rep1ace
for the reaction
ZrO2 = Zr+02;
50° = 259,940 + 4.33 T 109 T - 59.12 T cai
(1,087,539 + 18.12 T log T — 247. 36 T J),
at 172700 (20
Solutions :I
other way of expressing the composition is 'mole (or atom) fraction'.
vle (or atom) fraction is defined as the number of g-moles (
or o-atoms) of
‘bstance divided by the total number of g—moles (
or g-atoms) of all the
Thus, in a multi—compon
Textbook of Materials and Metallurgical Thomodynamlcs
A + BC 41110, AB + C
("a — )BC
("3, - "ab; ("0 _ Ho
Process path —>
Fig. 3.4 Illustration for derivation of Klrchhoff's Law.
EXAMPLE 3.3 Calculate the adiabatic ﬂame temperature when C2114 gas is i