The Behavior of Solutions
Questions for Chapter 9
Which physical property at the atomic or molecular level that determines if a
solution is ideal or non-ideal ?
What is the reason for the zero heat of mixing in ideal solutions?
Chapter 3. The
second Law of
Questions for Chapter 3
What are the definition of a reversible process and an irreversible
Is there a maximum amount of work a system can perform, or a
maximum amount of heat a system can absorb
The Statistical Interpretation
Questions for Chapter 4
1. What is the physical meaning of entropy?
2. What are the difference between thermal entropy and
3. What is the most probable microstate?
4. What is the
The First Law of
The concept of internal energy and the first Law
The concept of internal energy U
The ability of a system to do work
or release heat.
Only the difference in U is
physically meaningful similar to
From the ideal gas law: =
1 2 111 kPa 356 K
There is no change in volume (dV=0) so there is zero P-V work = =
Calculate heat flow (q): = = 2 mol 2.5 8.3145 molK (356 277 K)
Use First Law of Thermodynamics