The Second Law of Thermodynamics
PROBLEMS AND SOLUTIONS
4.1 Comment on the statement: “Even thinking about entropy increases its value in the universe.”
Thinking is an irreversible, biological process. All irreversible processes, and thus thin
Homework: Chapter 5
Thermodynamics of Mixing
5.11 At 25C and 1 atm pressure, the absolute third-law entropies of methane and
ethane are 186.19 J K-1 mol-1 and 229.49 J K-1 mol-1, respectively, in the gas phase.
Calculate the absolute th
Ch. 6 Homework Problems (if any information is missing, please double check the textbook)
6.2) At 1024C, the pressure of oxygen gas from the decomposition of copper(II)oxide (CuO) is 0.49 bar:
4CuO (s) 2Cu2O (s) + O2 (g)
(a) What is the value of Kp for th
- Convert chemical energy directly to electrical energy.
- The Gibbs energy change for an electrochemical reaction is
equivalent to the maximum electrical work done, which can be
- Basic principles of electroch
- At equilibrium
- no observable changes over time, the concentrations of
reactants and products in a chemical reaction remain constant.
- dynamic equilibrium: reactant molecules continue to form
product molecules while prod
- Thermodynamic study of ideal and nonideal solutions of
nonelectrolytessolutions that do not contain ionic species.
- Colligative properties of these solutions.
- Properties of electrolyte solutions.
- Behavior of ions in solution
Chapter 1 1
a. decrease [more time spent in vapor mobile phase ]
b. increase [more column length to transit at same flow rate ]
c. decrease [ mobile phase moves faster ]
(1. increase [ from Eq. 11.1. k' = KXIB. [3 decreases w