P- Entropy =)

Question 1

Explain why the standard entropy value for carbon dioxide is greater than that for carbon. (1)

Answer 1

gas is ↑ disordered

Question 2

State the temperature at which the standard entropy of aluminium is 0JK-1mol-1. (1)

Answer 2

0K (absolute 0!)

Question 3

A reaction is exothermic and has a negative entropy change.
Which statement is correct?
A. The reaction is always feasible
B. The reaction is feasible above a certain temperature
C. The reaction is feasible below a certain temperature
D. The reaction nis never feasible

Answer 3

C