A quantity that gives the direction of a thermodynamic process is ...

[dalyningkenk]

A quantity that gives the direction of a thermodynamic process is
 a. entropy.
  b. efficiency.
  c. specific heat.
  d. energy.

Question 2

A nuclear reactor is said to be critical when the average number of neutrons from each fission event that cause(s) another fission event is
 a. <1.
  b. 1.
  c. >1.
  d. any of the above.
  e. only (b) or (c) above.

[sarajane1989]

Answer to Question 1

a

Answer to Question 2

b

[dalyningkenk]

Wow, this really help

[lindahyatt42]

Thanks for the timely response, appreciate it