Identify which among the given below is a state function and which is not.
(a) The amount of work done to compress a gas.
(b) The pressure inside a scuba tank.
(c) The mass of a standard gold bar: 12.4 kg.

• A. (a) state function; (b) state function; (c) state function
• B. (a) not a state function; (b) state function; (c) state function
• C. (a) not a state function; (b) not a state function; (c) not a state function
• D. (a) state function; (b) state function; (c) not a state function

Answer: (B)