Physical Chemistry Exam 1

Quizzes, Concepts, and Textbook Questions

For a conserved state variable X (a.k.a. a constant), what is the value of its corresponding differential, dX?

 

dX = constant but ≠ 0

 

dX = 0

 

dX < 0

 

dX > 0

dX = 0

According to the chemistry sign convention, if a system is absorbing heat, such heat will have the following sign:

 

positive

 

Negative

positive

According to the chemistry sign convention, if work is performed on the system, such work will have the following sign:

 

positive

 

negative

positive

According to the ideal gas law:

An ideal gas depends on all the following variables:

(read carefully all the options, and select the one that includes all the variables)

 

P and T

 

V and T

 

R and n

 

P, V, n, and T

 

P, V, n, R, and T

P, V, n, and T

because R is a constant