Oxygen molecules are 16 times more massive than hydrogen ...

[captainjonesify]

Oxygen molecules are 16 times more massive than hydrogen molecules. At a given temperature, the average molecular kinetic energy of oxygen, compared to hydrogen,
 
  A) is greater.
  B) is less.
  C) is the same.
  D) cannot be determined since pressure and volume are not given.

Question 2

Thermal efficiency (non-Carnot) is
 
  A) Q/T.
  B) Q/m.
  C) 1  Qcold/Qhot.
  D) Q - W.
  E) 1 - Tcold/Thot.

[connor417]

Answer to Question 1

C

Answer to Question 2

C