During which type of process applied to an ideal gas is there no ...

[urbanoutfitters]

During which type of process applied to an ideal gas is there no change in internal energy of the gas?
 
  A)
 
  isobaric
  B)
 
  isothermal
  C)
 
  isochoric
  D)
 
  adiabatic
  E)
 
  Internal energy changes during any of these processes.

Question 2

During which type of process applied to an ideal gas is there no heat added to the gas?
 
  A)
 
  isobaric
 
  B)
 
  isochoric
 
  C)
 
  isothermal
 
  D)
 
  adiabatic
 
  E)
 
  A and C

[aburgess]

Answer to Question 1

B

Answer to Question 2

D