Find the change in entropy (in J/K) when 5.00 moles of an ideal ...

[ahriuashd]

Find the change in entropy (in J/K) when 5.00 moles of an ideal gas undergo a free expansion from an initial volume of 20 cm3 to a final volume of 100 cm3.
 a. 71
  b. 52
  c. 67
  d. 191
  e. 208

Question 2

An ideal gas is allowed to undergo a free expansion. If its initial volume is V1 and its final volume is V2, the change in entropy is
 a. nR ln (V2/V1)
  b. nRT ln (V2/V1)
  c. nk ln (V2/V1)
  d. 0
  e. nR V2/V1

[Loise Hard]

Answer to Question 1

C

Answer to Question 2

A

[ahriuashd]

Both answers were spot on, thank you once again

[Loise Hard]

Great! Please up vote