This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Find the change in entropy (in J/K) when 5.00 moles of an ideal gas undergo a free expansion from an ... (Read 128 times)

ahriuashd

  • Hero Member
  • *****
  • Posts: 535
on: Jul 28, 2018
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Loise Hard

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


ahriuashd

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


Loise Hard

  • Sr. Member
  • ****
  • Posts: 340
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Plasma protein binding and drug availability: (a) The drug exists in a free state or is bound to ... Plasma protein binding and drug availability: (a) The drug exists in a free state or is bound to ...
Change in air temperature at various air flow rates for a 4 pass operation Change in air temperature at various air flow rates for a 4 pass operation
How to find the point of intersection of two straight lines by graphing How to find the point of intersection of two straight lines by graphing
How to find the resultant vector in the first quadrant How to find the resultant vector in the first quadrant
The roots of climate change The roots of climate change
Solve the system to find x and y Solve the system to find x and y
Video: What is an ecosystem?

For a complete list of videos, visit our video library