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

Author Question: The change in entropy of 20.0 moles of ideal monatomic constant volume gas as it changes from an ... (Read 74 times)

fox

  • Hero Member
  • *****
  • Posts: 540
on: Jul 29, 2018
The change in entropy of 20.0 moles of ideal monatomic constant volume gas as it changes from an initial temperature 300 K to its final temperature is 200 J/K. What is the final temperature of the gas?
 
  A)
 
  669 K
 
  B)
 
  562 K
 
  C)
 
  427 K
 
  D)
 
  187 K
 
  E)
 
  345 K

Question 2

An object is placed on an optical bench. A lens with a focal length of 15 cm is placed 30 cm from the object. A diverging lens with a focal length of -10 cm is placed 7.0 cm beyond that.
 
  Where is the final image formed, relative to the second lens? A)
 
  45 cm beyond the diverging lens
  B)
 
  20 cm behind the diverging lens
  C)
 
  18 cm behind the diverging lens
  D)
 
  17 cm beyond the diverging lens
  E)
 
  30 cm beyond the diverging lens


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


fox

  • Hero Member
  • *****
  • Posts: 540
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Entropy Entropy
Two modes of evolutionary change. Two modes of evolutionary change.
Change Women’s Roles Change Women’s Roles
Nursing Interventions and Prochaska's Stages of Change Nursing Interventions and Prochaska's Stages of Change
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
Climate change Climate change
Video: Blood Flow Through the Kidneys

For a complete list of videos, visit our video library