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

Author Question: An adiabatic free expansion of a gas in a thermally isolated container is not reversible because (Read 23 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
on: Aug 6, 2020

Question 1

An 800-MW electric power plant has an efficiency of 30%. It loses its waste heat in large cooling towers. Approximately how much waste heat (in MJ) is discharged to the atmosphere per second?

◦
1 200

◦
1 900

◦
800

◦
560

◦
240


Question 2

An adiabatic free expansion of a gas in a thermally isolated container is not reversible because

◦
work must be done on the gas to return it to its original volume.

◦
heat must be exchanged with the surroundings to return the gas to its original temperature.

◦
its internal energy has a greater value after the expanded gas is returned to its original volume and temperature.

◦
of all of the above.

◦
of (a) and (b) above only.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by ENagel on Aug 6, 2020

Mholman93

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


ENagel

  • Member
  • Posts: 540
Reply 2 on: Aug 6, 2020
Wow, this really help

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

A hypothetical model of the process of cell-wall expansion. A hypothetical model of the process of cell-wall expansion.
Three types of reversible inhibition Three types of reversible inhibition
Reversible covalent modification by kinases/ phosphatases Reversible covalent modification by kinases/ phosphatases
The effect of thermal expansion The effect of thermal expansion
Rice noodles are a good gluten-free substitute for pasta Rice noodles are a good gluten-free substitute for pasta
Adiabatic Cooling of Rising Air Adiabatic Cooling of Rising Air
Video: Integumentary Anatomy

For a complete list of videos, visit our video library