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

Author Question: Who was the person that was instrumental in developing the first CFCs? What will be an ideal ... (Read 11 times)

chandani

  • Hero Member
  • *****
  • Posts: 541
on: Jul 26, 2018
Who was the person that was instrumental in developing the first CFCs?
 
  What will be an ideal response?

Question 2

How many pounds of refrigerant must flow through a 4-ton evaporator each minute if each pound has an enthalpy of 50.0 Btu/lb?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

strudel15

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 26, 2018
Answer to Question 1

Thomas Midgley

Answer to Question 2

1 ton = 200 BTU/minute. 4 x 200 BTU/minute = 800 BTUs/minute 800 BTUs/minute/50 BTUs/lb = 12.6 lbs/minute


chandani

  • Member
  • Posts: 541
Reply 2 on: Jul 26, 2018
Wow, this really help

rachel

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Active Genes Discovered In The Developing Mammal Brain Active Genes Discovered In The Developing Mammal Brain
The declining age of menarche over the past 150 years has been measured in many European countries, The declining age of menarche over the past 150 years has been measured in many European countries,
A warning label on a Honda hybrid warns that a person can be killed due to the high-voltage ... A warning label on a Honda hybrid warns that a person can be killed due to the high-voltage ...
Brushing off to finish-back. In a quiet voice ask the person to sit up with legs off the side of the ... Brushing off to finish-back. In a quiet voice ask the person to sit up with legs off the side of the ...
A developing fetus is cushioned in a sac of watery amniotic fluid A developing fetus is cushioned in a sac of watery amniotic fluid
Developing Child, The Developing Child, The
Video: Deafness Culture

For a complete list of videos, visit our video library