This topic contains a solution. Click here to go to the answer

Author Question: If the insulating material in a wall is modified so that the R-value is increased by 50, how will ... (Read 94 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
If the insulating material in a wall is modified so that the R-value is increased by 50, how will the rate of energy transferred by conduction through the wall be affected?
  1.It will increase by 50.
  2.It will decrease by 50.
  3.It will increase by more than 50.
  4.It will decrease by more than 50.

Question 2

If ice at -40C is added to water at +40C, what final temperature will result?
  1.It must be below 0C.
  2.It must be 0C.
  3.It must be above 0C.
  4.It can be below 0C, 0C, or above 0C.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

debra928

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

4

Answer to Question 2

4





 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library