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 73 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?

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?

Thyroid conditions may make getting pregnant impossible.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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.

For a complete list of videos, visit our video library