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

Author Question: Consider two neighboring rectangular houses built from the same materials. One of the houses has ... (Read 276 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
Consider two neighboring rectangular houses built from the same materials. One of the houses has twice the length, width, and height of the other.
 
  Under identical climatic conditions, what would be true about the rate that heat would have to be supplied to maintain the same inside temperature on a cold day? Compared to the small house, the larger house would need heat supplied at A) twice the rate.
  B) 4 times the rate.
  C) 16 times the rate.
  D) 6 times the rate.
  E) 8 times the rate.

Question 2

Consider a classroom 10.0 m long by 6.0 m wide by 4.0 m high at room temperature 20.C and 1.0 atmosphere.
 
  (a) How many moles of gas are contained in the room?
  (b) Assuming an average molecular weight of 28, what is the mass of the room air?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

polinasid

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

B

Answer to Question 2

(a) 10.  103 gram-moles
(b) 2.8  102 kg





 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

For a complete list of videos, visit our video library