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 321 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?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

For a complete list of videos, visit our video library