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

Author Question: A container with a one-liter capacity at 27 C is filled with helium to a pressure of 2.0 atm. (1 atm ... (Read 143 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
on: Jul 28, 2018
A container with a one-liter capacity at 27 C is filled with helium to a pressure of 2.0 atm. (1 atm = 1.0  105 N/m2.) How many moles of helium does it hold?
 a. 0.041
  b. 0.081
  c. 0.45
  d. 0.90
  e. 1.0

Question 2

Two identical containers, A and B, hold equal amounts of the same ideal gas at the same Po, Vo and To. The pressure of A then decreases by a half while its volume doubles; the pressure of B doubles while its volume decreases by a half. Which statement correctly describes the temperatures of the gases after the changes?
 a. TA = 0.5TB = To.
  b. TB = 0.5TA = To.
  c. TB = TA = To.
  d. TA = 2TB = To.
  e. TB = 2TA = To.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lkoler

  • Sr. Member
  • ****
  • Posts: 358
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


sheilaspns

  • Member
  • Posts: 567
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Cyanide works by making the human body unable to use oxygen.

A blow-off valve is used in some turbocharged systems to relieve boost pressure during ... A blow-off valve is used in some turbocharged systems to relieve boost pressure during ...
A technician-made adapter used to test exhaust system back pressure. A technician-made adapter used to test exhaust system back pressure.
Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ... Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ...
Press up under the cheekbones. Use light to moderate pressure to press into the soft tissues up ... Press up under the cheekbones. Use light to moderate pressure to press into the soft tissues up ...
Apply direct thumb pressure into points along the upper trapezius from base of neck to shoulder. ... Apply direct thumb pressure into points along the upper trapezius from base of neck to shoulder. ...
Thumb petrissage and direct fingertip pressure along iliac crest to muscle attachments. Thumb petrissage and direct fingertip pressure along iliac crest to muscle attachments.
Video: Buffers definition and the role of buffer in the body

For a complete list of videos, visit our video library