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

Author Question: A refrigerator has an interior volume of 0.500 m3. The temperature inside the refrigerator in 282 K, ... (Read 128 times)

elizabeth18

  • Hero Member
  • *****
  • Posts: 559
on: Jul 29, 2018
A refrigerator has an interior volume of 0.500 m3. The temperature inside the refrigerator in 282 K, and the pressure is 101 kPa. If the molecular weight of air is 29 g/mol, what is the mass of air inside the refrigerator? (R = 8.31 J/mol  K)
 
  A) 625 g
  B) 513 g
  C) 447 g
  D) 329 g
  E) 243 g

Question 2

Suppose the half-life of an isotope is 2 days. You purchase 10 grams of the isotope, but it was produced in a laboratory 4 days before it was delivered to you. How much of this isotope will you have 3 days after it was delivered to you?
 
  A) more than 2.5 grams but less than 5 grams
  B) 2.5 grams
  C) more than 1.25 grams but less than 2.5 grams
  D) 1.25 grams
  E) less than 1.25 grams
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

peter

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


elizabeth18

  • Hero Member
  • *****
  • Posts: 559
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


peter

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Body temperature and environmental temperature in homeotherms versus heterotherms. Body temperature and environmental temperature in homeotherms versus heterotherms.
Vertical structuring of the oceans is associated with substantial variation in light and temperature Vertical structuring of the oceans is associated with substantial variation in light and temperature
Temperature Profile of Earth’s Atmosphere Temperature Profile of Earth’s Atmosphere
Temperature gradient generates a global pattern of circulation Temperature gradient generates a global pattern of circulation
Inside Round Inside Round
What volume of liquid would be dispensed by a P200 set to this volume? P200 Image 1.jpg What volume of liquid would be dispensed by a P200 set to this volume? P200 Image 1.jpg
Video: Basic rhythm - control centers in medulla oblongata, spirograph and normal tidal cycle

For a complete list of videos, visit our video library