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 73 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?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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.

Enzyme activity is affected substantially by temperature Enzyme activity is affected substantially by temperature
Swab the inside of the wound. Swab the inside of the wound.
IPCC Temperature Increase Predictions Relative to 1986-2005 IPCC Temperature Increase Predictions Relative to 1986-2005
World Distribution of Temperature World Distribution of Temperature
Movie Inside Out Movie Inside Out
Estimating Potential Blood Volume Loss (Part 2) Estimating Potential Blood Volume Loss (Part 2)
Video: Hydrogen bonds - role in the body

For a complete list of videos, visit our video library