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

Author Question: A styrofoam container used as a picnic cooler contains a block of ice at 0C. If 225 grams of ice ... (Read 86 times)

EAugust

  • Hero Member
  • *****
  • Posts: 550
on: Jul 28, 2018
A styrofoam container used as a picnic cooler contains a block of ice at 0C. If 225 grams of ice melts in 1 hour, how much heat energy per second is passing through the walls of the container? (The heat of fusion of ice is 3.33  105 J/kg).

Question 2

How much water at 20C is needed to melt 1 kilogram of solid mercury at its melting point of -39C? (The heat of fusion of mercury is 2.8 cal/gram).


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Madisongo23

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 28, 2018
Answer to Question 1

20.8 J (per second)

Answer to Question 2

23.4 grams


EAugust

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Jul 28, 2018
Thanks


Madisongo23

  • Sr. Member
  • ****
  • Posts: 325
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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).

Inhibition of cyclooxygenase 1 and 2. Nonselective NSAIDs block the cytoprotective effects as well ... Inhibition of cyclooxygenase 1 and 2. Nonselective NSAIDs block the cytoprotective effects as well ...
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ... A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
Aspirin and most other NSAIDs block prostaglandins. Aspirin and most other NSAIDs block prostaglandins.
Store vitamin B–rich whole-wheat flour in an airtight container in your refrigerator or freezer Store vitamin B–rich whole-wheat flour in an airtight container in your refrigerator or freezer
The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The ... The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The ...
Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library