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 97 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?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
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 ...
A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ... A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ...
Group that may block N-terminus and C-terminus Group that may block N-terminus and C-terminus
A 44-g block of ice at -15°C is dropped into a calorimeter (of negligible heat c A 44-g block of ice at -15°C is dropped into a calorimeter (of negligible heat c
How many grams of H2 gas can be produced by the reaction of 54.0 grams of Al(s) with an excess ... How many grams of H2 gas can be produced by the reaction of 54.0 grams of Al(s) with an excess ...
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library