Author Question: A 35-g block of ice at -14C is dropped into a calorimeter (of negligible heat capacity) containing ... (Read 101 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
A 35-g block of ice at -14C is dropped into a calorimeter (of negligible heat capacity) containing 400 g of water at 0C.
 
  When the system reaches equilibrium, how much ice is left in the calorimeter? The specific heat of ice is 2090 J/kg  K, that of water is 4186 J/kg  K, and the latent heat of fusion of water is 33.5  104 J/kg. A) 32 g
  B) 33 g
  C) 35 g
  D) 38 g
  E) 41 g

Question 2

A person weighing 900 N is standing on snowshoes. Each snowshoe has area 2500 cm2 and has negligible weight. What pressure does this person's weight exert on the snow?
 
  A) 0.18 N/m2
  B) 0.36 N/m2
  C) 1800 N/m2
  D) 3600 N/m2


princessflame2016

  • Sr. Member
  • ****
  • Posts: 298
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

For a complete list of videos, visit our video library