Author Question: A 35-g block of ice at -14C is dropped into a calorimeter (of negligible heat capacity) containing ... (Read 176 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?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

For a complete list of videos, visit our video library