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

Author Question: What is the change in entropy when 50 g of ice melt at 0C? A) 14.7 cal/K B) 4.0 ... (Read 31 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
on: Jul 29, 2018
What is the change in entropy when 50 g of ice melt at 0C?
 
  A)
 
  14.7 cal/K
 
  B)
 
  4.0 kcal/K
 
  C)
 
  zero
 
  D)
 
  -4.0 kcal/K
 
  E)
 
  -14.7 cal/K

Question 2

Beta rays can penetrate
 
  A)
 
  air only.
  B)
 
  a piece of paper.
  C)
 
  several millimeters of aluminum.
  D)
 
  several centimeters of lead.
  E)
 
  several meters of iron.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


bobbysung

  • Member
  • Posts: 519
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Excellent

« 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 first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Entropy Entropy
Pap smear. Cells of the cervix (shown in the center) change in appearance as they progress through Pap smear. Cells of the cervix (shown in the center) change in appearance as they progress through
Global climate change and CO2 concentration Global climate change and CO2 concentration
Climate Change: Volcanoes Climate Change: Volcanoes
The impact of climate change on natural ecosystems The impact of climate change on natural ecosystems
Hormonal change during ovulation and urinear cycles Hormonal change during ovulation and urinear cycles
Video: Embryonic development - Week 3

For a complete list of videos, visit our video library