This topic contains a solution. Click here to go to the answer

Author Question: Ten kilograms of water at 0C is mixed with 10 kg of water at 100C. The change in entropy (in cal/K) ... (Read 306 times)

fnuegbu

  • Hero Member
  • *****
  • Posts: 539
Ten kilograms of water at 0C is mixed with 10 kg of water at 100C. The change in entropy (in cal/K) of the system is
 a. 1 000
  b. 480
  c. -720
  d. 240
  e. -168

Question 2

Find the change in entropy (in J/K) when 5.00 moles of an ideal monatomic gas are allowed to expand isobarically from an initial volume of 20 cm3 to a final volume of 100 cm3.
 a. 167
  b. 100
  c. 67
  d. 52
  e. 152



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

randomguy133

  • Sr. Member
  • ****
  • Posts: 310
Answer to Question 1

D

Answer to Question 2

C



fnuegbu

  • Hero Member
  • *****
  • Posts: 539
Both answers were spot on, thank you once again




 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

For a complete list of videos, visit our video library