« previous next »

Author Question: A rainbow is a result of: a. the Huygens Effect. c. dispersion. b. different color droplets of ... (Read 91 times)

jeatrice

  • Hero Member
  • *****
  • Posts: 543
on: Jul 28, 2018
A rainbow is a result of:
 a. the Huygens Effect.
  c. dispersion.
  b. different color droplets of water.
  d. interference.

Question 2

A pressure of 2.0  10-7 mm of Hg is achieved in a vacuum system. How many gas molecules are present per liter volume if the temperature is 293 K? (760 mm of Hg = 1 atm, R = 0.0821 L  atm/mol  K, and NA = 6.02  1023)
 a. 16  1018
  c. 3.3  1012
  b. 6.6  1012
  d. 3.4  109


Ahnyah

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

English and Dani basic color terms. English and Dani basic color terms.
Climatic cause and effect linkages Climatic cause and effect linkages
Terry Winters, Color and Information. Terry Winters, Color and Information.
(a) Monozygotic (MZ) twins result from the fertilization of a single egg by a single sperm. After on (a) Monozygotic (MZ) twins result from the fertilization of a single egg by a single sperm. After on
result of DGUC result of DGUC
Hazel Eye Color Hazel Eye Color
Video: Calvin cycle (The light-independent reactions )

For a complete list of videos, visit our video library