« previous next »

Author Question: A rainbow is a result of: a. the Huygens Effect. c. dispersion. b. different color droplets of ... (Read 85 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?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Development encompasses both gains and losses. Sometimes a health crisis (loss) can result in a heal Development encompasses both gains and losses. Sometimes a health crisis (loss) can result in a heal
Medications That May Cause Myopathy as an Adverse Effect Medications That May Cause Myopathy as an Adverse Effect
A Hall-effect sensor produces a digital on-off voltage signal whether it is used with a blade or a ... A Hall-effect sensor produces a digital on-off voltage signal whether it is used with a blade or a ...
Effect of an Increase in Technological Progress Effect of an Increase in Technological Progress
Incomplete dominance shown in the flower color of snapdragons Incomplete dominance shown in the flower color of snapdragons
Polygenic inheritance of wheat kernel color controlled by two additive genes Polygenic inheritance of wheat kernel color controlled by two additive genes
Video: Cavernous Sinus Larynx Middle Ear Orbit: Granulesm Animation

For a complete list of videos, visit our video library