Author Question: The day starts out bright and sunny. Later, a brown haze develops. This indicates the presence of ... (Read 46 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
The day starts out bright and sunny. Later, a brown haze develops. This indicates the presence of
 
  A) nitrogen dioxide.
  B) ozone.
  C) carbon monoxide.
  D) methane.

Question 2

The primary reaction in the formation of photochemical smog is
 
  A) 2 NO + O2  2 NO2.
  B) NO2 + sunlight  NO + O.
  C) O + O2  O3.
  D) O3 + hydrocarbons  aldehydes.

Question 3

A cyclic hydrocarbon containing seven carbon atoms and two double bonds will have the formula
 
  A) C7H16.
  B) C7H14.
  C) C7H12.
  D) C7H10.



TheDev123

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

A

Answer to Question 2

B

Answer to Question 3

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

For a complete list of videos, visit our video library