Author Question: The day starts out bright and sunny. Later, a brown haze develops. This indicates the presence of ... (Read 54 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?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

For a complete list of videos, visit our video library