« previous next »

Author Question: The day starts out bright and sunny. Later, a brown haze develops. This indicates the presence of ... (Read 27 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
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
« previous next »
 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Inflammation. Inflammation is characterized by the presence of swelling, redness, heat, and pain. Sw Inflammation. Inflammation is characterized by the presence of swelling, redness, heat, and pain. Sw
While brown rice is a healthy whole-grain addition to any meal While brown rice is a healthy whole-grain addition to any meal
A mammalian cell demonstrating the presence of mtDNA A mammalian cell demonstrating the presence of mtDNA
The response of the lac operon in the presence of lactose in a cell bearing the IS mutation The response of the lac operon in the presence of lactose in a cell bearing the IS mutation
A Drosophila embryo and (b) the adult fly that develops from it A Drosophila embryo and (b) the adult fly that develops from it
Dark Brown Eye Color Dark Brown Eye Color
Video: Chemical Synapse Animation

For a complete list of videos, visit our video library