« previous next »

Author Question: The day starts out bright and sunny. Later, a brown haze develops. This indicates the presence of ... (Read 28 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?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Brown hyena cub Brown hyena cub
Brown recluse spider bites Brown recluse spider bites
Tooth development and eruption are commonly used to assess age in the subadult skeleton. Deciduous ( Tooth development and eruption are commonly used to assess age in the subadult skeleton. Deciduous (
A reception area should be comfortable and bright. A reception area should be comfortable and bright.
Selective breeding of maze-bright and maze-dull strains of rats by Tryon (1934). (Data from Cooper, ... Selective breeding of maze-bright and maze-dull strains of rats by Tryon (1934). (Data from Cooper, ...
Video: Causes of Angina

For a complete list of videos, visit our video library