Author Question: The EPA drinking water standard for toluene is 1 mg/L. What is this concentration in ppb? A) ... (Read 51 times)

shofmannx20

  • Hero Member
  • *****
  • Posts: 562
The EPA drinking water standard for toluene is 1 mg/L. What is this concentration in ppb?
 
  A) 0.001
  B) 0.1
  C) 1
  D) 1000

Question 2

High-density polyethylene is composed of
 
  A) primarily linear, unbranched chains of polyethylene in a close packing arrangement.
  B) primarily highly branched, non-linear chains of polyethylene in a diffuse packing arrangement.
  C) a mixture of polyethylene and polystyrene.
  D) polyethylene with high density plasticizers added to increase density.



ms_sulzle

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

For a complete list of videos, visit our video library