« previous next »

Author Question: Which of the following is not a stage in water treatment? A) coarse filtration B) aeration C) ... (Read 101 times)

09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
on: Aug 27, 2018
Which of the following is not a stage in water treatment?
 
  A) coarse filtration
  B) aeration
  C) chlorination
  D) distillation
  E) settling

Question 2

When the electron in a hydrogen atom moves from n = 6 to n = 1, light with a wavelength of ________ nm is emitted.
 
  A) 487
  B) 411
  C) 434
  D) 93.8
  E) 657


jessicaduplan

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Using a gauge that measures vacuum in units of inches of water to test the vacuum at the dipstick ... Using a gauge that measures vacuum in units of inches of water to test the vacuum at the dipstick ...
Two water pipes together can fill a certain tank in 6 h Two water pipes together can fill a certain tank in 6 h
Classification of Antidepressants: Treatment of Major Depressive Disorder Classification of Antidepressants: Treatment of Major Depressive Disorder
Dramatic growth of algae in water treated with phosphate Dramatic growth of algae in water treated with phosphate
The early diagnosis and treatment of myocardial infarction (MI) The early diagnosis and treatment of myocardial infarction (MI)
Video: Uterine (menstrual) cycle - phases

For a complete list of videos, visit our video library