« previous next »

Author Question: Bleaches work by A) changing the structure of color-producing groups called chromophores to make ... (Read 28 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
on: Aug 27, 2018
Bleaches work by
 
  A) changing the structure of color-producing groups called chromophores to make them colorless.
  B) acting directly on the soiled spot to remove the soil.
  C) changing the stains so that they absorb UV light and then release blue light.
  D) covering the stains with quaternary ammonium ions so that they are no longer visible.

Question 2

Which of the following does NOT result in an increase in entropy?
 
  A) Water boils.
  B) A child scatters her toys.
  C) A student cleans his dorm room.
  D) A hose sprays water.


lin77x

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

sdfghj

  • Hero Member
  • *****
  • Posts: 552
Reply #2 on: Aug 27, 2018
TY


lin77x

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Aug 27, 2018
You're welcome


« previous next »
 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

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?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Several common functional groups in a single biomolecule Several common functional groups in a single biomolecule
The work of geneticists is valuable because genes play a role in virtually every aspect of ... The work of geneticists is valuable because genes play a role in virtually every aspect of ...
Kitagawa Utamaro, Utamaro's Studio, Eshi . . . dosa-hiki (the three primary steps in producing ... Kitagawa Utamaro, Utamaro's Studio, Eshi . . . dosa-hiki (the three primary steps in producing ...
One unit of clathrate structure surrounding a hydrophobic molecule (yellow) One unit of clathrate structure surrounding a hydrophobic molecule (yellow)
Structure of the F0F1 complex Structure of the F0F1 complex
Structure of a Typical Vertebra (Superior View) Structure of a Typical Vertebra (Superior View)
Video: Graded potentials - electrical characteristics and types

For a complete list of videos, visit our video library