This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following statements about extraction of molecules by using ethanol and supercritical ... (Read 39 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
on: Aug 27, 2018
Which of the following statements about extraction of molecules by using ethanol and supercritical carbon dioxide is most correct?
 
  A) Nonpolar molecules can be extracted by using ethanol.
  B) Polar molecules can be extracted by using supercritical carbon dioxide.
  C) Polar molecules are best extracted by using ethanol.
  D) Polar molecules cannot be extracted by either ethanol or supercritical carbon dioxide.

Question 2

Comment on three peacetime uses of nuclear energy.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Qarqy

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

Nuclear power plants are used to generate electricity. Medical uses include diagnostic tests, imaging and radiation of tumors and cancer cells. Radioisotopes are used as tracers in biological experiments. Food can be irradiated to kill microorganisms.


robinn137

  • Member
  • Posts: 544
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

DNA molecules replicate to form identical chromatids DNA molecules replicate to form identical chromatids
The inhibitory response of rods to light. When light bleaches rhodopsin molecules, the rods’ ... The inhibitory response of rods to light. When light bleaches rhodopsin molecules, the rods’ ...
Surface molecules involved in the interaction between an antigen-presenting cell and a CD4+ T cell. Surface molecules involved in the interaction between an antigen-presenting cell and a CD4+ T cell.
Creation of recombinant DNA molecules in vitro Creation of recombinant DNA molecules in vitro
A thick filament of myosin II molecules A thick filament of myosin II molecules
Chemical bonds join atoms into molecules Chemical bonds join atoms into molecules
Video: Ionic bonds - role of ions in the body

For a complete list of videos, visit our video library