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

Author Question: Water and ethanol can be separated by heating the ethanol until it boils away from the water. What ... (Read 348 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
on: Jul 29, 2018
Water and ethanol can be separated by heating the ethanol until it boils away from the water. What type of change is this?
 
  A) a physical change
  B) a chemical change
  C) a molecular change
  D) a decomposition
  E) none of the above

Question 2

A chemical change involves the formation or breaking of
 
  A) an atom.
  B) the phase of the material.
  C) a chemical bond.
  D) all of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

upturnedfurball

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C


sammy

  • Hero Member
  • *****
  • Posts: 818
Reply #2 on: Jul 29, 2018
TY


upturnedfurball

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

The discovery of aquaporins, water channels made of a transmembrane protein. The discovery of aquaporins, water channels made of a transmembrane protein.
To travel quickly, killer whales leap out of the water when swimming—a behaviour kn To travel quickly, killer whales leap out of the water when swimming—a behaviour kn
English Water Spaniel English Water Spaniel
Ripples in Water Ripples in Water
Total body water (TBW) Total body water (TBW)
Two water pipes together can fill a certain tank in 6 h Two water pipes together can fill a certain tank in 6 h
Video: Leukemia

For a complete list of videos, visit our video library