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 295 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?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Water Molecules Surround Ions Water Molecules Surround Ions
Mixting Hot Cold water Mixting Hot Cold water
Xeriscaping Conserves Water Xeriscaping Conserves Water
A typical eye wash station. A thorough flushing of the eyes with water is the first and often the ... A typical eye wash station. A thorough flushing of the eyes with water is the first and often the ...
Hydrogen burns to produce energy and water Hydrogen burns to produce energy and water
A Bat Ray cruising through the water column below the "sunburst." Bat Rays are types of ... A Bat Ray cruising through the water column below the "sunburst." Bat Rays are types of ...
Video: Magnetic resonance imaging (MRI)

For a complete list of videos, visit our video library