This topic contains a solution. Click here to go to the answer

Author Question: Water and ethanol can be separated by heating the ethanol until it boils away from the water. What ... (Read 224 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
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
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C





 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

For a complete list of videos, visit our video library