Author Question: At 1 atm pressure the heat of sublimation of gallium is 277 kJ/mol and the heat of vaporization is ... (Read 161 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
At 1 atm pressure the heat of sublimation of gallium is 277 kJ/mol and the heat of vaporization is 271 kJ/mol. How much heat is required to melt 1.50 mol of gallium at 1 atm pressure?
 
  A) 6 kJ
  B) 9 kJ
  C) 268 kJ
  D) 271 kJ

Question 2

The formation of a condensation polymer generally involves ________.
 
  A) the addition of a plasticizer
  B) the mixing of sulfur with an addition polymer
  C) the elimination of a small molecule
  D) the vaporization of a plasticizer
  E) the formation of significant crosslinking



trampas

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

The average adult has about 21 square feet of skin.

For a complete list of videos, visit our video library