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Author Question: At 1 atm pressure the heat of sublimation of gallium is 277 kJ/mol and the heat of vaporization is ... (Read 160 times)

sarasara

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  • Posts: 521
on: Aug 27, 2018
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

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  • Posts: 320
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

C


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