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
