At 1 atm pressure,the heat of sublimation of gallium is 277 kJ/mol and the heat of vaporization is 271 kJ/mol.To the correct number of significant figures,how much heat is required to melt 2.50 mol of gallium at 1 atm pressure?
A) 6 kJ
B) 20 kJ
C) 262 kJ
D) 274 kJ
Correct Answer:
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