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Question 5

Multiple Choice

Use the following to answer the question: Use the following to answer the question: -The graph shows the temperature of a 1.0-g sample of material as heat is added to it.The material is initially a solid at 10ºC.The pressure remains constant,and there is no chemical change.The heat of fusion of the material is A) 10 cal/g B) 50 cal/g C) 30 cal/g D) 90 cal/g E) None of these is correct.
-The graph shows the temperature of a 1.0-g sample of material as heat is added to it.The material is initially a solid at 10ºC.The pressure remains constant,and there is no chemical change.The heat of fusion of the material is


A) 10 cal/g
B) 50 cal/g
C) 30 cal/g
D) 90 cal/g
E) None of these is correct.

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