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Learning Catalytics x C https:// earning catalytics.com sessions/92074887 EE: Apps O post discussion board O GRE I K Kaptest Sign In P Mastering Chem P Dynamic Period 26 Question Time A substance has a melting point of 12 C and a boiling pointof 82°C. s enthalpy of fusion is 98 J/g and its enthalpy of vaporization is 388 J/g. A sample of this substance is heated from 2°C to 58°C. Which heating curve best describes this process, assuming the rate of heating is constant? A. A B. B C. C D. D Your Answer 4 (incorrect) Correct Answer Current seat: 3-7 Change se g Send a message to the instructor K Join another session wa C Other bookmarks 9:09 PM 7/5/2016

Explanation / Answer

temprature will rise from-12 to 12 oC

Then it melts

then temperature will rise from 12 oC to 58 oC

this process correspond to D

Answer: D

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