36. The melting point and boiling point of a substance is 70 °C and 450 °C respectively; its enthalpy of fusion is 30.0 cal g', its enthalpy of vaporisation is 45.0 cal g', and its specific heat is 0.215 cal g'' K-'. What is the heat required to convert 100.0 g of the substance from the solid state at 70 °C to vapour at 450 °C? A. 7.5 kcal В. 10.7 kcal С. 15.7 kcal D. 28.7 kcal
36. The melting point and boiling point of a substance is 70 °C and 450 °C respectively; its enthalpy of fusion is 30.0 cal g', its enthalpy of vaporisation is 45.0 cal g', and its specific heat is 0.215 cal g'' K-'. What is the heat required to convert 100.0 g of the substance from the solid state at 70 °C to vapour at 450 °C? A. 7.5 kcal В. 10.7 kcal С. 15.7 kcal D. 28.7 kcal
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter9: Liquids, Solids, And Materials
Section: Chapter Questions
Problem 98QRT
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