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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
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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
Transcribed Image Text: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
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