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pure solid sample of Substance X is put into an evacuated flask. The flask is heated at a steady rate and emperature recorded as time passes. Here is a graph of the results: temperature (°C) 170. 150. 130. 110. 90.- 70.- 50. 0. 10. What is the melting point of X ? se this graph to answer the following questions: heat added (kJ/mol) 20. What phase (physical state) of X would you expect to find in the flask after 7 kJ/mol of heat has been added? °C 30. (check all that apply) solid Oliquid gas 40.

pure solid sample of Substance X is put into an evacuated flask. The flask is heated at a steady rate and emperature recorded as time passes. Here is a graph of the results: temperature (°C) 170. 150. 130. 110. 90.- 70.- 50. 0. 10. What is the melting point of X ? se this graph to answer the following questions: heat added (kJ/mol) 20. What phase (physical state) of X would you expect to find in the flask after 7 kJ/mol of heat has been added? °C 30. (check all that apply) solid Oliquid gas 40.

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter10: Solids, Liquids, And Phase Transitions
Section: Chapter Questions
Problem 68AP
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A pure solid sample of Substance X is put into an evacuated flask. The flask is heated at a steady rate and the temperature recorded as time passes. Here is a graph of the results: temperature (°C) 170. 150. 130. 110. 90. 70. 50. 0. 10. What is the melting point of X ? Use this graph to answer the following questions: heat added (kJ/mol) 20. What phase (physical state) of X would you expect to find in the flask after 7 kJ/mol of heat has been added? °℃ 30. (check all that apply) solid liquid gas 40. F d A
Transcribed Image Text:A pure solid sample of Substance X is put into an evacuated flask. The flask is heated at a steady rate and the temperature recorded as time passes. Here is a graph of the results: temperature (°C) 170. 150. 130. 110. 90. 70. 50. 0. 10. What is the melting point of X ? Use this graph to answer the following questions: heat added (kJ/mol) 20. What phase (physical state) of X would you expect to find in the flask after 7 kJ/mol of heat has been added? °℃ 30. (check all that apply) solid liquid gas 40. F d A
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