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plem Set #5 - The following questions refer to the chart below which shows the II) Noncovalent Forces boiling points of specific compounds containing only H-E bonds, where E stands for elements in various periods and groups. 150 a) Explain the steady increase in boiling points in going from Period 3 to Period 5 elements. H2O 100 50 HFO H2TE SBH3 NH3 H2Se HI H2S AsH HCI –50 b) Explain the sharp decrease in boiling points in going from Period 2 to Period 3 elements. HBr -100 PH Group 17 Group 16 Group 15 -150 2 4. Period c) Do you expect melting points to necessarily follow the same trends? Why or why not? Boiling point (°C)

plem Set #5 - The following questions refer to the chart below which shows the II) Noncovalent Forces boiling points of specific compounds containing only H-E bonds, where E stands for elements in various periods and groups. 150 a) Explain the steady increase in boiling points in going from Period 3 to Period 5 elements. H2O 100 50 HFO H2TE SBH3 NH3 H2Se HI H2S AsH HCI –50 b) Explain the sharp decrease in boiling points in going from Period 2 to Period 3 elements. HBr -100 PH Group 17 Group 16 Group 15 -150 2 4. Period c) Do you expect melting points to necessarily follow the same trends? Why or why not? Boiling point (°C)

Chemistry: The Molecular Science
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 38QRT
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Problem Set #5 II) Noncovalent Forces boiling points of specific compounds containing only H-E bonds, where E stands for elements in various periods and groups. - The following questions refer to the chart below which shows the 150 a) Explain the steady increase in boiling points in going from Period 3 to Period 5 elements. H20 100 50 НЕО SBH3 NH3 H2Se HI H2S ASH3 -50 b) Explain the sharp decrease in boiling points in going from Period 2 to Period 3 elements. HCI HBr -100 Group 17 Group 16 Group 15 -150 3 4 5 Period c) Do you expect melting points to necessarily follow the same trends? Why or why not? Boiling point (°C)
Transcribed Image Text:Problem Set #5 II) Noncovalent Forces boiling points of specific compounds containing only H-E bonds, where E stands for elements in various periods and groups. - The following questions refer to the chart below which shows the 150 a) Explain the steady increase in boiling points in going from Period 3 to Period 5 elements. H20 100 50 НЕО SBH3 NH3 H2Se HI H2S ASH3 -50 b) Explain the sharp decrease in boiling points in going from Period 2 to Period 3 elements. HCI HBr -100 Group 17 Group 16 Group 15 -150 3 4 5 Period c) Do you expect melting points to necessarily follow the same trends? Why or why not? Boiling point (°C)
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