Consider the data in the table. Compound Melting point (°C) ????? (??/???)ΔHfus (kJ/mol) Boiling point (°C) ????? (??/???)ΔHvap (kJ/mol) HFHF −83.11 4.577 19.54 25.18 HClHCl −114.3 1.991 −84.9 17.53 HBrHBr −86.96 2.406 −67.0 19.27 HIHI −50.91 2.871 −35.38 21.16 Using the data in the table, calculate Δ?fusΔSfus and Δ?vapΔSvap for HF.HF. Δ?fus=ΔSfus= J/(K⋅mol)J/(K⋅mol) Δ?vap=ΔSvap= J/(K⋅mol)J/(K⋅mol) Determine the entropy change when 7.60 mol HF(l)7.60 mol HF(l) boils at atmospheric pressure. Δ?=ΔS= J/K
Consider the data in the table. Compound Melting point (°C) ????? (??/???)ΔHfus (kJ/mol) Boiling point (°C) ????? (??/???)ΔHvap (kJ/mol) HFHF −83.11 4.577 19.54 25.18 HClHCl −114.3 1.991 −84.9 17.53 HBrHBr −86.96 2.406 −67.0 19.27 HIHI −50.91 2.871 −35.38 21.16 Using the data in the table, calculate Δ?fusΔSfus and Δ?vapΔSvap for HF.HF. Δ?fus=ΔSfus= J/(K⋅mol)J/(K⋅mol) Δ?vap=ΔSvap= J/(K⋅mol)J/(K⋅mol) Determine the entropy change when 7.60 mol HF(l)7.60 mol HF(l) boils at atmospheric pressure. Δ?=ΔS= J/K
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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Consider the data in the table.
| Compound | Melting point (°C) | ????? (??/???)ΔHfus (kJ/mol) | Boiling point (°C) | ????? (??/???)ΔHvap (kJ/mol) |
|---|---|---|---|---|
| HFHF | −83.11 | 4.577 | 19.54 | 25.18 |
| HClHCl | −114.3 | 1.991 | −84.9 | 17.53 |
| HBrHBr | −86.96 | 2.406 | −67.0 | 19.27 |
| HIHI | −50.91 | 2.871 | −35.38 | 21.16 |
Using the data in the table, calculate Δ?fusΔSfus and Δ?vapΔSvap for HF.HF.
Δ?fus=ΔSfus=
J/(K⋅mol)J/(K⋅mol)
Δ?vap=ΔSvap=
J/(K⋅mol)J/(K⋅mol)
Determine the entropy change when 7.60 mol HF(l)7.60 mol HF(l) boils at atmospheric pressure.
Δ?=ΔS=
J/K
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