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(a)
Interpretation:
Whether the melting point increase or decrease with the increase in the molar mass of Group
Concept introduction:
The melting point of a compound is the temperature at which solid converts into liquid form. Melting point depends upon the intermolecular forces of attraction between the molecules and is also directly proportional to the molar mass of the compound.
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Answer to Problem 59E
The melting point generally increases with the increase in the molar mass of Group
Explanation of Solution
The melting point of the hydrogen compounds of Group
The order of melting point of hydrogen compounds of Group
The melting point increases with increase in the molar mass of Group
(b)
Interpretation:
Whether the boiling point increases or decreases with the increase in the molar mass of Group
Concept introduction:
The boiling point is the temperature at which the vapor pressure of the liquid becomes equal to the atmospheric pressure. The boiling point of a compound is directly proportional to its intermolecular forces of attractions and the molar mass of the compound.
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Answer to Problem 59E
The boiling point generally increases with the increase in the molar mass of Group
Explanation of Solution
The boiling point of the hydrogen compounds of Group
The order of boiling point of hydrogen compounds of Group
The boiling point increases with increase in the molar mass of Group
(c)
Interpretation:
Whether the heat of fusion increases or decreases with the increase in the molar mass of Group
Concept introduction:
The heat of fusion of a compound is the amount of energy required to convert solid into liquid form. The heat of fusion depends upon the intermolecular forces of attraction between the molecules and is also directly proportional to the molar mass of the compound.
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Answer to Problem 59E
The heat of fusion generally increases with the increase in the molar mass of Group
Explanation of Solution
The heat of fusion of the hydrogen compounds of Group
The order of heat of fusion of hydrogen compounds of Group
The heat of fusion increases with increase in the molar mass of Group
(d)
Interpretation:
Whether the heat of vaporization increases or decreases with the increase in the molar mass of Group
Concept introduction:
The heat of vaporization is the amount of heat required to convert the liquid state to the gaseous state. The heat of vaporization of a compound is directly proportional to its intermolecular forces of attractions and the molar mass of the compound.
![Check Mark](/static/check-mark.png)
Answer to Problem 59E
The heat of vaporization generally increases with the increase in the molar mass of Group
Explanation of Solution
The heat of vaporization of the hydrogen compounds of Group
The order of heat of vaporization of hydrogen compounds of Group
The heat of vaporization increases with the increase in the molar mass of Group
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Chapter 11 Solutions
Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
- Nonearrow_forwardNonearrow_forwardman Campus Depa (a) Draw the three products (constitutional isomers) obtained when 2-methyl-3-hexene reacts with water and a trace of H2SO4. Hint: one product forms as the result of a 1,2-hydride shift. (1.5 pts) This is the acid-catalyzed alkene hydration reaction.arrow_forward
- (6 pts - 2 pts each part) Although we focused our discussion on hydrogen light emission, all elements have distinctive emission spectra. Sodium (Na) is famous for its spectrum being dominated by two yellow emission lines at 589.0 and 589.6 nm, respectively. These lines result from electrons relaxing to the 3s subshell. a. What is the photon energy (in J) for one of these emission lines? Show your work. b. To what electronic transition in hydrogen is this photon energy closest to? Justify your answer-you shouldn't need to do numerical calculations. c. Consider the 3s subshell energy for Na - use 0 eV as the reference point for n=∞. What is the energy of the subshell that the electron relaxes from? Choose the same emission line that you did for part (a) and show your work.arrow_forwardNonearrow_forward(9 Pts) In one of the two Rare Earth element rows of the periodic table, identify an exception to the general ionization energy (IE) trend. For the two elements involved, answer the following questions. Be sure to cite sources for all physical data that you use. a. (2 pts) Identify the two elements and write their electronic configurations. b. (2 pts) Based on their configurations, propose a reason for the IE trend exception. c. (5 pts) Calculate effective nuclear charges for the last electron in each element and the Allred-Rochow electronegativity values for the two elements. Can any of these values explain the IE trend exception? Explain how (not) - include a description of how IE relates to electronegativity.arrow_forward
- Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningIntroduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
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