General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 10, Problem 10.62SP
Interpretation Introduction
Interpretation:
The enthalpy of vaporization
Concept Introduction:
Entropy of Vaporization:
At the temperature, where there change in phase occurs, the two phases co-exist in equilibrium and
Rearranging the above equation,
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A liquid at 20.0 °C exhibits a vapor pressure of 0.555 atm. The liquid is heated to 60.0 °C. What is the new vapor pressure (in atm to three decimal places) if ΔHvap = 25.595 kJ mol–1?
HI has a normal boiling point of –35.4°C, and its ΔHvap is 21.16 kJ/mol. Calculate the molar entropy of vaporization (ΔSvap).
The vapor pressure of ethanol at 34.7 °C is 100.0 mm Hg, and ΔHvap = 38.6 kJ/mol. What is the temperature, in Kelvin, if the vapor pressure of ethanol is 386.0 mm Hg?
Chapter 10 Solutions
General Chemistry: Atoms First
Ch. 10.1 - The dipole moment of HF is = 1.83 D, and the bond...Ch. 10.1 - Prob. 10.2PCh. 10.1 - Prob. 10.3CPCh. 10.1 - Prob. 10.4CPCh. 10.2 - Prob. 10.5PCh. 10.2 - Prob. 10.6PCh. 10.4 - Prob. 10.7PCh. 10.4 - Chloroform (CHCl3) has Hvap = 29.2 kJ/mol and Svap...Ch. 10.5 - Prob. 10.9PCh. 10.5 - Prob. 10.10P
Ch. 10.8 - Prob. 10.11PCh. 10.8 - Prob. 10.12PCh. 10.8 - Prob. 10.13PCh. 10.8 - Prob. 10.14CPCh. 10.9 - Prob. 10.15PCh. 10.9 - Prob. 10.16CPCh. 10.11 - Prob. 10.17PCh. 10.11 - Prob. 10.18PCh. 10.11 - Prob. 10.19CPCh. 10.11 - Prob. 10.20PCh. 10.11 - Prob. 10.21PCh. 10 - Prob. 10.22CPCh. 10 - Prob. 10.23CPCh. 10 - Zinc sulfide, or sphalerite, crystallizes in the...Ch. 10 - Perovskite, a mineral containing calcium, oxygen,...Ch. 10 - Prob. 10.26CPCh. 10 - Prob. 10.27CPCh. 10 - Prob. 10.28CPCh. 10 - Prob. 10.30CPCh. 10 - Prob. 10.31CPCh. 10 - Why dont all molecules with polar covalent bonds...Ch. 10 - Prob. 10.33SPCh. 10 - Prob. 10.34SPCh. 10 - Prob. 10.35SPCh. 10 - Methanol (CH3OH; bp = 65 C) boils nearly 230 C...Ch. 10 - Prob. 10.37SPCh. 10 - Which of the following substances would you expect...Ch. 10 - Prob. 10.39SPCh. 10 - Prob. 10.40SPCh. 10 - The dipole moment of ClF is 0.887 D and the...Ch. 10 - Prob. 10.42SPCh. 10 - Prob. 10.43SPCh. 10 - The class of ions PtX42, where X is a halogen, has...Ch. 10 - Prob. 10.45SPCh. 10 - Prob. 10.46SPCh. 10 - Prob. 10.47SPCh. 10 - Prob. 10.48SPCh. 10 - Prob. 10.49SPCh. 10 - Prob. 10.50SPCh. 10 - Prob. 10.51SPCh. 10 - Mercury has mp = 38.8 C and bp = 356.6 C. What, if...Ch. 10 - Prob. 10.53SPCh. 10 - Prob. 10.54SPCh. 10 - Prob. 10.55SPCh. 10 - Prob. 10.56SPCh. 10 - Prob. 10.57SPCh. 10 - Prob. 10.58SPCh. 10 - How much energy in kilojoules is released when...Ch. 10 - Draw a molar heating curve for ethanol, C2H5OH,...Ch. 10 - Prob. 10.61SPCh. 10 - Prob. 10.62SPCh. 10 - Prob. 10.63SPCh. 10 - Prob. 10.64SPCh. 10 - Prob. 10.65SPCh. 10 - Prob. 10.66SPCh. 10 - Prob. 10.67SPCh. 10 - Prob. 10.68SPCh. 10 - Prob. 10.69SPCh. 10 - Prob. 10.70SPCh. 10 - Prob. 10.71SPCh. 10 - Prob. 10.72SPCh. 10 - Prob. 10.73SPCh. 10 - Prob. 10.74SPCh. 10 - Prob. 10.75SPCh. 10 - Prob. 10.76SPCh. 10 - Which of the substances diamond, Hg, Cl2, glass,...Ch. 10 - Prob. 10.78SPCh. 10 - Prob. 10.79SPCh. 10 - Prob. 10.80SPCh. 10 - Prob. 10.81SPCh. 10 - Prob. 10.82SPCh. 10 - Prob. 10.83SPCh. 10 - Prob. 10.84SPCh. 10 - Prob. 10.85SPCh. 10 - Prob. 10.86SPCh. 10 - Prob. 10.87SPCh. 10 - Prob. 10.88SPCh. 10 - Sodium has a density of 0.971 g/cm3 and...Ch. 10 - Prob. 10.90SPCh. 10 - Prob. 10.91SPCh. 10 - Prob. 10.92SPCh. 10 - Prob. 10.93SPCh. 10 - Prob. 10.94SPCh. 10 - Prob. 10.95SPCh. 10 - Look at the phase diagram of CO2 in Figure 10.29,...Ch. 10 - Prob. 10.97SPCh. 10 - Prob. 10.98SPCh. 10 - Prob. 10.99SPCh. 10 - Prob. 10.100SPCh. 10 - Prob. 10.101SPCh. 10 - Does solid oxygen (Problem 10.99) melt when...Ch. 10 - Prob. 10.103SPCh. 10 - Prob. 10.104SPCh. 10 - Prob. 10.105SPCh. 10 - Prob. 10.106SPCh. 10 - Prob. 10.107SPCh. 10 - Prob. 10.108CHPCh. 10 - Prob. 10.109CHPCh. 10 - Prob. 10.110CHPCh. 10 - Prob. 10.111CHPCh. 10 - Prob. 10.112CHPCh. 10 - Prob. 10.113CHPCh. 10 - Prob. 10.114CHPCh. 10 - Prob. 10.115CHPCh. 10 - Magnesium metal has Hfusion = 9.037 kJ/mol and...Ch. 10 - Prob. 10.117CHPCh. 10 - Prob. 10.118CHPCh. 10 - Prob. 10.119CHPCh. 10 - Prob. 10.120CHPCh. 10 - Prob. 10.121CHPCh. 10 - Prob. 10.122CHPCh. 10 - Prob. 10.123CHPCh. 10 - Calculate the percent volume occupied by the...Ch. 10 - Prob. 10.125CHPCh. 10 - Prob. 10.126CHPCh. 10 - Prob. 10.127CHPCh. 10 - A drawing of the NaCl unit cell is shown in Figure...Ch. 10 - Niobium oxide crystallizes in the following cubic...Ch. 10 - Prob. 10.130CHPCh. 10 - One form of silver telluride (Ag2Te) crystallizes...Ch. 10 - Prob. 10.132CHPCh. 10 - Prob. 10.133MPCh. 10 - Prob. 10.134MPCh. 10 - A group 3A metal has a density of 2.70 g/cm3 and a...Ch. 10 - Prob. 10.136MP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Follow the step-wise process outlined in Problem 31 to calculate the amount of heat involved in condensing 100.00 g of benzene gas (C6H6) at 80.00C to liquid benzene at 25.00C. Use Tables 8.1 and 8.2 for the specific heat, boiling point, and heat of vaporization of benzene.arrow_forward578,070 J of heat is required to raise the temperature of 15.0 moles of liquid methanol, CH3OH, from 25.0 °C to its boiling point (64.6 °C) and then to completely evaporate the methanol at that temperature. The specific heat of liquid methanol is 2.53 J g^-1 K ^-1 . Calculate the enthalpy of vaporisation of the compound.arrow_forwardTwo students measure the vapor pressure of the same unknown organic liquid and compare results. The first student measured a vapor pressure of 630.4 torr at 191 °C, while the second student measured a vapor pressure of 0.5570 atm at 160 °C. What is the ΔH°vap, in kilojoules per mole, for this substance?arrow_forward
- What is the entropy change (J/K) during the evaporation of 0.5891 mole of F2 at its boiling point? The heat of vaporization and boiling point of F2 are 6.531 kJ/mol and 85.01 K, respectively?arrow_forwardThe normal boiling point of acetone is 56.1°C and its ΔHvap at its boiling point is 29.1 kJ/mol. What is the vapor pressure (in atm) at 20.2 °C?arrow_forwardhe organic compound n-hexane, C6H14, boils at 69.0°C. What is its molar heat of vaporization in kilojoules per mole if its vapor pressure at 20°C is 131 torr?arrow_forward
- How much heat (in kJ mol–1 to two decimal places) is required to vaporize 2.5 moles of benzene (C6H6; 78.11 g mol–1) at its normal boiling point using the given enthalpy of vaporization? ΔH=30.72 kJ mol-1arrow_forwardUse the data in the table below to calculate the heat of vaporization (ΔHvap) in kJ/mol of pinene. Use the value of ΔHvap determined in Part 1 to calculate the vapor pressure of pinene (in torr) at room temperature (23ºC).arrow_forwardThe heat capacity, Cp, of liquid carbon disulfide is a relatively constant 78 J/(mol· K). However, the heat capacity of solid carbon disulfide varies greatly with temperature. From 75 K to its melting point at 161 K, the heat capacity of solid carbon disulfide increases linearly from 39 J/(mol· K) to 57 J/(mol- K). The enthalpy of fusion of carbon disulfide is AHfus = 4390 J/mol. The absolute entropy of liquid carbon disulfide at 298 K is S= 151 J/(mol K). Estimate the absolute entropy of carbon disulfide at 75 K. Number S= J/ (mol K)arrow_forward
- When I mole of benzene is vaporized at a constant pressure of 1.00 atm and at its boiling point of 353.0 K, 30.79 kJ of energy (heat) is absorbed and the volume change is +28.90 L. What are ΔE and ΔH for this process?arrow_forwardA compound has a vapor pressure of 100 mmHg at 267 K and a normal boiling point of 338 K. What is the ΔHvap for this compound in kJ/mol?arrow_forwardThe normal boiling point of benzene is 80.1oC. What is the vapor pressure of benzene at 30.0oC? The ΔHvap of benzene is 30.7 kJ/molarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
General Chemistry - Standalone book (MindTap Cour...
Chemistry
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Cengage Learning
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning