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Commercial Navigation Adam must fly home to St. Louis from

Algebra and Trigonometry | 9th Edition | ISBN: 9780321716569 | Authors: Michael Sullivan ISBN: 9780321716569 181

Solution for problem 45 Chapter 9.2

Algebra and Trigonometry | 9th Edition

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Algebra and Trigonometry | 9th Edition | ISBN: 9780321716569 | Authors: Michael Sullivan

Algebra and Trigonometry | 9th Edition

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Problem 45

Commercial Navigation Adam must fly home to St. Louis from a business meeting in Oklahoma City. One flight optionflies directly to St. Louis, a distance of about 461.1 miles. A second flight option flies first to Kansas City and then connects to St. Louis. The bearing from Oklahoma City to Kansas City is N29.6E, and the bearing from Oklahoma City to St. Louis is N57.7E. The bearing from St. Louis to Oklahoma City is S57.7W, and the bearing from St. Louis to Kansas City is N79.4W. How many more frequent flyer miles will Adam receive if he takes the connecting flight rather than the direct flight? Source: www.landings.com

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General Chemistry II Exam 1 Study Guide What state of matter is NOT considered to be a fluid state - Solid Solids and liquids have ____ melting points and ____ boiling points Answer: High melting points and boiling points The heat of fusion ( Delta Hfus) is ____ than the the heat of vaporization (delta Hvap) Answer: Lower Hydrogen bonding --------- When H bonds directly to F,O or N A hot gas under a low pressure is _________ Answer: A good approximation of an ideal gas because it allows gas to get further apart minimizing attractive forces A cold gas under a high pressure is a ____________ Answer: Poor approximation of an ideal gas Melting point of benzene (C6H6) is 5.5 degrees Celsius and the heat of fusion at that temp is 9.87 kj/mol. How much heat would be required to melt 35.0 g od benzene Answer: 4.42 kJ Intermolecular forces in order from weakest to strongest Dispersion Dipole-dipole Hydrogen bonding Ion-dipole Liquids are usually regarded as __________________ Answer: Nearly incompressible The equilibrium of vapor pressure doesn't depend on ___________ Answer: the size of the vapor space LeChatelier's Principle states ____ Answer: the equilibrium responds in a direction that tries to restore the equilibrium According to Raoult's Law the rate of evaporation or condensation ___ Answer: depends on how many molecules there are in the liquid phase or in the gas phase Osmotic pressure is proportional to___ Answer: both temperature and molar concentration of the solute When osmosis occurs across a membrane separating a concentrated and a dilute solution__ Answer: a net transfer of solvent happens from the dilute solution to the concentrated solution Heat of solution in organic solvents are often__ Ans: Endothermic because the energy used in step 1 is bigger than the energy released in step 2 When melting or sublimation takes place ____ Answer: The temperature of the solid remains at the melting or sublimation point, and the arriving energy goes instead to do the work of pulling the molecules apart Forces between molecules in a solid are very strong, making molecules _______ _______ Answer: closely packed What is the heat of vaporization Ans: the energy (heat) required to change a liquid at its boiling point to a gas (for 1 gram liquid) The natural log of the vapor pressure of a liquid is inversely proportional to its ______. this relationship is quantified in what Answer: Temperature, Clausius - Clapeyron equation In molecular solids, weak intermolecular forces give rise to ______ melting points Answer: Low Molecular solids show poor _____ and ______ Answer: conductivity thermal and electrical In a solution, the ____ is dispersed uniformly throughout the ______ Answer: solute, solvent When solutions form, they favor increase in _____ that accompanies mixing Answer: entropy What factors affect Solubility 1. solute-solvent interactions (if they're similar intermolecular forces, they are more soluble) 2. Pressure (for gaseous solutions) 3. Temperature Henry's law equation S(g) = kP(g) solubility of gas = pressure of gas Four colligative properties 1. vapor pressure 2. elevation of boiling point 3. depression of freezing point 4. osmotic pressure A solute added to a solvent raises the boiling pressure because____ Answer:The solute particle lowers the vapor pressure, thus requiring a higher temperature of cause a boil

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Chapter 9.2, Problem 45 is Solved
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Textbook: Algebra and Trigonometry
Edition: 9
Author: Michael Sullivan
ISBN: 9780321716569

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Commercial Navigation Adam must fly home to St. Louis from