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Explain the scientific method

Introductory Chemistry | 4th Edition | ISBN: 9780321687937 | Authors: Nivaldo J. Tro ISBN: 9780321687937 425

Solution for problem 7 Chapter 1

Introductory Chemistry | 4th Edition

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Introductory Chemistry | 4th Edition | ISBN: 9780321687937 | Authors: Nivaldo J. Tro

Introductory Chemistry | 4th Edition

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Problem 7

Explain the scientific method

Step-by-Step Solution:
Step 1 of 3

Electrostatic Attraction: Attraction between electrons in one molecule and the nucleus of another adjacent molecule The more polar the molecule, the higher its boiling point in its pure liquid Physical properties Affected by Intermolecular Forces  Viscosity o Resistance of a liquid to flow o Related to the ease with which molecules can move past each other o Increases with stronger IM forces and decreases with temperature  Surface Tension o Results from the net inward force experienced by the molecules on the surface of a liquid  Vapor Pressure o At any temperature, some molecules in a liquid might have enough energy to break free o As the temperature rises, the fraction of molecules that have enough energy to break free increases o As more molecules escape the liquid, the pressure they exert increases o The liquid and vapor reach a state of dynamic equilibrium; liquid molecules evaporate and vapor molecules condense at the same rate o The boiling point of a liquid is the temperature at which its vapor pressure equals atmospheric pressure o The normal boiling point is the temperature at which its vapor pressure is 760 torr o This relationship is quantified in the Vlausius-Clapeyron equation:  P=(-∆H /vap+CP  P=Vapor Pressure  ∆H = Molar enthalpy of vaporization

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Chapter 1, Problem 7 is Solved
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Textbook: Introductory Chemistry
Edition: 4
Author: Nivaldo J. Tro
ISBN: 9780321687937

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