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Assignment #12 - CH 101 Fall 2007

# Assignment #12 - CH 101 Fall 2007 - WebAssign.net Saturday...

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1. --/3 points No Response | Show Details All Responses Notes WebAssign.net Saturday, October 20, 2007 04:23 PM EDT Logged in as [email protected] Logout Home | My Assignments | Grades | Communication | Calendar Guide | Help | My Options Home > My Assignments > Assignment #12 - CH 101 Fall 2007 (Homework) CHANG JAY T CH 101, section 007, Fall 2007 Instructor: Greg Neyhart North Carolina State University About this Assignment Due: Monday, October 15, 2007 11:59 PM EDT Current Score: 15 out of 15 Question Score Submissions Made: 2 out of 3 Submission Options Description State Changes and Solids Instructions This assignment asks you about the states of matter, boiling points, phase diagrams, and cubic unit solids. Consider a balloon of nitrogen and a crystal of sugar at room conditions. * Recall that the "thermal energy" is the "average kinetic energy". * When "magnitude" is used in the questions below, think of it as "absolute value". We use this because kinetic energies are positive, while energies of attraction (potential energies) are negative. Select the correct statement. (o) (o) The thermal energy is the same for each sample (_) (_) The thermal energy is greater for the sugar (_) (_) The thermal energy is greater for the nitrogen Select the correct statement. (_) (_) The magnitude of the energy of attraction is the same for each.

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