UA CHEM 151 - Exam 1 Study Guide (2 pages)

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Exam 1 Study Guide



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Exam 1 Study Guide

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Pages:
2
Type:
Study Guide
School:
University of Arizona
Course:
Chem 151 - General Chemistry I
General Chemistry I Documents

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Chem 151 1st Edition Exam 1 Study Guide Unit 1 Module 1 2 3 1 Burning paper vs Rusted nails What changes What stays the same 2 Give examples of intensive and extensive properties 3 What would happen if you blew up a balloon and immersed it in liquid nitrogen What happens to the balloon The nitrogen What happens inside the balloon 4 A sample of solid water at 20 degrees C is heated at a constant rate to 120 degrees C Draw a graph of Temperature as a function of time and Energy as a function of time What do you see 5 When does boiling point occur What does it mean if a substance is volatile Illustrate these concepts with a graph 6 What steps would you follow to separate air 7 If you had a mixture of hydrocarbons how would you go about separating them 8 What are the three assumptions of the particulate model of matter Module 2 9 Imagine you have a sample of water at the triple point T 276 14 K In which state of matter are the particles moving the fastest Slowest Why are the moving the way they are How will speed of particles change as temperature changes 10 What happens in the refrigeration cycle Draw a graph with energy as a function of time 11 How does pressure relate to Temperature number of particles and Volume Draw three graphs 1 P as a function of T 2 P as a function of Number of particle 3 P as a function of 12 What happens to average kinetic energy of a system when temperature is decreased What changes What stays the same 13 As kinetic energy potential energy 14 Define potential energy 15 During a phase change does the average kinetic energy per particle change Why 16 What are the two most critical elements to a phase change that need to be analyzed 17 According to PEC diagrams what is gas favored by Liquid What is favored at high and low T Does gas or liquid have a higher boiling point 18 How many substances are in pure air Any elements compounds or mixtures 19 What is the difference between a chemical molecular and ionic compound 20 What would a compound gas



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