EMA 4314 Study Guide

# EMA 4314 Study Guide - EMA 4314 Fall 2010 Homework and...

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EMA 4314 Fall 2010 Homework and Study Guide Version 1.2 September 23 2010 This is a guide. The instructor reserves the right to test on issues covered in the class or homework that may not be highlighted here. All Homework refers to Atkins and de Paula, 9 th edition

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Energetics and Kinetics, Fall 2010 All Numbered HW refers to Physical Chemistry by Atkins and de Paula, 9 th Edition Homework #1 1. Identify a familiar everyday object with dimensions of: a. 100 μ m b. 1 mm c. 1 cm d. 10 cm e. 1 m f. 10 m g. 100 m h. 1 km 2. Identify familiar objects and spaces with volumes of a. 10 -9 m 3 b. 10 -9 m 3 c. 10 -9 m 3 d. 1 m 3 e. 1000 m 3 f. 10 6 m 3 g. 10 9 m 3 3. What volume does 1 mole of a perfect gas occupy under standard conditions? Give your answer in units of a. Liters b. Gallons 4. Identify familiar everyday objects that weigh: a. 0.1 gm b. 1 gm c. 10 gm d. 100 gm e. 500 gm f. 1 Kg g. 10 Kg h. 100 Kg i. 1000 Kg 5. Identify familiar everyday events involving these characteristic speeds: a. 1 mms -1 b. 1 cms -1 c. 10 cms -1 d. 1 ms -1 e. 10 cms -1
f. 100 ms -1 g. 1000 ms -1 h. 10 8 ms -1 6. Identify environments (familiar ones, if possible) that correspond to the following pressure scales: a. 10 -5 Pa b. 1 Pa c. 1000 Pa d. 10 5 Pa e. 10 11 Pa 7. What is 1 atmosphere of pressure in the following units: a. Torr b. mm of Hg c. mm of water d. Pascals e. Pound per square inch 8. Identify events (familiar everyday ones, where possible) that take place on the following time scales: a. 10 -12 s b. 10 -9 s c. 10 -6 s d. 10 -3 s e. 0.01 s f. 0.1 s g. 1 s h. 10 s i. 100 s j. 1000 s k. 10 4 s l. 10 5 s m. 10 6 s 9. Estimate how long it would take to count to a. 1 million b. 1 billion. 10. Give the following temperatures in K, C and F a. Absolute zero b. Boiling temperature of nitrogen c. Sublimation temperature of CO 2 d. Melting temperature of H 2 O e. Room temperature

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f. Body temperature g. Boiling temperature of H 2 O h. Melting point of a typical metal i. Melting point of a high-melting point material j. Temperature on the surface of the sun 11. In g/cm 3 , what is the density of a typical a. Gas b. Liquid c. Solid 12. Approximately how many moles of water are contained in a regular can of soda? 13. A spoonful of sugar helps the medicine go down. Estimate how many moles in a spoonful of sugar 14. Assuming that a human is made up a single substance (which substance?), estimate the number of moles of this substance in a typical human body. 15. What is the population of the world a. In numbers of humans? b. In moles of humans? c. What is the total mass of all the humans in the world? d. What fraction of the mass of the Earth do humans make up? 16. A scientific report published in California claimed that dairy cows produce about 10 kg of methane gas every year, each. a.
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## EMA 4314 Study Guide - EMA 4314 Fall 2010 Homework and...

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