Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition) - Standalone book
12th Edition
ISBN: 9780321908445
Author: Karen C. Timberlake
Publisher: PEARSON
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Chapter 8.2, Problem 8.10QAP
Why does a sealed bag of chips expand when you take it to a higher altitude?
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Chapter 8 Solutions
Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition) - Standalone book
Ch. 8.1 - Prob. 8.1QAPCh. 8.1 - Use the kinetic molecular theory of gases to...Ch. 8.1 - Identify the property of a gas that is measured in...Ch. 8.1 - Identify the property of a gas that is measured in...Ch. 8.1 - Prob. 8.5QAPCh. 8.1 - Prob. 8.6QAPCh. 8.1 - Prob. 8.7QAPCh. 8.1 - Prob. 8.8QAPCh. 8.2 - Why do scuba divers need to exhale air when they...Ch. 8.2 - Why does a sealed bag of chips expand when you...
Ch. 8.2 - Prob. 8.11QAPCh. 8.2 - A balloon is filled with helium gas. When each of...Ch. 8.2 - Prob. 8.13QAPCh. 8.2 - Prob. 8.14QAPCh. 8.2 - A 10.0-L balloon contains helium gas at a pressure...Ch. 8.2 - Prob. 8.16QAPCh. 8.2 - A sample of nitrogen N2 has a volume of 50.0 L at...Ch. 8.2 - A sample of methane CH4 has a volume of 25 mL at a...Ch. 8.2 - Prob. 8.19QAPCh. 8.2 - Prob. 8.20QAPCh. 8.2 - Prob. 8.21QAPCh. 8.2 - Prob. 8.22QAPCh. 8.3 - Select the diagram that shows the final volume of...Ch. 8.3 - Indicate whether the final volume of gas in each...Ch. 8.3 - A sample of neon initially has a volume of 2.50 L...Ch. 8.3 - Prob. 8.26QAPCh. 8.3 - A balloon contains 2500 ml- of helium gas at 75C ....Ch. 8.3 - Prob. 8.28QAPCh. 8.4 - Prob. 8.29QAPCh. 8.4 - Prob. 8.30QAPCh. 8.4 - Calculate the final temperature, in degrees...Ch. 8.4 - Calculate the final temperature, in degrees...Ch. 8.5 - Prob. 8.33QAPCh. 8.5 - A sample of argon gas has a volume of 735 mL at a...Ch. 8.5 - A 124-mL bubble of hot gas initially at 212 °C and...Ch. 8.5 - A scuba diver 60 ft below the ocean surface...Ch. 8.6 - What happens to the volume of a bicycle tire or a...Ch. 8.6 - Prob. 8.38QAPCh. 8.6 - Prob. 8.39QAPCh. 8.6 - Prob. 8.40QAPCh. 8.6 - Prob. 8.41QAPCh. 8.6 - Prob. 8.42QAPCh. 8.6 - Prob. 8.43QAPCh. 8.6 - Prob. 8.44QAPCh. 8.7 - A typical air sample in the lungs contains oxygen...Ch. 8.7 - Prob. 8.46QAPCh. 8.7 - Prob. 8.47QAPCh. 8.7 - In a gas mixture, the partial pressures are argon...Ch. 8.7 - A gas mixture containing oxygen, nitrogen, and...Ch. 8.7 - A gas mixture containing oxygen, nitrogen, and...Ch. 8.7 - Prob. 8.51QAPCh. 8.7 - Prob. 8.52QAPCh. 8 - Two flasks of equal volume and at the same...Ch. 8 - Prob. 8.54UTCCh. 8 - At 100 °C, which of the following diagrams (1, 2,...Ch. 8 - Indicate which diagram (1, 2, or 3) represents the...Ch. 8 - A balloon is filled with helium gas with a partial...Ch. 8 - Prob. 8.58UTCCh. 8 - Prob. 8.59UTCCh. 8 - Prob. 8.60UTCCh. 8 - Prob. 8.61AQAPCh. 8 - Prob. 8.62AQAPCh. 8 - Prob. 8.63AQAPCh. 8 - Prob. 8.64AQAPCh. 8 - A weather balloon has a volume of 750 L when...Ch. 8 - Prob. 8.66AQAPCh. 8 - A weather balloon is partially filled with Helium...Ch. 8 - Prob. 8.68AQAPCh. 8 - A gas mixture contains Oxygen and Argon at partial...Ch. 8 - Prob. 8.70AQAPCh. 8 - Prob. 8.71CQCh. 8 - You are doing research on planet X. The...Ch. 8 - Prob. 8.73CQCh. 8 - Prob. 8.74CQCh. 8 - Prob. 8.75CQCh. 8 - Prob. 8.76CQ
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- A balloon filled with helium gas is found to take 6 hours to deflate to 50% of its original volume. How long will it take for an identical balloon filled with the same volume of hydrogen gas (instead of helium) to decrease its volume by 50%?arrow_forwardThe distribution of molecular velocities in a sample of helium is shown in Figure 9.34. If the sample is cooled, will the distribution of velocities look more like that of H2 or of H2O? Explain your answer.arrow_forwardTwo identical He-filled balloons, each with a volume of 20 L, are allowed to rise into the atmosphere. One rises to an altitude of 3000 m while the other rises to 6000 m. a Assuming that the balloons are at the same temperature, which balloon has the greater volume? b What information would you need in order to calculate the volume of each of the balloons at their respective heights?arrow_forward
- 109 An ore sample with a mass of 670 kg contains 27.7% magnesium carbonate, MgCO3. If all of the magnesium carbonate in this ore sample is decomposed to form carbon dioxide, describe how to determine what volume of CO2 is evolved during the process. What would have to be measured to predict the needed volume in advance?arrow_forwardIn addition to the data found in Figure 9.13, what other information do we need to find the mass of the sample of air used to determine the graph?arrow_forward111 Consider a room that is 14ft20ft wih an 8-ft ceiling. (a) How many molecules of air are present in this room at 20°C and 750 torr? (b) If a pollutant is present at 2.3 ppm, how many pollutant molecules are in this room?arrow_forward
- 82 Why do heavier gases move more slowly than light gases at the same temperature?arrow_forwardWhy are sharp knives more effective than dull knives (Hint: think about the definition of pressure)?arrow_forward105 The decomposition of mercury(II) thiocyanate produces an odd brown snake-like mass that is so unusual the process was once used in fireworks displays. There are actually several reactions that take place when the solid Hg(SCN)2 is ignited: 2Hg(SCN)2(s)2HgS(s)+CS2(s)+C3N4(s)CS2(s)+3O2(g)CO2(g)+2SO2(g)2C3N4(s)3(CN)2(g)+N2(g)HgS(s)+O2(g)Hg(l)+SO2(g) A 42.4-g sample of Hg(SCN)2 is placed into a 2.4-L vessel at 21°C. The vessel also contains air at a pressure of 758 torr. The container is sealed and the mixture is ignited, causing the reaction sequence above to occur. Once the reaction is complete, the container is cooled back to the original temperature of 21°C. (a) Without doing numerical calculations, predict whether the final pressure in the vessel will be greater than, less than, or equal to the initial pressure. Explain your answer. (b) Calculate the final pressure and compare your result with your prediction. (Assume that the mole fraction of O2 in air is 0.21.)arrow_forward
- A balloon inflated with three breaths of air has a volume of 1.7 L. At the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?arrow_forwardConsider these four gas samples, all at the same temperature. The larger boxes have twice the volume of the smaller boxes. Rank the gas samples with respect to: (a) pressure, (b) density, (c) average kinetic energy, and (d) average molecular speed. (Green spheres are He; violet spheres are Ne.)arrow_forwardChloroform, CHCl3, is a volatile (easily vaporized) liquid solvent. Calculate the density of chloroform vapor at 98C and 797 mmHg. Give the answer in grams per liter.arrow_forward
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