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 8.6, Problem 8.37QAP
What happens to the volume of a bicycle tire or a basketball when you use an air pump to add air?
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4. A sample of gas originally occupies 29.1 L at 0°C. What is its new volume when it is heated to
15°C? Assume constant pressure. What law is this? (20 pts)
17) On a hot summer day, you notice that a bag of chips left in your vehicle has inflated. Why did this happen?
A) as temperature increases, gas molecules gain kinetic energy and the volume of gas decreases inside the
bag of chips
B) as temperature increases, gas molecules gain kinetic energy and the volume of gas increases inside the bag
of chips
C) as temperature increases, gas molecules lose kinetic energy and the volume of gas increases inside the bag
of chips
18) What mass of nitrogen is needed to fill an 855 L tank at STP?
A) 1.07 kg
B) 0.533 kg
C) 0.978 kg
Consider a 1.0-L sample of helium gas and a 1.0-L sample of argon gas, both at room temperature and atmospheric pressure.a. Do the atoms in the helium sample have the same average kinetic energy as the atoms in the argon sample?b. Do the atoms in the helium sample have the same average velocity as the atoms in the argon sample?c. Do the argon atoms, because they are more massive, exert a greater pressure on the walls of the container? Explain.d. Which gas sample has the faster rate of effusion?
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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- part a. The balloon that Charles used for his initial flight in 1783 was destroyed, but we can estimate that its volume was 31,150 L given the dimensions recorded at the time. If the temperature at ground level was 86°F (30°C) and the atmospheric pressure was 745 mmHg, how many moles of hydrogen gas were needed to fill the balloon? 4.18 part b. Suppose that Charles had changed his plans and carried out his initial flight not in August but on a cold day in January, when the temperature at ground level was −10°C (14°F). How large a balloon would he have needed to contain the same amount of hydrogen gas at the same pressure as in the example above?arrow_forward7) An 1.05 mol sample of oxygen gas at a temperature of 27.0 oC is found to occupy a volume of 21.7 liters. Calculate the pressure of this gas sample in atm. 8) A 0.155 mol sample of oxygen gas has a volume of 834 milliliters at a pressure of 4.93 atm. Calculate the temperature of the O2 gas sample on the Celsius scale. 9) A sample of oxygen gas collected at a pressure of 1.05 atm and a temperature of 301 K is found to occupy a volume of 568 milliliters. How many moles of O2 gas are in the sample? 10) Iron nail rusts when exposed to oxygen.4 Fe (s) + 3 O2 (g) 2 Fe2O3 (s) a) What volume of oxygen gas at 31.0 oC and 1.40 atm is required to react completely with 57.3 g of iron according to the above reaction? b) How many grams of iron(III) oxide are produced to from 18.3 L of oxygen gas at 25.0 oC and 1.06 atm according to the above reaction?arrow_forwardA mixture of carbon dioxide and xenon gases, at a total pressure of 1,407 mmHg, contains 2.18 g of carbon dioxide and 25.82 g of xenon. What is the partial pressure of xenon gas (in mmHg) in the mixture? Enter a number to 1 decimal place.arrow_forward
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