Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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What is the final temperature (in °C) of a gas whose initial pressure is 996.96 torr, initial temperature is 28.00°C, and final pressure is 251.61 torr? Assume volume and amount of gas are held constant. You will need to use one of the named
Report your answer to two decimal places.
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- Rank the samples of gas described in the table below in order of increasing average speed of the atoms or molecules in them. That is, select "1" next to the sample in which the atoms or molecules have the slowest average speed. Select "2" next to the sample in which the atoms or molecules have the next slowest average speed, and so on. average speed of atoms or molecules gas sample 1.2 mol of helium gas at 2.4 atm and -98. °C (Choose one) v 2.5 mol of helium gas at 2.0 atm and -58. °C (Choose one) v 2.7 mol of neon gas at 1.8 atm and -98. °C (Choose one) v 1.3 mol of argon gas at 1.9 atm and -98. °C (Choose one) varrow_forwardA gas storage cylinder in an ordinary chemical laboratory measures 2.5 cm wide and 10. cm high. This is the label on it. Contents: N, gas Pressure: 17.8 atm If the cylinder is opened and the gas allowed to escape into a large empty plastic bag, what will be the final volume of nitrogen gas, including what's collected in the plastic bag and what's left over in the cylinder? Write your answer in liters. Round your answer to 2 significant digits. L x10arrow_forwardRank the samples of gas described in the table below in order of increasing average speed of the atoms or molecules in them. That is, select "1" next to the sample in which the atoms or molecules have the slowest average speed. Select "2" next to the sample in which the atoms or molecules have the next slowest average speed, and so on. gas sample 2.2 mol of argon gas at 1.8 atm and -63. °C 1.2 mol of argon gas at 1.5 atm and -84. °C 3.0 mol of neon gas at 2.3 atm and -63. °C 1.1 mol of neon gas at 2.7 atm and -42. °C average speed of atoms or molecules (Choose one) (Choose one) (Choose one) (Choose one)arrow_forward
- need help with this pleasearrow_forwardI need help with part A and B in chemistryarrow_forward(References] Use the References to access important values if needed for this question. A sample of xenon gas at a pressure of 0.949 atm and a temperature of 26.9 °C, occupies a volume of 11.0 liters. If the gas is compressed at constant temperature to a volume of 3.30 liters, the pressure of the gas sample will be Submit Answer Try Another Version 3 item attempts remaining Previous Next Email Inst Cengage Learning | Cengage Technical Support AP DELLarrow_forward
- Rank the samples of gas described in the table below in order of increasing average speed of the atoms or molecules in them. That is, select "1" next to the sample in which the atoms or molecules have the slowest average speed. Select "2" next to the sample in which the atoms or molecules have the next slowest average speed, and so on. average speed of atoms or molecules gas sample 1.3 mol of krypton gas at 2.5 atm and -28. °C (Choose one) v 2.3 mol of xenon gas at 2.9 atm and – 28. °C |(Choose one) v 1.9 mol of krypton gas at 1.7 atm and 30. °C (Choose one) v 1.0 mol of krypton gas at 3.0 atm and 1. °C |(Choose one)arrow_forwardRank the samples of gas described in the table below in order of increasing average speed of the atoms or molecules in them. That is, select "1" next to the sample in which the atoms or molecules have the slowest average speed. Select "2" next to the sample in which the atoms or molecules have the next slowest average speed, and so on. gas sample 2.4 mol of argon gas at 2.3 atm and -20. °C 2.3 mol of krypton gas at 3.0 atm and -43. °C 1.5 mol of krypton gas at 2.4 atm and -20. °C 1.0 mol of neon gas at 2.7 atm and -20. °C average speed of atoms or molecules (Choose one) (Choose one) (Choose one) (Choose one)arrow_forwardAccording to Dalton, the pressure exerted by a gas inside a container is proportional to the number of molecules of that gas. If 4.00 x 1023 molecules of N2 and 2.00 x 1023 molecules of O2 are mixed in a container they exert a total pressure of 1686 torr. What portion of that pressure (in torr units) is exerted by the N2? Report answer to four significant figures in decimal notation. _____________________ torr, What portion of that pressure (in torr units) is exerted by the O2? Report answer to four significant figures in decimal notation. ____________________ torrarrow_forward
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