Practice Exercise 2 From data gathered by Voyager 1, scientists have estimated the composition of the atmosphere of Titan, Saturn's largest moon. The pressure on the surface of Titan is 162.7 kPa. The atmosphere consists of 82 mol% N2, 12 mol% Ar, and 6.0 mol% CH4. Calculate the partial pressure of each gas.

Practice Exercise 2 From data gathered by Voyager 1, scientists have estimated the composition of the atmosphere of Titan, Saturn's largest moon. The pressure on the surface of Titan is 162.7 kPa. The atmosphere consists of 82 mol% N2, 12 mol% Ar, and 6.0 mol% CH4. Calculate the partial pressure of each gas.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter13: Gases

Section13.5: The Ideal Gas Law

Problem 13.6SC

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Practice Exercise 1If you fill your car tire to a pressure of 32 psi (pounds persquare inch) on a hot summer day when the temperature is35 °C 195 °F2, what is the pressure (in psi) on a cold winterday when the temperature is -15 °C 15 °F2? Assume no gasleaks out between measurements and the volume of thetire does not change.(a) 38 psi (b) 27 psi (c) -13.7 psi (d) 1.8 psi(e) 13.7 psi
EXERCISE 10: A gas occupies a 1.5 liter container of constant volume at 50ºC and 550 mmHg. At what temperature in ° C will the gas reach if the internal pressure is increased to 770 mmHg?
Practice problem: A fixed volume of 5 L is holding 4 moles of gas at a pressure of 3 atm. If the quantity of gas is increased to 5 moles, what will be the new pressure? Practice Problem (You first need to determine which law to use). A 0.4 moles of gas with a volume of 2 L has a T of 413 K and a P of 7 atm. If we decrease the T to 325 K while holding the V constant, what is the new P?
Problem 1.20. Uranium has two common isotopes, with atomic masses of 238 and 235. One way to separate these isotopes is to combine the uranium with fluorine to make uranium hexafluoride gas, UF6, then exploit the difference in the average thermal speeds of molecules containing the different isotopes. Calculate the rms speed of each type of molecule at room temperature, and compare them.
EXERCISE 1: A quantity of gas occupies a volume of 80 cm3 at a pressure of 750 mm Hg. What volume will it occupy at a pressure of 1.2 atm if the temperature does not change?
Laboratory Exercise 3 Ideal Gas INTRODUCTION Use the following guide questions in making your introduction: What is an ideal gas? Properties of ideal gas? MATERIALS AND METHOD Research on the internet or textbook, listed here are the different gas laws, briefly state the conditions and definitions of each gas laws and write the equation that represent the law. Boyle’s Law Charles’ Law Gay-Lussac’s Law In addition, define and state also the conditions and definitions for the following laws: Avogadro’s Law Joule’s Law Discuss the equation of state. RESULTS AND DISCUSSION/CONCLUSION [Provide tables and figures, discuss the each table and figures] References [Cite you references]
EXERCISE 8: The air pressure in a closed flask is 460 mm Hg at 45 ° C. What is the pressure of the gas if it is heated to 125 ° C and the volume remains constant?
1.The gases in a hair spray can are at a temperature of 300 K and a pressure of 30 psi. If the gases in the can reach a pressure of 90 psi, the can will explode. At what temperature will the can explode? 2. Practice Problem: A gas has a T of 400 K and a V of 2.6 L. At what T will the V be 1.5 L?
A 2.5 mol sample of nitrogen at 352 K takes up 1.7 liters of space. What is the pressure of this gas? Show work answer in atm only
What is the total pressure exerted by a gaseous mixture that consists of 4.00 g helium and 10.0 g of nitrogen in a 4.80 liter container at a temperature of 288.2 K? Question options: 7.26 atm 6.68 atm 12.6 atm 15.4 atm
Practice Problems 1. A gas has a volume of 350 ml at 30 C. If the volume changes to 400 ml, what is the new temperature? 2. Submarines need to be extremely strong to withstand the extremely high pressure of water pushing down on them. An experimental research submarine with a volume of 1,510 liters has an internal pressure of 1.20atm. If the pressure of the ocean breaks the submarine forming a bubble with a pressure of 253atm pushing on it, how big will that bubble be? 3. A sample of nitrogen inside a rigid, metal container at 20.0ºC is placed inside an oven whose temperature is 50.0 ̊ C. The pressure inside the container at 20.0ºC started at 3.00 atm?
Assumption: PV / nT = constant (R) = 0.08206 Latm / mol K ( The ideal gas constant R) Units: P in atm V in L n in mol T in Kelvin PV = nRT ideal gas law Practice Problem: A sample of H2 has a volume of 8.56L at a temperature of 0oC and a pressure of 1.5 atm. Calculate the moles of H2 molecules present in this gas sample.

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