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22) How many moles of CO, gas are present in a 9.1 L container at 25 °C and 1.35 atm? A) 4.96 × 10-3 moles B) 0.502 moles C) 5.99 moles 23) Oxygen gas (Po2 = 1.10 atm), nitrogen gas (P N2 = 0.840 atm), and carbon dioxide gas (Pco2 = 0.125 atm) occupy the same container. What is the total pressure in the container? A) 2.07 atm B) 1.94 atm C) 0.135 atm 24) A container filled with neon and argon gas is 25.00% neon by volume. What is the partial pressure of argon if the total pressure inside the container is 5.500 atm? A) 1.375 atm B) 412.5 atm C) 4.125 atm

22) How many moles of CO, gas are present in a 9.1 L container at 25 °C and 1.35 atm? A) 4.96 × 10-3 moles B) 0.502 moles C) 5.99 moles 23) Oxygen gas (Po2 = 1.10 atm), nitrogen gas (P N2 = 0.840 atm), and carbon dioxide gas (Pco2 = 0.125 atm) occupy the same container. What is the total pressure in the container? A) 2.07 atm B) 1.94 atm C) 0.135 atm 24) A container filled with neon and argon gas is 25.00% neon by volume. What is the partial pressure of argon if the total pressure inside the container is 5.500 atm? A) 1.375 atm B) 412.5 atm C) 4.125 atm

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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22) How many moles of CO, gas are present in a 9.1 L container at 25 °C and 1.35 atm? A) 4.96 × 10-3 moles B) 0.502 moles C) 5.99 moles 23) Oxygen gas (Po2 = 1.10 atm), nitrogen gas (PN2 = 0.840 atm), and carbon dioxide gas (Pco2 = 0.125 atm) occupy the same container. What is the total pressure in the container? A) 2.07 atm B) 1.94 atm C) 0.135 atm 24) A container filled with neon and argon gas is 25.00% neon by volume. What is the partial pressure of argon if the total pressure inside the container is 5.500 atm? A) 1.375 atm B) 412.5 atm C) 4.125 atm 25) A container filled with helium and argon gas is 8.00% argon by volume. What is the partial pressure of argon if the total pressure inside the container is 4.100 atm? A) 32.8 atm B) 0.328 atm C) 3.77 atm 26) What is the temperature for STP conditions? A) OK B) 298.15 K C) 273.15 K 27) All of the following are the properties of gases except A) Gases have no definite shape, instead, assume the shape of container. B) Gases are compressible. C) Gases won't mix uniformly. D) Gas particles are in constant, rapid motion. E) Gases have no definite shape, instead, assume the shape of container. 28) An unknown gas of 28.5 L has a mass of 55.92 g at STP. What is the identity of the unknown gas? A) CO2 C) N2 B) O2 29) What pressure is exerted on a 20.0L container with 15.9 g of SO2(s) at a temperature of 25.0 °C ? A) 6.07 atm B) 0.303 atm C) 0.0255 atm D) 0.28 atm 30) What is the volume of half a mole of gas at STP conditions? A) 11.2 L B) 22.4 L C) 25.8 L
Transcribed Image Text:22) How many moles of CO, gas are present in a 9.1 L container at 25 °C and 1.35 atm? A) 4.96 × 10-3 moles B) 0.502 moles C) 5.99 moles 23) Oxygen gas (Po2 = 1.10 atm), nitrogen gas (PN2 = 0.840 atm), and carbon dioxide gas (Pco2 = 0.125 atm) occupy the same container. What is the total pressure in the container? A) 2.07 atm B) 1.94 atm C) 0.135 atm 24) A container filled with neon and argon gas is 25.00% neon by volume. What is the partial pressure of argon if the total pressure inside the container is 5.500 atm? A) 1.375 atm B) 412.5 atm C) 4.125 atm 25) A container filled with helium and argon gas is 8.00% argon by volume. What is the partial pressure of argon if the total pressure inside the container is 4.100 atm? A) 32.8 atm B) 0.328 atm C) 3.77 atm 26) What is the temperature for STP conditions? A) OK B) 298.15 K C) 273.15 K 27) All of the following are the properties of gases except A) Gases have no definite shape, instead, assume the shape of container. B) Gases are compressible. C) Gases won't mix uniformly. D) Gas particles are in constant, rapid motion. E) Gases have no definite shape, instead, assume the shape of container. 28) An unknown gas of 28.5 L has a mass of 55.92 g at STP. What is the identity of the unknown gas? A) CO2 C) N2 B) O2 29) What pressure is exerted on a 20.0L container with 15.9 g of SO2(s) at a temperature of 25.0 °C ? A) 6.07 atm B) 0.303 atm C) 0.0255 atm D) 0.28 atm 30) What is the volume of half a mole of gas at STP conditions? A) 11.2 L B) 22.4 L C) 25.8 L
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