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Questions 15 through 17 pertain to the situation described below: An air tank of volume 2.70 × 10-2 m³ has air pressure 7.30 x 106 Pa and temperature 30.0°C inside and is left at a lake bottom at 15.0°C. If there is a leak on the tank and the pressure and temperature inside have dropped to 2.70 × 106 Pa and 11.0°C over a period of time. (15) How many moles of air are in the tank initially? (A) 70.2 mol; (B) 72.2 mol; (C) 74.2 mol; (D) 76.2 mol; (E) 78.2 mol. (16) How many moles of air have leaked out of the tank? (A) 39.3 mol; (B) 41.3 mol; (C) 43.3 mol; (D) 45.3mol; (E) 47.3 mol. (17) What is the work done by the air leaked into the water? (A) 143 kJ; (B) 133 kJ; (C) 123 kJ; (D) 113 kJ; (E) 103 kJ.

Questions 15 through 17 pertain to the situation described below: An air tank of volume 2.70 × 10-2 m³ has air pressure 7.30 x 106 Pa and temperature 30.0°C inside and is left at a lake bottom at 15.0°C. If there is a leak on the tank and the pressure and temperature inside have dropped to 2.70 × 106 Pa and 11.0°C over a period of time. (15) How many moles of air are in the tank initially? (A) 70.2 mol; (B) 72.2 mol; (C) 74.2 mol; (D) 76.2 mol; (E) 78.2 mol. (16) How many moles of air have leaked out of the tank? (A) 39.3 mol; (B) 41.3 mol; (C) 43.3 mol; (D) 45.3mol; (E) 47.3 mol. (17) What is the work done by the air leaked into the water? (A) 143 kJ; (B) 133 kJ; (C) 123 kJ; (D) 113 kJ; (E) 103 kJ.

Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter5: Gases, Liquids, And Solids
Section: Chapter Questions
Problem 5.26P
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Questions 15 through 17 pertain to the situation described below: An air tank of volume 2.70 x 10-2 m³ has air pressure 7.30 x 106 Pa and temperature 30.0°C inside and is left at a lake bottom at 15.0°C. If there is a leak on the tank and the pressure and temperature inside have dropped to 2.70 × 106 Pa and 11.0°C over a period of time. (15) How many moles of air are in the tank initially? (A) 70.2 mol; (B) 72.2 mol; (C) 74.2 mol; (D) 76.2 mol; (E) 78.2 mol. (16) How many moles of air have leaked out of the tank? (A) 39.3 mol; (B) 41.3 mol; (C) 43.3 mol; (D) 45.3 mol; (E) 47.3 mol. (17) What is the work done by the air leaked into the water? (A) 143 kJ; (B) 133 kJ; (C) 123 kJ; (D) 113 kJ; (E) 103 kJ.
Transcribed Image Text:Questions 15 through 17 pertain to the situation described below: An air tank of volume 2.70 x 10-2 m³ has air pressure 7.30 x 106 Pa and temperature 30.0°C inside and is left at a lake bottom at 15.0°C. If there is a leak on the tank and the pressure and temperature inside have dropped to 2.70 × 106 Pa and 11.0°C over a period of time. (15) How many moles of air are in the tank initially? (A) 70.2 mol; (B) 72.2 mol; (C) 74.2 mol; (D) 76.2 mol; (E) 78.2 mol. (16) How many moles of air have leaked out of the tank? (A) 39.3 mol; (B) 41.3 mol; (C) 43.3 mol; (D) 45.3 mol; (E) 47.3 mol. (17) What is the work done by the air leaked into the water? (A) 143 kJ; (B) 133 kJ; (C) 123 kJ; (D) 113 kJ; (E) 103 kJ.
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