ssm Oxygen for hospital patients is kept in special tanks, wherethe oxygen has a pressure of 65.0 atmospheres and a tempera-ture of 288 K. The tanks are stored in a separate room, and the oxygenis pumped to the patient's room, where it is administered at a pressure of1.00 atmosphere and a temperature of 297 K. What volume does 1.00 m³of oxygen in the tanks occupy at the conditions in the patient's room?59.

Given:- Solution:- Using ideal gas equation: PV= nRT No. of moles remains constant as there is no…

Answered: ssm Oxygen for hospital patients is…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter2: The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 25P: A company advertises that it delivers helium at a gauge pressure of 1.72107 Pa in a cylinder of...

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Expand 1.00 mol of an monatomic gas initially at 5.00 kPaand 600 K from initial volume Vi = 1.00 m3 to final volume Vf =2.00 m3. At any instant during the expansion, the pressure p and volumeV of the gas are related by p = 5.00 exp[(Vi - V)/a], with p inkilopascals, Vi and V in cubic meters, and a = 1.00 m3.What are thefinal (a) pressure and (b) temperature of the gas? (c) How muchwork is done by the gas during the expansion? (d) What is S for theexpansion? (Hint: Use two simple reversible processes to find S.)
If two thermometers, one reading in oC and the other on K, are inserted in the same system, under the circumstances will they both have the same numerical reading? What will be the system’s temperature when the absolute thermometer reads twice the numerical reading of the Celsius thermometer?
Assume a person has lungs that can hold V = 4.9 L of air (at 1 atm), and their body temperature is currently T = 38° C. How many moles of air does the average human have in their lungs when they breath in?
An ideal diatomic gas undergoes an adiabatic compression during which time its volume changes from VA = 1300 cm3 to VB = 390 cm3. If its initial temperature is TA = 74.0°C, what is the final temperature TB of the gas?
An ideal monatomic gas, consisting of 2.8 mol of volume 9.2×10−2 m3, expands adiabatically. The initial and final temperatures are 85 ∘C and -52 ∘C What is the final volume of the gas?
Under constant pressure, the temperature of 2.00 mol of an ideal monatomic gas is raised 15.0 K. What are (a) the work W done by the gas, (b) the energy transferred as heat Q, (c) the change Eint in the internal energy of the gas, and (d) the change K in the average kinetic energy per atom?
The initial temperature of three moles of oxygen gas is 22.5°C, and its pressure is 8.00 atm. What will its final temperature (in Celsius) be when heated at constant volume so the pressure is two times its initial value?
The boa constrictor is a cold-blooded snake, meaning it must regulate its body temperature through sunlight and other external sources. If the boa's body temperature can change from 70.50°Fto 85.00°F, by how much can the boa's body temperature change in units of Kelvin? (round to nearest hundredth) _____K If the boa constrictor's temperature decreases by 15.00°C, by how much does it decrease in units of Fahrenheit? (round to nearest hundredth) ____°F
Two monatomic ideal gases A and B are at the same temperature. If 1.0 g of gas A has the same internal energy as 0.10 g of gas B, what are (a) the ratio of the number of moles of each gas and (b) the ration of the atomic masses of the two gases?
An aluminum rod 0.500 m in length and with a cross-sectional area of 2.50 cm2 is inserted into a thermally insulated vessel containing liquid helium at 4.20 K. The rod is initially at 300 K. (a) If one-half of the rod is inserted into the helium, how many liters of helium boil off by the time the inserted half cools to 4.20 K? Assume the upper half does not yet cool. (b) If the circular surface of the upper end of the rod is maintained at 300 K, what is the approximate boil-off rate of liquid helium in liters per second after the lower half has reached 4.20 K? (Aluminum has thermal conductivity of 3 100 W/m K at 4.20 K; ignore its temperature variation. The density of liquid helium is 125 kg/m3.)
For a temperature increase of 10 at constant volume, what is the heat absorbed by (a) 3.0 mol of a dilute monatomic gas; (b) 0.50 mol of a dilute diatomic gas; and (c) 15 mol of a dilute polyatomic gas?
A company advertises that it delivers helium at a gauge pressure of 1.72107 Pa in a cylinder of volume 43.8 L. How many balloons can be inflated to a volume of 4.00 L with that amount of helium? Assume the pressure inside the balloons is 1.72105 Pa and the temperature in the cylinder and the balloons is 25.0 .

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