21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 9, Problem 42QP
(a)
To determine
Compare the average speed of oxygen and carbon dioxide.
(b)
To determine
Whether the ratio of the speeds depend on temperature of air.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Consider an ideal gas with an absolute temperature of ?1.T1. To what temperature would the gas need to be heated to double its pressure? Express the answer in terms of ?1.T1.
?2=
Consider an ideal gas with a volume of ?1.V1. To what volume would the gas need to be compressed to double its pressure? Express the answer in terms of ?1.V1.
?2=V2=
An airplane passenger has a volume V1 of air in his stomach just before the plane takes off from a sea-level airport.
a. What volume will this quantity of air have at cruising altitude at the same temperature (body temperature), in terms of V1, the pressure on the ground P1, and the cabin pressure at cruising altitude P2?
b. What is this volume, in cubic centimeters, if the initial volume is 95 cm3 and the cabin pressure drops to 7.50 × 104 Pa when the plane is at cruising altitude?
Suppose you require 2500 food Calories per day.
a. What is your average power, in watts?
b. How much energy, in joules, do you require from food in a year? Counting all forms of energy (such as gasoline, electricity, and energy for heating), the average person consumes about 350
billion joules of energy each year. Compare this value to the energy needed from food alone.
a. What is your average power, in watts?
Approximately 121 watts
(Round to the nearest whole number as needed.)
b. The energy required from food is approximately billion joules per year.
(Round to the nearest tenth as needed.)
Chapter 9 Solutions
21st Century Astronomy
Ch. 9.1 - Prob. 9.1CYUCh. 9.2 - Prob. 9.2CYUCh. 9.3 - Prob. 9.3ACYUCh. 9.3 - Prob. 9.3BCYUCh. 9.4 - Prob. 9.4CYUCh. 9.5 - Prob. 9.5CYUCh. 9 - Prob. 1QPCh. 9 - Prob. 2QPCh. 9 - Prob. 3QPCh. 9 - Prob. 4QP
Ch. 9 - Prob. 5QPCh. 9 - Prob. 6QPCh. 9 - Prob. 7QPCh. 9 - Prob. 8QPCh. 9 - Prob. 9QPCh. 9 - Prob. 10QPCh. 9 - Prob. 11QPCh. 9 - Prob. 12QPCh. 9 - Prob. 13QPCh. 9 - Prob. 14QPCh. 9 - Prob. 15QPCh. 9 - Prob. 16QPCh. 9 - Prob. 17QPCh. 9 - Prob. 18QPCh. 9 - Prob. 19QPCh. 9 - Prob. 20QPCh. 9 - Prob. 21QPCh. 9 - Prob. 22QPCh. 9 - Prob. 23QPCh. 9 - Prob. 24QPCh. 9 - Prob. 25QPCh. 9 - Prob. 26QPCh. 9 - Prob. 27QPCh. 9 - Prob. 28QPCh. 9 - Prob. 29QPCh. 9 - Prob. 30QPCh. 9 - Prob. 31QPCh. 9 - Prob. 32QPCh. 9 - Prob. 33QPCh. 9 - Prob. 34QPCh. 9 - Prob. 35QPCh. 9 - Prob. 36QPCh. 9 - Prob. 37QPCh. 9 - Prob. 38QPCh. 9 - Prob. 39QPCh. 9 - Prob. 40QPCh. 9 - Prob. 41QPCh. 9 - Prob. 42QPCh. 9 - Prob. 43QPCh. 9 - Prob. 44QPCh. 9 - Prob. 45QP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is true about a real gas? A. The attractive forces among the gas particles become significant. B. The kinetic energy of the gas particles does not change during collisions. C. The space that the gas particles occupy is too small compared to the total volume. D. The gas particles move only in linear paths.Please explain, thank you.arrow_forward1. The graphs show the distance, d, traveled by two cars, A and B, over time, t. Distance is measured in miles and time is dt 150 measured in hours. 100 Which car traveled slower? Explain how 50 you know. 3. 2. Here are descriptions of four situations in which the volume of water in a tank is a function of time. Match each description to a corresponding graph. Graph 1 Graph 2 Graph 3 Graph 4 /MZEZNTMZMTK1NDKZ/t/allarrow_forwardC. Exercises on Ideal Gas Equation 1. What will be the value of the universal gas constant if pressure in kPa and volume in liters? 2. At what pressure will a sample of He(g) have a density of 0.112 g/L at 27°C?arrow_forward
- P1. Consider a gas of oxygen atoms (H0, = 32 g/mol). What should the temperature of the gas be for the mean square speed of the atoms to be v = 100 m/s? While keeping the temperature the same as before, what should the pressure of the gas be for a container of volume V = 51 to be able to contain m = 1 kg of oxygen? How much does the temperature of the gas increase if the container is dropped on the ground at a speed of u = 2 m/s? You may neglect thermal conduction with the outside.arrow_forwardd. What is the mass of 3 L of water? e. How many seconds are in one day? f. What is the density in grams per cubic centimeter of a rock that has a mass of 1 kg and a volume of 280 cm?arrow_forward2. Gas volume in liters vs. gas pressure in atmospheres Volume (L) Pressure (atm) 5.0 6.35 10.0 16.7 25.0 10.0 8.0 5.0 3.0 2.0 a. What type of relationship does this graph represent (Direct, Indirect, other)? b. What will be the pressure (atm) when the gas volume (L) is: (1) 7.5 L_ 7ahm (2) 4.0 L (3) 2.5 L What will be the volume (L) of the gas when the pressure (atm) is: C. (1) 15 atm (2) 8 atm (3) 20 atm Cairte Page 10 of 12 Lab 2arrow_forward
- 1. An airplane flying with the wind, took 2 hours to travel 1000 km and 2.5 hours in flying back. What was the wind velocity in kph?arrow_forwardP1. Consider a gas of oxygen atoms (µo, = 32 g/mol). What should the temperature of the gas be for the mean square speed of the atoms to be v = 100 m/s? While keeping the temperature the same as before, what should the pressure of the gas be for a container of volume V = 51 to be able to contain m = 1 kg of oxygen? How much does the temperature of the gas increase if the container is dropped on the ground at a speed of u = 2 m/s? You may neglect thermal conduction with the outside.arrow_forwardQ 2: a- If you had 0.2 kg of helium, how many helium atoms would you have? b- If you had 10 dozen helium atoms, what would be their mass? c- What is the mass of one helium atom? d- What is the mass of 2.0 moles of helium atoms?arrow_forward
- Suppose you have argon atoms in a sealed and isolated container, and they all have the same speed of 4.2 x 10² m/s. The atoms then collide with one another until the Maxwell-Boltzmann distribution is established. a. What is the temperature of the gas at equilibrium? b. What is the temperature at equilibrium if you would replace half of the argon atoms by helium atoms?arrow_forwardPlease write your explanation. 1. For a fixed amount of gas,i. if the volume of the gas is doubled, what happens to the pressure of the gas?a. The answer cannot be determined without temperature information.b. The pressure of the gas becomes four times the original pressure.c. The pressure of the gas becomes double the original pressure.d. The pressure of the gas stays the same.e. The pressure of the gas becomes one half the original pressure.f. The pressure of the gas becomes one fourth of the original pressure.ii. if the volume of the gas is doubled in an isothermal process, what happens to the pressure of the gas? a. The answer cannot be determined without temperature information.b. The pressure of the gas becomes four times the original pressure.c. The pressure of the gas becomes double the original pressure.d. The pressure of the gas stays the same.e. The pressure of the gas becomes one half the original pressure.f. The pressure of the gas becomes one fourth of the original…arrow_forwardCharle's Law states that for a given mass of a gas at constant pressure, the volume is directly proportional to its thermodynamics temperature. A certain gas has a volume of 2.25 L at a temperature of 320K. a. Determine the constant of proportionality. b. Determine the volume of the gas at a temperature of 420K. c. Determine the temperature of the gas at a volume of 2.615 Larrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College