Physics for Scientists and Engineers with Modern Physics
4th Edition
ISBN: 9780136139225
Author: Douglas C. Giancoli
Publisher: Prentice Hall
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 17, Problem 57P
To determine
The number of molecules in air that were in Galileo’s breathe.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Assuming the human body is primarily made of water, estimate the number of molecules in it. (Note that water has a molecular mass of 18 g/mol and there are roughly 1024 atoms in a mole.)
(I) What is the approximate mass of air in a living room
5.6 m x 3.6 m × 2.4 m?
The tidal lung volume of human breathing, representing the amount of air inhaled and exhaled in a normal breath, is 500 cm3. (Assume atmospheric pressure.)
(a)
What is the number of molecules of air inhaled with each human breath when the air temperature is 27.0°C?
Chapter 17 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 17.2 - Prob. 1AECh. 17.4 - Prob. 1BECh. 17.5 - How much space would you allow between the...Ch. 17.7 - CHAPTER-OPENING QUESTIONGuess now! A hot-air...Ch. 17.7 - An ideal gas is contained in a steel sphere at...Ch. 17.8 - What is the volume of 1.00 mol of ideal gas at 546...Ch. 17.8 - At 20C, would there be (a) more, (b) less, or (c)...Ch. 17 - Prob. 1QCh. 17 - Name several properties of materials that could be...Ch. 17 - Which is larger, 1 C or 1 F?
Ch. 17 - If system A is in equilibrium with system B, but B...Ch. 17 - Suppose system C is not in equilibrium with system...Ch. 17 - In the relation = 0 T, should 0 be the initial...Ch. 17 - A flat bimetallic strip consists of a strip of...Ch. 17 - Long steam pipes that are fixed at the ends often...Ch. 17 - A flat uniform cylinder of lead floats in mercury...Ch. 17 - Prob. 10QCh. 17 - Prob. 11QCh. 17 - The units for the coefficients of expansion are...Ch. 17 - When a cold mercury-in-glass thermometer is first...Ch. 17 - The principal virtue of Pyrex glass is that its...Ch. 17 - Will a grandfather clock, accurate at 20C, run...Ch. 17 - Freezing a can of soda will cause its bottom and...Ch. 17 - Why might you expect an alcohol-in-glass...Ch. 17 - Will the buoyant force on an aluminum sphere...Ch. 17 - Prob. 19QCh. 17 - From a practical point of view, does it really...Ch. 17 - A ship loaded in sea water at 4C later sailed up a...Ch. 17 - How does the number of atoms in a 21.5-g gold ring...Ch. 17 - How many atoms are there in a 3.4-g copper penny?Ch. 17 - (a) Room temperature is often taken to be 68F....Ch. 17 - Among the highest and lowest natural air...Ch. 17 - Prob. 5PCh. 17 - (II) In an alcohol-in-glass thermometer, the...Ch. 17 - The Eiffel Tower (Fig. 1719) is built of wrought...Ch. 17 - A concrete highway is built of slabs 12m long...Ch. 17 - Prob. 9PCh. 17 - To what temperature would you have to heat a brass...Ch. 17 - Prob. 11PCh. 17 - At a given latitude, ocean water in the so-called...Ch. 17 - (II) To make a secure fit, rivets that are larger...Ch. 17 - A uniform rectangular plate of length and width w...Ch. 17 - (II) An aluminum sphere is 8.75 cm in diameter....Ch. 17 - Prob. 16PCh. 17 - (II) It is observed that 55.50 mL of water at 20C...Ch. 17 - (II) (a) A brass plug is to be placed in a ring...Ch. 17 - (II) If a fluid is contained in a long narrow...Ch. 17 - Prob. 20PCh. 17 - (II) Wine bottles are never completely filled: a...Ch. 17 - (III) (a) Determine a formula for the change in...Ch. 17 - (III) The pendulum in a grandfather clock is made...Ch. 17 - Prob. 24PCh. 17 - Prob. 25PCh. 17 - (II) (a) A horizontal steel 1-beam of...Ch. 17 - (III) A barrel of diameter 134.122 cm at 20C is to...Ch. 17 - (I) What are the following temperatures on the...Ch. 17 - (I) Absolute zero is what temperature on the...Ch. 17 - (II) Typical temperatures in the interior of the...Ch. 17 - Prob. 31PCh. 17 - Prob. 32PCh. 17 - Prob. 33PCh. 17 - Prob. 34PCh. 17 - (II) A stoppered test tube traps 25.0cm3 of air at...Ch. 17 - Prob. 36PCh. 17 - Prob. 37PCh. 17 - (II) A scuba tank is filled with air to a pressure...Ch. 17 - Prob. 39PCh. 17 - Prob. 40PCh. 17 - Prob. 41PCh. 17 - Prob. 42PCh. 17 - Prob. 43PCh. 17 - Prob. 44PCh. 17 - Prob. 45PCh. 17 - (II) You buy an airtight bag of potato chips...Ch. 17 - (II) A typical scuba tank, when fully charged,...Ch. 17 - Prob. 48PCh. 17 - (III) Compare the value for the density of water...Ch. 17 - (III) An air bubble at the bottom of a lake 37.0 m...Ch. 17 - Prob. 51PCh. 17 - Prob. 52PCh. 17 - (II) What is the pressure in a region of outer...Ch. 17 - Prob. 54PCh. 17 - Prob. 55PCh. 17 - Prob. 56PCh. 17 - Prob. 57PCh. 17 - Prob. 58PCh. 17 - Prob. 59PCh. 17 - Prob. 60PCh. 17 - Prob. 61PCh. 17 - Prob. 62GPCh. 17 - A precise steel tape measure has been calibrated...Ch. 17 - Prob. 64GPCh. 17 - The gauge pressure in a helium gas cylinder is...Ch. 17 - If a rod of original length 1 has its temperature...Ch. 17 - Prob. 67GPCh. 17 - Prob. 68GPCh. 17 - A house has a volume of 870 m3. (a) What is the...Ch. 17 - Assume that in an alternate universe, the laws of...Ch. 17 - An iron cube floats in a bowl of liquid mercury at...Ch. 17 - (a) The tube of a mercury thermometer has an...Ch. 17 - From the known value of atmospheric pressure at...Ch. 17 - Estimate the percent difference in the density of...Ch. 17 - Prob. 75GPCh. 17 - A helium balloon, assumed to be a perfect sphere,...Ch. 17 - A standard cylinder of oxygen used in a hospital...Ch. 17 - A brass lid screws tightly onto a glass jar at...Ch. 17 - The density of gasoline at 0C is 0.68 103 kg/m3....Ch. 17 - A helium balloon has volume V0 and temperature T0...Ch. 17 - The first length standard, adopted in the...Ch. 17 - A scuba tank when fully charged has a pressure of...Ch. 17 - A temperature controller, designed to work in a...Ch. 17 - Snorkelers breathe through short tubular snorkels...Ch. 17 - (III) You have a vial of an unknown liquid which...
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
- Approximately how many atoms thick is a cell membrane, assuming all atoms there average about twice the size of a hydrogen atom?arrow_forwardShow that 3, by calculating the change in volume V of a cube with sides of length L.arrow_forwardEx. 20 : Find the mass of 10 C.C. of a gas at N.T.P. if R.M.S. velocity of gas molecules is 400 m/s (Atmospheric pressure P = 1 x 105 N/m)arrow_forward
- Consider a given volume of helium gas at room temperature (20.0 °C). [Molar mass of helium is 4.00 × 10-³ kg mol−1] (i) Calculate the average speed of a molecule of the gas. Give your answer in scientific notation and specified to an appropriate number of significant figures, in the empty box below. = m s−1 (ii) At what temperature would the average translational energy of the gas be one third of the average translational energy at room temperature? Give your answer by entering numbers, specified to an appropriate number of significant figures, into the empty box below. temperature = Karrow_forwardEstimate the number of people in the world who are suffering from the common cold on any given day. (Remember that a person suffers from a cold for about a week, and assume that the average person catches a cold twice a year. The population of Earth is approximately seven billion.) O 10² O 105 O 108 O 10¹3arrow_forwardThe pressure in newtons per square meter (N/m²) of a gas in a cylinder is given by P = 207 - with T in Kelvins (K) and V in cubic meters (m³). (a) If T is increasing at a rate of 9 K/min with V held fixed at 2.5 m', find the rate at which the pressure is changing when T = 90 K. Pa/min (b) If T'is held constant at 90 K while V is decreasing at the rate of 9 m'/min, find the rate at which the pressure is changing when V = 2.5 m2. i Pa/min eTextbook and Media Hint Save for Later Attempts: 0 of 3 used Submit Answerarrow_forward
- The tidal lung volume of human breathing, representing the amount of air inhaled and exhaled in a normal breath, is 500 cm³. (Assume atmospheric pressure.) (a) What is the number of molecules of air inhaled with each human breath when the air temperature is 25.0°C? molecules (b) If the molar mass of air is 28.96 g/mol, what is the mass (in g) of air molecules inhaled with each breath? (Assume the air temperature is 25.0°C.) g (c) It has been calculated that all of the air in Earth's atmosphere could be collected into a sphere of diameter 1,999 km at a pressure of 1.00 atm. What is the mass (in kg) of the air in Earth's atmosphere? (Assume the density of air used in this calculation was 1.225 kg/m³.) kg (d) If all 7 billion humans on Earth inhaled simultaneously, what percentage of the atmosphere would be inhaled during this process? (Assume the air temperature is 25.0°C everywhere on Earth.) %arrow_forwardSpace Physics: The solar corona is a very hot atmosphere surrounding the visible surface of the sun. X-ray emissions from the corona show that its temperature is about 2 × 106 K. The gas pressure in the corona is about 0.03 Pa. Estimate the number density of particles in the solar corona with units of particles per cubic meter.arrow_forward29) At pressures below about 20 atm, some gas mixtures obey the following equation of state, --—a_p-b_p², where a„ = Σya, and √√5 = ₁√₁. The molar volume of a mixture is i-1 =Ży,f(p.T.y.). V = RT P i-1 given by an expression of the form V = a) Derive the function f(p,T,y).arrow_forward
- (1) Hydrostatic balance states Әр Equation -1 -Pg, where p is pressure, z is altitude, pis density and g is the acceleration due to gravity. It can be shown that the reciprocal of hydrostatic balance also applies. That is Equation -2 Əz Əz Әр 1 pg Use the ideal gas law (p = pRT, where R is the gas constant for dry air and T is temperature) to eliminate p from (2). (2) Under geostrophic balance, the following balance is approximately satisfied Equation -3 fu = -g (³3), ду where f is the Coriolis parameter, u is the zonal wind, y is meridional distance and z is altitude. (Note that the derivative on the right hand side is taken at constant pressure.) Differentiate (3) with respect to p, and use your expression from part 1 to obtain an expression relating du/ap and OT/oy. This expression is called "thermal wind balance".arrow_forwardSuppose a table tennis ball has a diameter of 3.5 cm. Calculate the depth, in kilometers, to which Avogadro’s number of table tennis balls would cover the Earth. Assume the space between balls adds an extra 25.0% to their volume and assume they are not crushed by their own weight. The radius of Earth is 6.376 × 106 m.arrow_forwardAn air bubble originating from an under- water diver has a radius of 8 mm at some depth h. When the bubble reaches the surface of the water, it has a radius of 10.6 mm. The acceleration of gravity is 9.8 m/s². Assuming the temperature of the air in the bubble remains constant, determine the depth of the diver. Answer in units of m. Question 11, chap 119, sect 7. part 2 of 2 10 points Determine the absolute pressure at this depth. Answer in units of kPa.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegePhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning