Physics (5th Edition)
5th Edition
ISBN: 9780321976444
Author: James S. Walker
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 17, Problem 14PCE
(a)
To determine
The number of molecules per volume in the Martian atmosphere.
(b)
To determine
Whether the number of molecules per volume on the earth is greater than, less than or equal to the number of molecules per volume on mars.
(c)
To determine
The number of molecules per volume in earth’s atmosphere.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Estimate 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 10¹3
Problem 5: Any ideal gas at standard temperature and pressure (STP) has a number density (atoms per unit volume) of p = N/V = 2.68 × 1025 m²3.
How many atoms are there in 11 cubic micrometers, at STP?
N =|
atoms
00
QUESTION 3
If the molecules in a gas are nitrogen (N2) molecules, calculate their root mean squared (RMS) speed, (), in m/s when T= 300 K. Do not include units in your answer.
-27
Hint: You will need to calculate the mass of the nitrogen molecule, which is its atomic mass number multiplied by the atomic mass unit (1 amu = 1.66 x 102I kg).
Write your answer in normal form as described in the instructions to the worksheet
cick Save and Submit to save and submit. Click Save All Answers to save all answerS.
O Type here to search
hp
米
%23
2.
3.
4.
5.
Chapter 17 Solutions
Physics (5th Edition)
Ch. 17.1 - Rank the following ideal-gas systems in order of...Ch. 17.2 - If the Kelvin temperature of a gas is doubled, by...Ch. 17.3 - A metal rod of a given initial length and...Ch. 17.4 - A portion of a substances phase diagram is shown...Ch. 17.5 - Which requires more heat: melting 100 kg of copper...Ch. 17.6 - An ice cube is placed in a cup of water. A few...Ch. 17 - How is the air pressure in a tightly sealed house...Ch. 17 - The average speed of air molecules in your room is...Ch. 17 - Is it possible to change both the pressure and the...Ch. 17 - Prob. 4CQ
Ch. 17 - A camping stove just barely boils water on a...Ch. 17 - An autoclave is a device used to sterilize medical...Ch. 17 - As the temperature of ice is increased, it changes...Ch. 17 - BIO Isopropyl alcohol is sometimes rubbed onto a...Ch. 17 - A drop of water on a kitchen counter evaporates in...Ch. 17 - (a) Is the number of molecules in one mole of N2...Ch. 17 - Predict/Explain If you put a helium-filled balloon...Ch. 17 - Two containers hold ideal gases at the same...Ch. 17 - Prob. 4PCECh. 17 - BIO After emptying her lungs, a person inhales 4.3...Ch. 17 - An automobile tire has a volume of 0.0185 m3. At a...Ch. 17 - Prob. 7PCECh. 17 - A compressed-air tank holds 0.500 m3 of air at a...Ch. 17 - Four ideal gases have the following pressures, P,...Ch. 17 - A balloon contains 3.9 liters of nitrogen gas at a...Ch. 17 - Prob. 11PCECh. 17 - Predict/Calculate A bicycle tire with a volume of...Ch. 17 - A 515-cm3 flask contains 0.460 g of a gas at a...Ch. 17 - Prob. 14PCECh. 17 - The air inside a hot-air balloon has an average...Ch. 17 - Prob. 16PCECh. 17 - Consider the system described in the previous...Ch. 17 - Prob. 18PCECh. 17 - Prob. 19PCECh. 17 - If the translational speed of molecules in an...Ch. 17 - At what temperature is the rms speed of H2 equal...Ch. 17 - Suppose a planet has an atmosphere of pure ammonia...Ch. 17 - Prob. 23PCECh. 17 - Prob. 24PCECh. 17 - Prob. 25PCECh. 17 - What is the temperature of a gas of CO2 molecules...Ch. 17 - The rms speed of a sample of gas is increased by...Ch. 17 - Prob. 28PCECh. 17 - A 380-mL spherical flask contains 0.065 mol of an...Ch. 17 - Prob. 30PCECh. 17 - A rock climber hangs freely from a nylon rope that...Ch. 17 - BIO To stretch a relaxed biceps muscle 2.5 cm...Ch. 17 - A 22-kg chimpanzee hangs from the end of a...Ch. 17 - The Marianas Trench The deepest place in all the...Ch. 17 - Four cylindrical rods with various cross-sectional...Ch. 17 - Predict/Calculate A steel wire 4.1 m long...Ch. 17 - BIO Spiderweb An orb weaver spider with a mass of...Ch. 17 - Predict/Calculate Two rods of equal length (0.55...Ch. 17 - A piano wire 0.82 m long and 0.93 mm in diameter...Ch. 17 - The formation of ice from water is accompanied by...Ch. 17 - Vapor Pressure for Water Figure 17-35 shows a...Ch. 17 - Using the vapor-pressure curve given in Figure...Ch. 17 - Prob. 43PCECh. 17 - Prob. 44PCECh. 17 - Predict/Calculate The Vapor Pressure of CO2 A...Ch. 17 - Phase Diagram for Water The phase diagram for...Ch. 17 - Phase Diagram for CO2 The phase diagram for CO2 is...Ch. 17 - Prob. 48PCECh. 17 - How much heat must be removed from 1.96 kg of...Ch. 17 - A heat transfer of 9.5 105 J is required to...Ch. 17 - How much heat must be added to 2.55 kg of copper...Ch. 17 - An ammonia refrigeration cycle involves the...Ch. 17 - Prob. 53PCECh. 17 - Prob. 54PCECh. 17 - Prob. 55PCECh. 17 - Figure 17-30 shows a temperature-versus-heat plot...Ch. 17 - Predict/Calculate Suppose the 1.000 kg of water in...Ch. 17 - Prob. 58PCECh. 17 - When you go out to your car one cold winter...Ch. 17 - A large punch bowl holds 3.99 kg of lemonade...Ch. 17 - A 155-g aluminum cylinder is removed from a liquid...Ch. 17 - An 825-g iron block is heated to 352 C and placed...Ch. 17 - Party Planning You are expecting to serve 32 cups...Ch. 17 - Predict/Calculate A 35-g ice cube at 0.0 C is...Ch. 17 - A 48-g block of copper at 12 C is added to 110 g...Ch. 17 - A 0 075-kg ice cube at 0.0 C is dropped into a...Ch. 17 - To help keep her barn warm on cold days, a farmer...Ch. 17 - CE As you go up in attitude, do you expect the...Ch. 17 - Prob. 69GPCh. 17 - Prob. 70GPCh. 17 - Prob. 71GPCh. 17 - Cooling Computers Researchers are developing heat...Ch. 17 - Prob. 73GPCh. 17 - Prob. 74GPCh. 17 - Evaporating Atmosphere Hydrogen gas evaporates...Ch. 17 - Prob. 76GPCh. 17 - A Boiling Geyser (a) The column of water that...Ch. 17 - A Melting Glacier (a) A glacier is made of ice of...Ch. 17 - Peter catches a 4 2-kg striped bass on a fishing...Ch. 17 - A steel ball (density=7860kg/m3) with a diameter...Ch. 17 - A lead brick with the dimensions shown in Figure...Ch. 17 - (a) Find the amount of heat that must be extracted...Ch. 17 - Mighty Ice Lift A tremendous force is generated...Ch. 17 - Orthopedic Implants Metals such as titanium and...Ch. 17 - Students on a spring break picnic bring a cooler...Ch. 17 - A 5.9-kg block of ice at 1.5 C slides on a...Ch. 17 - A cylindrical copper rod 37 cm long and 7.5 cm in...Ch. 17 - Prob. 88PPCh. 17 - Prob. 89PPCh. 17 - Prob. 90PPCh. 17 - Prob. 91PPCh. 17 - Referring to Example 17-17 (a) Find the final...Ch. 17 - Referring to Example 17-17 (a) Find the final...
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
- (a) What is the order of magnitude of the number of micro organisms in the human intestinal tract? A typical bacterial length scale is 106 m. Estimate the intestinal volume and assume 1% of it is occupied by bacteria. (b) Does the number of bacteria suggest whether the bacteria are beneficial, dangerous, or neutral for the human body? What functions could they serve?arrow_forwardFor each of the following scenarios, refer to Figure 1.4 and Table 1.2 to determine which metric prefix on the meter is most appropriate for each of the following scenarios. (a) You want to tabulate the mean distance from the Sun for each planet in the solar system. (b) You want to compare the sizes of some common viruses to design a mechanical filter capable of blocking the pathogenic ones. (c) You want to list the diameters of all the elements on the periodic table. (d) You want to list the distances to all the stars that have now received any radio broadcasts sent from Earth 10 years ago. 1.2 Units and Standardsarrow_forwardAvagadro's number (6.023 × 1023) is a pure (unitless) number which serves as a good standard for measuring the number of molecules in ideal gases at STP. A)What is the volume, in cubic kilometers, of Avogadro’s number of sand grains, if each grain is a cube with an edge length of 1.3 mm and the cubes are densely packed (with no air between them). B) How long, in kilometers, would a beach have to be for this sand to cover it to a depth of 10.0 m? Assume a beach is 100.0 m wide, and you can neglect the air spaces between the grains.arrow_forward
- Estimate the number of air molecules in an average-sized room.arrow_forwardmol K 1) The Ideal Gas Law, PV = RT, relates the pressure (P, in pascals), temperature (T, in Kelvin), and volume (V, in cubic meters) of 1 mole of a gas (with R = 8.314 as the universal gas constant), and describes the behavior of gases that do not liquefy easily, such as oxygen and hydrogen. We can solve the ideal gas law for volume and hence treat the volume as a function of the pressure and temperature: V(P,T) = 8.314T P 1000 tells us about a key relationship between a) Explain in detail what the trace of V with P two quantities. b) Explain in detail what the trace of V with T = 5 tells us. c) Explain in detail what the level curve V = 0.5 tells us. d) Use 2 or 3 additional traces in each direction to make a rough sketch of the surface over the domain of V where P and T are non-negative. Write at least one sentence that describes the way the surface looks. e) Based on all your work above, write a couple of sentences that describe the effect that temperature and pressure have on…arrow_forwardThe average translational kinetic energy for a molecule (Erans) is given by the following equation: Etrans =mv? Where m is the mass of the molecule and v? is the average of the square of the velocity. Given v2 = 3kT/m where k is the Boltzmann's constant, calculate the ratio of the kinetic energies at 200 °C and 100 °Carrow_forward
- The figure is a histogram showing the speeds of the molecules in a very small gas. (Figure 1) Figure N 4- 3 2 ili. 4 6 8 2 v (m/s) What is the most probable speed? Express your answer with the appropriate units. Value Submit Part B μA Submit Value Part C What is the average speed? Express your answer with the appropriate units. μÅ • Request Answer Value Units μÅ 4 Units Request Answer ? What is the rms speed? Express your answer with the appropriate units. Units ? ?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_forwardWhen air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV14 cubic centimeters and the pressure is 79 kPa and is decreasing at a rate of 7 kPa/minute. At what rate in cubic centimeters per minute is the volume increasing at this instant? C where C is a constant. Suppose that at a certain instant the volume is 410 cm3 min (Pa stands for Pascal -- it is equivalent to one Newton/(meter squared); kPa is a kiloPascal or 1000 Pascals.arrow_forward
- A typical sugar cube has an edge length of 1 cm. If you had a cubical box that contained a mole of sugar cubes, what would its edge length be?arrow_forwardA hollow spherical container has an outer diameter of 10.50 cm. The thickness of the walls is 0.50 cm. The container is filled with water. Water molecules are approximated to be spheres with a diameter of 275 pm. How many water molecules are present inside of the container? Your answer needs to have the correct number of significant figures.arrow_forward• Part A A gas is in a sealed container. By what factor does the gas temperature change if the volume and pressure are both doubled? η ΑΣφ T Submit Request Answer Part B By what factor does the gas temperature change if the volume is halved and the pressure is tripled? ΑΣφ Submit Request Answer IIarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- University Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice UniversityPhysics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning