MODERN PHYSICS (LOOSELEAF)
4th Edition
ISBN: 9781119495550
Author: Krane
Publisher: WILEY
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Chapter 10, Problem 4Q
How would Figure 10.13 change if the temperature of the gas were increased?
FIGURE 10.13 The Maxwell velocity distribution for gas molecules. The distribution is centered on vx = 0. The shaded strip represents the number of molecules with velocity components between vx and vx + dvx.
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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
Eleven molecules have speeds 16, 17, 18, 19,20,21,22,23,24,25, 26 m/s. Calculate the
root-mean-square of this group of molecules. in meters per second. Please give your
answer with one decimal place.
Const
Express your answers using two significant figures separated by comma.
Vz avg, Vy avg = 0,0 m/s
The molecules in a six-particle gas have velocities
v1 = (20i – 30j) m/s
v2 = (50i + 907) m/s
Submit
Previous Answers
v3 = (-90i + 20j) m/s
v4 = 30i m/s
vs = (40i – 40j) m/s
v1 = (-50; – 403) m/s
v Correct
Part B
Calculate vavg
Express your answer to two significant figures and include the appropriate units.
HA
m
Vavg = 0
S
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Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
Part C
Calculate vrms
Express your answer to two significant figures and include the appropriate units.
Vrms = 69 "
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Chapter 10 Solutions
MODERN PHYSICS (LOOSELEAF)
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