EBK PHYSICS
5th Edition
ISBN: 8220103026918
Author: Walker
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 12PCE
Predict/Calculate A bicycle tire with a volume of 0.00212 m3 is filled to its recommended absolute pressure of 495 kPa on a cold winter day when the tire’s temperature is −15 °C. The cyclist then brings his bicycle into a hot laundry room at 32 °C. (a) If the tire warms up while its volume remains constant, will the pressure increase be greater than, less than, or equal to the manufacturer’s stated 10% overpressure limit? (b) Find the absolute pressure in the tire when it warms to 32 °C at constant volume.
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Students have asked these similar questions
Suppose a gas-filled incandescent light bulb is manufactured so that the gas inside the bulb is at atmospheric pressure
(1 atm = 1.013 x 10° Pa) when the bulb has a temperature of 20.0 °C. Find the gauge pressure inside such a bulb when it is hot,
assuming its average hot temperature is 65.0 °C.
gauge pressure when hot:
Pa
The actual final pressure of the light bulb will be different than calculated in the first question because the glass bulb will expand.
What will the final actual gauge pressure be, taking this into account? The volume expansion coefficient for glass is
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final gauge pressure, accounting for glass expansion:
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assuming its average hot temperature is 65.0 °C.
gauge pressure when hot:
Pa
The actual final pressure of the light bulb will be different than calculated in the first question because the glass bulb will expand.
What will the final actual gauge pressure be, taking this into account? The volume expansion coefficient for glass is
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final gauge pressure, accounting for glass expansion:
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Question Credit: OpenStax College Physics
29) 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).
Chapter 17 Solutions
EBK PHYSICS
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