EBK PHYSICAL CHEMISTRY
2nd Edition
ISBN: 8220100477560
Author: Ball
Publisher: Cengage Learning US
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Chapter 1, Problem 1.18E
Scottish physicist W. J. M. Rankine proposed an absolute temperature scale based on the Fahrenheit degree, now called degree Rankine (abbreviated R) and used by some engineering fields. If a degree Rankine is 5/9 of a degree Kelvin, what is the value of the ideal
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A cylinder is filled with 10.0 L of gas and a piston is put into it. The initial pressure of the gas is measured to be 113. kPa.
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The average kinetic energy of the molecules in a gas sample depends only on the temperature, ?.
However, given the same kinetic energies, a lighter molecule will move faster than a heavier molecule, as shown in the equation for rms speed
rms speed=3??ℳ‾‾‾‾‾√
where ?=8.314 J/(mol⋅K)
and ℳ
is molar mass in kilograms per mole. Note that a joule is the same as a kilogram‑meter squared per second squared (kg·m2/s2).
What is the rms speed of N2
molecules at 345 K?
Chapter 1 Solutions
EBK PHYSICAL CHEMISTRY
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