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Solved: At a temperature of 27.0°what is the speed of
Chapter 16, Problem 8E(choose chapter or problem)
At a temperature of \(27.0^{\circ} \mathrm{C}\), what is the speed of longitudinal waves in (a) hydrogen (molar mass 2.02 \(\mathrm{g} / \mathrm{mol}\)); (b) helium (molar mass 4.00 \(\mathrm{g} / \mathrm{mol}\)); (c) argon (molar mass 39.9 \(\mathrm{g} / \mathrm{mol}\))? See Table for values of \(\gamma\). (d) Compare your answers for parts (a), (b), and (c) with the speed in air at the same temperature.
Equation Transcription:
Text Transcription:
degC
g/mol
g/mol
g/mol
gamma
Questions & Answers
QUESTION:
At a temperature of \(27.0^{\circ} \mathrm{C}\), what is the speed of longitudinal waves in (a) hydrogen (molar mass 2.02 \(\mathrm{g} / \mathrm{mol}\)); (b) helium (molar mass 4.00 \(\mathrm{g} / \mathrm{mol}\)); (c) argon (molar mass 39.9 \(\mathrm{g} / \mathrm{mol}\))? See Table for values of \(\gamma\). (d) Compare your answers for parts (a), (b), and (c) with the speed in air at the same temperature.
Equation Transcription:
Text Transcription:
degC
g/mol
g/mol
g/mol
gamma
ANSWER:
Solution 8E
Given temperature,
Speed of a longitudinal wave in a gas is given by,
…..(1), here
ratio of specific heats,
universal gas constant, T= temperature in absolute scale and
Molar mass.
(a) For hydrogen (),
,
Therefore, from equati