Important values if needed for this question. Compute the root-mean-square speed of H₂ molecules in a sample of hydrogen gas at a temperature of 37°C. ms-1 Submit Answer Retry Entire Group 8 more group attempts remaining
Important values if needed for this question. Compute the root-mean-square speed of H₂ molecules in a sample of hydrogen gas at a temperature of 37°C. ms-1 Submit Answer Retry Entire Group 8 more group attempts remaining
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Compute the root-mean-square speed of H₂ molecules in a sample of hydrogen gas at a temperature of 37°C.
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Transcribed Image Text:Compute the root-mean-square speed of He molecules in a sample of helium gas at a temperature of 137°C.
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Expert Solution
Step 1: Short note on Root mean square speed (vrms)
Root mean square speed (vrms)
The root mean square speed of a molecule can be determined by using the formula
vrms = √(3RT/M) -----------(I)
Where,
vrms = Root mean square speed of a molecule
R = universal gas constant = 8.314 J/(mol.K)
T = temperature (in K)
M = molecular mass (in kg/mol)
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