What is the relative humidity on a 30.0 °C day when the air contains 12 g/m³ of water vapor? The vapor pressure of water at 30.0 °C is Py = 4.24 x 103 Pa and the molecular mass of water is M = 18.0 g/mol.

What is the relative humidity on a 30.0 °C day when the air contains 12 g/m³ of water vapor? The vapor pressure of water at 30.0 °C is Py = 4.24 x 103 Pa and the molecular mass of water is M = 18.0 g/mol.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter19: Temperature, Thermal Expansion And Gas Laws

Section: Chapter Questions

Problem 61PQ

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Concept explainers

Maxwell speed distribution

Maxwell-Boltzmann distribution or commonly known as Maxwell speed distribution, explains the division of the energy levels of the molecules of an ideal gas on the basis of the statistical theory. In 1859, Scottish physicist James Clerk Maxwell established the context for the distribution of molecular velocities for random molecules moving in a closed environment. This theory was generalized in 1871 by German physicist Ludwig Boltzmann. He improvised the theory to express the distribution of energy levels among different molecules.

Question

What is the relative humidity on a 30.0 °C day when the air contains 12 g/m³ of water vapor? The vapor pressure of water at
30.0 °C is Py = 4.24 × 10 Pa and the molecular mass of water is M = 18.0 g/mol.
%
relative humidity:

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