**Educational Website - Physics Section**### Question on Average Kinetic Energy of Oxygen Molecules#### Multiple Choice Question:**What is the average kinetic energy of a molecule of oxygen gas (O₂) at a temperature of -25°C?**##### Options:- A. 5.061E-21 J- B. 5.137E-21 J- C. 4.368E-21 J- D. 6.398E-21 J- E. 5.041E-21 J- F. 5.862E-21 J#### Explanation:The question seeks to determine the average kinetic energy of an oxygen molecule at a given temperature (-25°C). The kinetic energy \(E\) of a gas molecule at temperature \(T\) can be determined using the formula:\[ E = \frac{3}{2} k_B T \]Where:- \( k_B \) is the Boltzmann constant \((1.38 \times 10^{-23} \text{ J/K})\)- \( T \) is the temperature in KelvinFirst, convert the temperature from Celsius to Kelvin:\[ T(K) = T(°C) + 273.15 \]\[ T = -25 + 273.15 = 248.15 \text{K} \]Now, use the formula to calculate the average kinetic energy:\[ E = \frac{3}{2} \times 1.38 \times 10^{-23} \text{ J/K} \times 248.15 \text{K} \]Selecting the correct value from the provided options ensures a fundamental understanding of thermodynamic principles applied to molecular motion.#### Diagram Analysis:The diagram shows a block containing information about the oxygen molecule:- The symbol \( \mathrm{O} \)- Atomic number \( 8 \)- Atomic mass \( 16.00 \)This visual aids in confirming the properties of the oxygen molecule for the given problem.

Given: The temperature of the O2 is -25oC.

Answered: I 1--1 What is the average kinetic…

I 1--1 What is the average kinetic energy of a molecule of oxygen gas (0₂) at 8 O 16.00 3. 5.061E-21 J D. 6.398E-21 J 5.041E-21 J 5.137E-21 J E. 4.368E-21 J F. 5.862E-21 J A. B. C. 1--1

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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First law of Thermodynamics

The word thermodynamics consists of two words: thermo- and dynamics. Dynamics means the study of motion. The field of thermodynamics is all about the study of the movement of heat. In a more meaningful way, it is stated as the study of the transfer of energy. Energy transfer is something that we encounter in day-to-day life. Automobiles, chemical reactions, refrigerators, and power generators work on the basis of thermodynamic principles.

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