Find the average velocity of the molecules of neon before an

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Homework Help Overview

The discussion revolves around calculating the average velocity of neon gas molecules when the temperature of the gas is increased from 273 K to 373 K while keeping the volume constant. The problem involves concepts from thermodynamics and kinetic theory.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss the relationship between internal energy and temperature, with one participant attempting to use the formula U=3/2vRT. Questions arise regarding the calculation of ΔU and ΔQ, as well as how to relate molecular speed to temperature.

Discussion Status

The discussion is ongoing, with participants exploring different aspects of the problem. Some guidance has been offered regarding the relationship between energy and temperature, but no consensus has been reached on how to proceed with the calculations.

Contextual Notes

Participants are working under the constraints of a homework assignment, which may limit the information available for solving the problem. There is an emphasis on understanding the underlying principles rather than arriving at a final answer.

MaiteB
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Homework Statement


A container has neon gas in the temperature 273 K. We heat the container to the temperature 373 k, keeping the volume constant. Find the average velocity of the molecules of neon before and after the heat.

Homework Equations



U=3/2vRT

The Attempt at a Solution


I thought to us the formula U=3/2vRT but I don't have delta U.
 
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ΔU = ΔQ + ΔW, since no work was done by/to the system then ΔW = 0, and you're left with ΔU = ΔQ !
Hope this help :) !
 
Noctisdark said:
ΔU = ΔQ + ΔW, since no work was done by/to the system then ΔW = 0, and you're left with ΔU = ΔQ !
Hope this help :) !
How can I find the ΔQ?
 
Energy (U) is proportional to temperature (T). How do you relative speed (v) and temperature (T)? Hint: What form of energy do the molecules possess?
 

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