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maria [59]
3 years ago
6

A sealed box contains a monatomic ideal gas. The number of gas atoms per unit volume is 5.00 * 1020 atoms>cm3, and the averag

e translational kinetic energy of each atom is 1.80 * 10-23 J. (a) What is the gas pressure?
Physics
1 answer:
Veronika [31]3 years ago
6 0

Answer:

Pressure,P=6×10^3Pa

Explanation:

The gas has an ideal gas behaviour and ideal gas equation

PV=NKT

T= V/N p/K ...eq1

Average transitional kinetic energy Ktr=1.8×10-23J

Ktr=3/2KT

T=2/3Ktr/K....eq2

Equating eq1 and 2

V/N p/K = 2/3Ktr/K

Cancelling K on both sides

P= 2/3N/V( Ktr)

Substituting the value of N/V and dividing by 10^-6 to convert cm^3 to m^3

P = 2/3 (5.0×10^20)/10^-6 × 1.8×10^-23

P= 6 ×10^3Pa

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Explanation:

The change in momentum of an object is given by

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where

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In this problem, we have:

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Therefore, the change in momentum is

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3 years ago
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This type of system is an example of open system because the vapors leave the system and goes into the atmosphere.

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So we can conclude that this type of system is an example of open system because the vapors leave the system and goes into the atmosphere.

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<em><u>your </u></em><em><u>question</u></em><em><u>:</u></em><em><u> </u></em>

<em>What are the two types of physical fitness?</em>

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Мета: :
Ierofanga [76]
I can’t answer this
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