Respuesta :

Answer:

The temperature of the molecule will be increased by a factor of 9

Explanation:

The relationship between the temperature and the rms speed of a gas is given by

Vrms=√(3RT/MM)

Where R = Universal gas constant

T = Absolute temperature of the gas in kelvin

MM = Molar mass of the gas

Since from the question, only the rms speed and the temperature are said to change, the term 3R/MM can be represented by a constant k. The relationship then becomes Vrms=√kT  

At the intitial speed, temperature = T1

Vrms=√(kT1 )     (1)

When the speed is increased by a factor of 3, the relationship becomes

(3V)rms=√(kT2 )     (2)

Dividing equation (2) by equation (1)

(3V)rms/Vrms =√(kT2 )/√(kT1 )

3=√(T2/T1 )

T2/T1 =9

The temperature of the molecule will be increased by a factor of 9

The temperature of the molecule will be increased by a factor of 9  

The relationship between the temperature and the rms speed of a gas is given by

[tex]V_{rms}=\sqrt{(3RT/M)}[/tex]

where R = Universal gas constant

T = Absolute temperature of the gas in kelvin

M = Molar mass of the gas

Since from the question, only the rms speed and the temperature are said to change, the term 3R/M can be represented by a constant k. The relationship then becomes

[tex]V_{rms}=\sqrt{kT }[/tex]

At the initial speed, temperature = T₁

[tex]V_{rms}=\sqrt{(kT_1 ) }[/tex] ............(i)

When the speed is increased by a factor of 3, the relationship becomes

[tex](3)V_{rms}=\sqrt{(kT_2)}[/tex]..................(ii)

Dividing equation (ii) by equation (i)

[tex]\frac{ (3)V_{rms}}{V_{rms}} =\frac{\sqrt{(kT_2)} }{\sqrt{(kT_1 )} }\\\\3=\frac{\sqrt{(T_2)} }{\sqrt{(T_1 )} }\\\\\frac{T_2}{T_1} =9[/tex]  

The temperature of the molecule will be increased by a factor of 9

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