The graph at the right shows a Maxwell speed distribution for nitrogen molecules

Question

The graph at the right shows a Maxwell speed distribution for nitrogen molecules. Let Vrmsthe "rms" speed, Vave - the average speed, Vmp the most probable speed Map 0.002 note: kB = 1.381 x 10-23 JK take: m = 4.65x10-26 kg N2 molecules T= 295 K Answer the three questions below, using three significant digits. E, 0.001 Part A: Which of the following are true regarding Vrms, Vave and Vmp? Vmp has the greatest value Vave has the greatest value Vrms has the greatest value Actially, none of these are true 400 800 200 v (m/s) Part B: Which value corresponds to the peak in the speed distribution? Vave Vrms None of these

Explanation / Answer

Vrms = sqrt(3KT/m)

Vrms = Vmax/sqrt2

Vavg = Vmax/2

so
amonrh these Vmp has max value

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NOne odf these its Vmax has peak value

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