The relationship observed between the average molecular speed (v) and the molar mass (M) of the gas is ----
v= (8RT/M)1/2
so, the average molecular speed increases as the molar mass of the gas decreases.
avg. molecular speed of Ar at 27o C = [{8 * 8.314 * (27+300)}/ * 0.04]1/2 m/s
= 398.48 m/s
> Question 9 of 10 The graph shows the average molecular speed of four gases a...
The 4 curves in the graph below represent the distribution of molecular speed for 4 different gases the same temperature. The four gases are argon (Ar), oxygen (O2), hydrogen (H2) and carbon dioxide (CO2). Identify which curve belongs to which gas. Number of molecules 1000 1500 molecular speed (m/s) red [Choose] blue [Choose] green [Choose] black [Choose]
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some context Problem 3: Use simple kinetic theory of gases discussed in section 1.3.2 as well as Fourer's law of condustion to prove: 2 R373 D11 = 3113/202pm Dal We were unable to transcribe this imageof a nes. the xed the led negligible The following assumptions about the structure of the cases are made in order to investigate the statistical rules of the random motion of the molecules: The size of the gas molecules is negligible compared with the distance...
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