Determine the size of the heavy particle using the simulation tools and then relate molecule size to something you are familiar with. A common way to relate two things is to say something like: 1000 particles of sand fit in the palm of your hand. Show your calculations with the units clearly labeled.

Question

Chemistry

Sharon Fleming

20 January, 11:23

Determine the size of the heavy particle using the simulation tools and then relate molecule size to something you are familiar with. A common way to relate two things is to say something like: 1000 particles of sand fit in the palm of your hand. Show your calculations with the units clearly labeled.

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Cara · Answer 1

This can be determined in as represented in the three (3) steps below.

1. Movement of heavy and light particles

Note that both the particles are trying to occupy the maximum room, by having constant elastic collision with the boundary and each other, thereby following brownian motion

Also note that heavy particles travel slowly and lighter ones travel faster

Increasing temperature will increase the speed of the particles in the chamber and will also increase the pressure inside the chamber

Hence, ideal gas mixtures occur following ideal gas laws, like a mixture of CO₂ (heavy gas) with H₂ (lighter gas)

2. Measuring the length of the chamber by ruler, we have l = 6.6 mm

time taken by heavy molecule at 570 k, t = 11.63*10⁻¹² s [ using stop watch]

so, speed of molecule = 567.49 m/s

3. Therefore, at 2.8 atm pressure, 277 K temperature, 989 heavy particles of gas are there

This is gotten as the relative size of the molecules