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A gas spreads out to occupy all availabl...

A gas spreads out to occupy all available space.

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Give an example where the characteristic of gases to occupy all available space is useful to us.

Packing refers to the arrangement of constituent units in such a way that the forces of attraction among the constituent particles is the maximum and the contituents occupy the maximum available space. In two dimensions, there are hexagonal close packing and cubic close packing. In three dimentions, there are hexagonal, cubic as well as body centred close packings. The empty space left in ccp packing is:

Packing refers to the arrangement of constituent units in such a way that the forces of attraction among the constituent particles is the maximum and the contituents occupy the maximum available space. In two dimensions, there are hexagonal close packing and cubic close packing. In three dimentions, there are hexagonal, cubic as well as body centred close packings. A certain oxide of a metal M crystallises in such a way that O^(2-) ions occupy hcp arrangement following ABAB... pattern. The metal ions however occupy 2//3 rd of the octahedral voids. The formula of the compound is :

Which of the following statements is/are correct about hexagonal close packing ? 1. The coordination number is 8 2. It is ABAB type packing in which third layer is aligned with the first layer 3. Be, Mg, Mo etc. are found to have hcp structure 4. In hcp, atoms occupy 74% of the available space

It is known fact that gases expand to fill all available volume and their final pressure becomes equal at every point in connected systeam. in the given arrangement, temperature is maintained constant and the knob is opened. After the gas spreads in the second chamber also, the pressure will be:

0.30 g of gas was found to occupy a volume of 82.0 mL at 27^(@)C and 3 atm. Pressure. The molecular mass of the gas is

Why do the gases occupy that entire space available to them ?

There are enough available spaces on a school team to select at most (1)/(3) of 50 students trying out for the team. What is the greatest number of students that could be rejected while still filling all available spaces for the team?

Statement-1: Inter-stitial carbides are formed when heavy metals react chemically with C(gas). Statement-2: In such carbides 'C' occupy voids available in heavy metals.

An ionic compound is made up of A & B only. lons A occupy all the corners and alternate edge centers while atoms B occupy all the face centers. The formula of compound will be