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Significance and Applications of Gas Laws

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For a closed (non rigid ) container containing n = 10 moles of an ideal gas fitted with movable , frictionless , weightless piston operating such that pressure of gas remains constant at 0.821 atm . Draw graph representing correct variation of log V Versus log T where V is in litre and T is in Kelvin .

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Q. For a closed (non rigid) container containing

n = 10 moles

of an ideal gas fitted with movable, frictionless, weightless piston operating such that pressure of gas remains constant at

0.821 atm

, which graph represents correct variation of

log V vs log T

V

is in litre and

T

Q. A gas present in a container connected to frictionless, weightless piston operating always at one-atmosphere pressure such that it permits the flow of gas outside (with no adding of gas). The graph of n vs T(Kelvin) was plotted & was found to be a straight line with co-ordinates of extreme points as (300, 2) & (200,3). Calculate :

(i) relationship between n & T
(ii) relationship between V & T
(iii) Maxima or minima value of 'V'

Q. A gas present in a container connected to frictionless, weightless piston operating always at the one-atmosphere pressure such that it permits flow of gas outside (with no adding of gas.) The graph of n Vs T (Kelvin) was plotted & was found to be a straight line with coordinates of extreme points as (300,2) & (200,3). Find out the (i) relationship between n & T (ii) relationship between V&T (iii)Maximum or minimum value of 'V':

Q. To an evacuated vessel with a movable piston under a total pressure of 1 atm, 0.1 mol of He and an unknown compound (vapour pressure 0.68 atm at 0

^{o}

C) are introduced. Considering the ideal gas behaviour, the total volume (in litre) of the gases at 0

^{o}

20

litre of an ideal gas, present in a piston fitted cylinder at

10

atm is allowed to expand in a process in which

P / V

is a constant. If final volume of gas is

60

litre, then work done by gas is:

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Significance and Applications of Gas Laws

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