# What is the relation between pressure, volume and temperature in gases?

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#### rameshbabu

##### Member level 2
what is the relation between pressure, volume and temperature in gases.

Basic concepts

P=V*n*R*T

#### A.Anand Srinivasan

##### Advanced Member level 5
Re: Basic concepts

rikie_rizza said:
P=V*n*R*T
dude it is PV=nRT....

#### subharpe

##### Full Member level 4
Re: Basic concepts

This is true for ideal gasses. not for the gasses come accross. A better solution taking the air molecules as finite size is given by Vander Waal eqn:

(P + na/V²)(V - nb) = nRT for n mole of gas. a,b are called Van Dar Waals constants. They are different for different gasses. This equation is not emperical, rather thermodynacially proven.

Basic concepts

PV=nRT

#### cna1_10

##### Newbie level 4
Re: Basic concepts

Yes
PV=nRT is Correct

#### krithika krishnan

##### Newbie level 2
Re: Basic concepts

ya it is PV=nRT

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