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Standard XII

Chemistry

Ideal Gas Equation

Select the co...

Question

Select the correct statement. In the gas equation, $P V = n R T$ ?

n

is the number of molecules of a gas

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n

moles of the gas have a volume

V

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V

denotes volume of one mole of the gas

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P

is the pressure of the gas when only one mole of a gas is present

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Solution

The correct option is A $n$ moles of the gas have a volume $V$
In the gas equation $P V = n R T$ ,
$n$ is the number of moles of gas.
The volume $(V)$ occupied by $n$ moles of any gas has pressure $(P)$ at temperature $(T)$ .

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Similar questions

Q. For n moles of gas Vander waal's equation is

(P - \frac{a}{V^{2}}) (V - b) = n R T

Find the dimensions of a and b, where P is gas pressure, V = volume of gas T = temperature of gas

Q. The gas equation for

n

moles of a real gas is

(P + \frac{a}{V^{2}}) (V - b) = n R T

, where

P

is the pressure,

V

is the volume,

T

is the absolute temperature,

R

is the molar gas constant and

a, b

are arbitrary constants. Which of the following have the same dimensions as those of

P V

Q. Pressure of gas is given by

P = \frac{n R T}{V} e^{- \frac{\propto}{R T V}}

where, T =temperature, V =volume, R =universal gas constant and n =number of moles. The dimensions of

\propto

are

Q. The vander Waal's equation of a gas is

(P + \frac{a}{V^{2}}) (V - b) = n R T

where

P, V, R, T

and

n

represent the pressure, volume, universal gas constant, absolute temperature and number of moles of a gas respectively,

a

and

b

are constants. The ratio

\frac{b}{a}

will have the following dimensional formula.

Q. The density of a gas is equal to:

(

P =

pressure,

V =

volume,

T =

temperature,

R =

gas constant,

n =

number of moles and

M =

molecular weight).

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Select the correct statement. In the gas equation, PV=nRT?

The correct option is A n moles of the gas have a volume VIn the gas equation PV=nRT,n is the number of moles of gas. The volume (V) occupied by n moles of any gas has pressure (P) at temperature (T).

Select the correct statement. In the gas equation, $P V = n R T$ ?

The correct option is A $n$ moles of the gas have a volume $V$
In the gas equation $P V = n R T$ ,
$n$ is the number of moles of gas.
The volume $(V)$ occupied by $n$ moles of any gas has pressure $(P)$ at temperature $(T)$ .