MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Real Gas Equation

4 g of an ide...

Question

$4 g$ of an ideal gas was introduced into a bulb of volume of \ $0.821 d m^{3}$ at certain pressure, $P$ and temperature The above bulb was placed in a thermostat mentioned at temperature $(T + 125) K$ of $0.8 g$ of the gas was left off to keep the original pressure. Calculate the pressure in atmospheres.[Molecular weight of the gas is $40 g m o l e^{-} I$ and $R$ value is $0.0821 l i t - a t m k^{-} l m o l$ .

Open in App

Solution

As given,
$Initial no.of moles = \frac{4}{40} = 0.1$
$Final no.of moles = \frac{3.2}{40} = 0.08$
Since P and V are constant,
$n_{1} T_{1} = n_{2} T_{2}$
$0.1 T_{1} = 0.08 (T_{1} + 125)$
$T_{1} = 500 K$
From $P V = n R T$
$P = \frac{0.1 \times 0.082 \times 500}{0.821} = 5 a t m$ .

Suggest Corrections

thumbs-up

0

Similar questions

4 g

of an ideal gas was introduced into a bulb of volume of

0.821 {dm}^{3}

at certain pressure,

P

and temperature

T

. The above bulb was placed in a thermostat mentioned at temperature

(T + 125) K

0.8 gm

of the gas was left off to keep the original pressure. Calculate the pressure in atmosphere. [Molecular weight of the gas is

40 {g mole}^{- 1}

R

0.0821 {lit-atm-k}^{- 1} mol

Q. 4 g of an ideal gas was introduced into a bulb of volume of

0.821 {dm}^{3}

at certain pressure, P and temperature T. The above bulb was placed in a thermostat maintained at temperature (T+125)K. 0.8 gm of the gas was leaked to keep the original pressure. Calculate the pressure in atm. [Molar mass of the gas is

40 {gmol}^{- 1}

0.0821 {lit-atm-k}^{- 1} {mol}^{- 1}

3.6 gm of an ideal gas was injected into a bulb of the internal volume of 8 L at pressure P atm and temp T

K. The bulb was then placed in a thermostat maintained at

(T + 15)

K

. 0.6 gm of the gas was let off to keep the original pressure.

Find P and T if the molecular weight of the gas is 44.

Q. 3.6 g of an ideal gas was injected into a bulb of internal volume of 8 L at pressure P atm and temp T K. The bulb was then placed in a thermostat maintained at

(T + 15) K

. 0.6 g of the gas was left off to keep the original pressure. Find T(in K) if mol weight of gas is 44.(If the answer is X, then enter the answer as

\frac{X}{15}

Q. 4 g argon (Atomic mass=40) in a bulb is at a temperature of T K has a pressure P atm. When the bulb was placed in hot bath at a temperature

50^{0} C

more than the first one, 0.8 g of gas had to be removed to get the original pressure. T is equal to :

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Equations Redefined

PHYSICS

Watch in App

explore_more_icon

Explore more

Real Gas Equation

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon