A cubic metre of dry air at NTP is allow...

A cubic metre of dry air at NTP is allowed to expand to 5 cubic metres (i) isothermally, (ii) adiabatically. Calculate in each cae, the pressure, temperature and work done. (`gamma=1.4` and `1 atm=1.013xx10^(5)Nm^(-2)`)

Text Solution

Verified by Experts

The correct Answer is:

(i)1/5 atm or `2.03xx10^4 Nm^(-2) , 0^@C` and `3.6xx10^3` ,(ii)`1.064xx10^4 Nm^(-2), -129.6^@C` and `120xx10^3` J

Topper's Solved these Questions

THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES
PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 3.1|6 Videos
THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES
PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 3.3|10 Videos
THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES
PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs with One or More Options Correct|10 Videos
PHOTOELECTRIC EFFECT AND MATTER WAVES
PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved numerical problems|42 Videos
WAVE OPTICS
PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems|28 Videos

Similar Questions

Explore conceptually related problems

A certain volume of dry air at NTP is expanded reversible to four times its volume (a) isothermally (b) adiabatically. Calculate the final pressure and temperature in each case, assuming ideal behaviour. ( (C_(P))/(C_(V)) for air=1.4)

A certain volume of dry air at 20^(@)C is expanded to there times its volume (i) slowly, (ii) suddenly. Calculate the final pressure and temperature in eachh case. Atmospheric pressure =10^(5)Nm^(-2), gamma of air =1.4

1 mole of a ideal gas at 25^(@)C is allowed to expand reversibly and isothermally from 5 atm to 1 atm at 25^(@)C .

50g of oxygen at NTP is compressed adiabatically to a pressure of 5 atmosphere. The work done on the gas, if gamma =1.4 and R = 8.31 J mol^(-1)K^(-1) is

An ideal gas at pressure 4 xx 10^(5)Pa and temperature 400K occupies 100cc . It is adiabatically expanded to double of its original volume. Calculate (a) the final pressure (b) final temperature and (c ) work done by the gas in the process (gamma = 1.5)

Air is expanded from 50 litres to 150 litres at 2 atomospheric pressure . The external work done is (Give , 1 atm= 10^(5)N^(-)2)

1mol of an ideal gas at 400K and 10atm is allowed to expand, adiabatically, against 2.0atm external pressure. Find the final temperature of the gas. [Use: C_(v) = (5)/(2)R]

One cubic metre of argon at 27^(@)C is adiabatically compressed so that the final temperature is 127^(@)C . Calculate the new volume of the gas (gamma=5//3) .

PHYSICS GALAXY - ASHISH ARORA-THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES -Unsolved Numerical Problems

As a result of heating a mole of an ideal gas at constant pressure by ...
Text Solution
|
A gas at constant pressure P1, volume V1 and temperture T1 is suddenl...
Text Solution
|
A cubic metre of dry air at NTP is allowed to expand to 5 cubic metres...
Text Solution
|
A thermally insulated vessel with gaseous nitrogen at a temperature of...
Text Solution
|
As a result of the isobaric heating by DeltaT=72 K one mole of a cert...
Text Solution
|
What amount of heat is to be transferred to nitrogen in an isobaric he...
Text Solution
|
Five moles of neon gas (molecular weight=20) at 2 atm and 27^@C is adi...
Text Solution
|
Calculate the change in temperature when a gas (gamma= 1.4) is suddenl...
Text Solution
|
One mole of oxygen being initially at a temperature T0 = 290 K is adia...
Text Solution
|
One mole of oxygen being initially at a temperature T0 = 290 K is adia...
Text Solution
|
Find the ratio of number of moles of a monoatomic and a diatomic gas w...
Text Solution
|
A gas is enclosed in a cylindrical vessel fitted with a frictionless p...
Text Solution
|
One cubic metre of hydrogen at 0^(@)C and 76cm and of Hg weighs 0.0896...
Text Solution
|
A gass of given mass at a pressure of 10^(5)Nm^(-2) expands isothermal...
Text Solution
|
A vessel containing one gram-mole of oxygen is enclosed in a thermally...
Text Solution
|
An ideal gas with the adiabatic exponent gamma undergoes a process in ...
Text Solution
|
An ideal gas with the adiabatic exponent gamma undergoes a process in ...
Text Solution
|
Two moles of an ideal gas at temperature T(0) = 300 K was cooled isoch...
Text Solution
|
Suppose that 5 g of helium gas is heated from -30^@C to 120^@C. Find i...
Text Solution
|
10 gm of oxygen at a pressure 3 xx 10^5 N//m^2 and temperature 10^@C i...
Text Solution
|