Physics-
General
Easy
Question
A mass of diatomic gas(y=1.4) at a pressure of 2 atmospheres is compressed adiabatically so that its temperature rises from 27C to 927C.The pressure of the gas in final state is
- 28atm
- 68.7atm
- 256atm
- 8atm
The correct answer is: 256atm
Related Questions to study
Physics-
A system goes from A to B via two processes I and II as shown in figure .If U1and if U2 are the changes in internal energies in the processes I and II respectively, then the relation between If U1andIf U2is
A system goes from A to B via two processes I and II as shown in figure .If U1and if U2 are the changes in internal energies in the processes I and II respectively, then the relation between If U1andIf U2is
Physics-General
Physics-
A refrigerator works between 4°C and 30°C. It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is: (Take 1 cal =4.2joule)
A refrigerator works between 4°C and 30°C. It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is: (Take 1 cal =4.2joule)
Physics-General
Physics-
An insulated container of gas has two chambers separated by an insulating partition. One of the chambers has volume V1and contains ideal gas at pressure P1 and temperature T1 The other chamber has volume V2 and contains ideal gas at pressure P2 and temperature T2. If the partition is removed without doing any work on the gas, the final equilibrium temperature of the gas in the container will be
An insulated container of gas has two chambers separated by an insulating partition. One of the chambers has volume V1and contains ideal gas at pressure P1 and temperature T1 The other chamber has volume V2 and contains ideal gas at pressure P2 and temperature T2. If the partition is removed without doing any work on the gas, the final equilibrium temperature of the gas in the container will be
Physics-General
Physics-
Carbon monoxide is carried around P K to1000K in going from a to b. The quantity of heat rejected by the gas during the process ca is
Carbon monoxide is carried around P K to1000K in going from a to b. The quantity of heat rejected by the gas during the process ca is
Physics-General
Physics-
The relation between U,P and V for an ideal gas in an adiabatic process is given by relation U = a+ b P V. Find the value of adiabatic exponent of this gas
The relation between U,P and V for an ideal gas in an adiabatic process is given by relation U = a+ b P V. Find the value of adiabatic exponent of this gas
Physics-General
Physics-
Two rods of the same length and diameter having thermal conductivities K1 and K2 are joined in parallel. The equivalent thermal conductivity of the combination is
Two rods of the same length and diameter having thermal conductivities K1 and K2 are joined in parallel. The equivalent thermal conductivity of the combination is
Physics-General
Chemistry-
If the solubility of lithium sodium hexafluoro aluminate, Li3Na3 (AlF6 his' S' mol L-1, its solubility product is equal to:
If the solubility of lithium sodium hexafluoro aluminate, Li3Na3 (AlF6 his' S' mol L-1, its solubility product is equal to:
Chemistry-General
Chemistry-
How many times has a solution of pH2 higher acidity than a . . .... solution of pH6?
How many times has a solution of pH2 higher acidity than a . . .... solution of pH6?
Chemistry-General
Chemistry-
100 mL of 0.1 M HCI is mixed with 100 mL of 0.0 I M HCI. The pH of the resulting solution is:
100 mL of 0.1 M HCI is mixed with 100 mL of 0.0 I M HCI. The pH of the resulting solution is:
Chemistry-General
Chemistry-
The ionisation constant of NUX in water is act. The rate constant of the reaction of NH t and OH- to form NH3 and H20 at 25°C is 3.4 x 1O1O L mral s-I. The rate constant for proton transfer from water to NH3 is:
The ionisation constant of NUX in water is act. The rate constant of the reaction of NH t and OH- to form NH3 and H20 at 25°C is 3.4 x 1O1O L mral s-I. The rate constant for proton transfer from water to NH3 is:
Chemistry-General
Chemistry-
p Ka values of four acids are given below at 25°C. The strongest acid is:
p Ka values of four acids are given below at 25°C. The strongest acid is:
Chemistry-General
Chemistry-
The pH of an aqueous solution of 0.1 Solution of the salt of a weak base and a strong acid is:
The pH of an aqueous solution of 0.1 Solution of the salt of a weak base and a strong acid is:
Chemistry-General
Chemistry-
In the hydrolytic equilibrium . The degree of hydrolysis of 0.00 I M solution of the salt is:
In the hydrolytic equilibrium . The degree of hydrolysis of 0.00 I M solution of the salt is:
Chemistry-General
Physics-
If the ratio of specific heat of a gas at constant pressure to that at constant volume is y, the change in internal energy of a mass of gas, when the volume changes from V to 2V at constant pressure P ,is
If the ratio of specific heat of a gas at constant pressure to that at constant volume is y, the change in internal energy of a mass of gas, when the volume changes from V to 2V at constant pressure P ,is
Physics-General
Physics-
When the state of a gas adiabatically changed from an equilibrium state A to another equilibrium state Ban amount of work done on the stystem is 35J. If the gas is taken from state A to B via process in which the net heat absorbed by the system is 12 cal, then the net work done by the system is(1cal=4.19J)
When the state of a gas adiabatically changed from an equilibrium state A to another equilibrium state Ban amount of work done on the stystem is 35J. If the gas is taken from state A to B via process in which the net heat absorbed by the system is 12 cal, then the net work done by the system is(1cal=4.19J)
Physics-General