Question Answers
Sahay Sir > Question Answers
The given figure shows the variation of internal energy (U) with the pressure (p) of 2.0 mole gas in cyclic process abcda. The temperatures of gas at c and d are 300 K and 500 K, respectively. Calculate the heat
03
Sep
The given figure shows the variation of internal energy (U) with the pressure (p) of 2.0 mole gas in cyclic process abcda. The temperatures of gas at c and d are 300 K and 500 K, respectively. Calculate the heat respectively. Calculate the heat The given figure shows the variation of internal energy (U) with [...]
A massless piston divides a closed, thermally insulated cylinder into two equal parts. One part contains M = 28 g of nitrogen. At this temperature, one -third of molecules are dissociated into atoms and the other part is evacuated. the piston
03
Sep
A massless piston divides a closed, thermally insulated cylinder into two equal parts. One part contains M = 28 g of nitrogen. At this temperature, one -third of molecules are dissociated into atoms and the other part is evacuated. the piston A massless piston divides a closed one -third of molecules are dissociated into atoms [...]
One mole of an ideal monatomic gas is taken round the cyclic process ABCA as shown in the given figure. Calculate (a) the work done by the gas, (b) the heat rejected by the gas in the path CA and the heat absorbed by the gas in the path AB
03
Sep
One mole of an ideal monatomic gas is taken round the cyclic process ABCA as shown in the given figure. Calculate (a) the work done by the gas, (b) the heat rejected by the gas in the path CA and the heat absorbed by the gas in the path AB (b) the heat rejected by [...]
A sample of 2 kg of monatomic helium (assumed ideal) is taken through the process ABC and another sample of 2 kg of the same gas is taken through the process ADC as shown in the given figure. Given molecular mass of helium = 4.
03
Sep
A sample of 2 kg of monatomic helium (assumed ideal) is taken through the process ABC and another sample of 2 kg of the same gas is taken through the process ADC as shown in the given figure. Given molecular mass of helium = 4. B = C cooling at constant volume C = D [...]
One mole of monatomic ideal gas is taken through the cycle as shown in the given figure. A = B adiabatic expansion , B = C cooling at constant volume , C = D adiabatic compression
03
Sep
One mole of monatomic ideal gas is taken through the cycle as shown in the given figure. A = B adiabatic expansion , B = C cooling at constant volume , C = D adiabatic compression B = C cooling at constant volume C = D adiabatic compression One mole of monatomic ideal gas is [...]
Two moles of helium gas undergoes a cyclic process as shown in the given figure. Assuming the gas to be ideal, calculate the following quantities in this process.
03
Sep
Two moles of helium gas undergoes a cyclic process as shown in the given figure. Assuming the gas to be ideal, calculate the following quantities in this process. calculate the following quantities in this process. Two moles of helium gas undergoes a cyclic process as shown in the given figure. Assuming the gas to be [...]
An ideal monatomic gas is confined in a cylinder by a spring loaded piston of cross section 8 X 10^-3 m^2. Initially, the gas is at 300 K and occupies a volume 2.4 X 10^-3 m^3 and the spring is in its relaxed
03
Sep
An ideal monatomic gas is confined in a cylinder by a spring loaded piston of cross section 8 X 10^-3 m^2. Initially, the gas is at 300 K and occupies a volume 2.4 X 10^-3 m^3 and the spring is in its relaxed An ideal monatomic gas is confined in a cylinder by a spring [...]
Two moles of helium gas (gama = 5/2) is initially at temperature 27 C and occupies a volume of 20 L. The gas is first expanded at constant pressure until the volume is doubled. Then, it undergoes an adiabatic change until the
03
Sep
Two moles of helium gas (gama = 5/2) is initially at temperature 27 C and occupies a volume of 20 L. The gas is first expanded at constant pressure until the volume is doubled. Then, it undergoes an adiabatic change until the it undergoes an adiabatic change until the Two moles of helium gas (gama [...]
Two moles of an ideal monatomic gas is taken through a cycle ABCA as shown in P-T diagram. During the process AB, pressure and temperature of the gas vary such that PT = constant. If T1 = 300 K, calculate
03
Sep
Two moles of an ideal monatomic gas is taken through a cycle ABCA as shown in P-T diagram. During the process AB, pressure and temperature of the gas vary such that PT = constant. If T1 = 300 K, calculate calculate pressure and temperature of the gas vary such that PT = constant. If T1 [...]
The given figure shows three process is for an ideal gas. The temperature at ‘a’ is 600 K, pressure 16 atm, and volume 1 L. The volume at ‘b’ is 4L. Out of two processes, ab and ac
03
Sep
The given figure shows three process is for an ideal gas. The temperature at ‘a’ is 600 K, pressure 16 atm, and volume 1 L. The volume at ‘b’ is 4L. Out of two processes, ab and ac ab and ac and volume 1 L. The volume at 'b' is 4L. Out of two processes [...]