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प्रश्न
Give an example of some familiar process in which heat is added to an object, without changing its temperature.
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उत्तर
- Melting of ice
- Boiling of water.
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संबंधित प्रश्न
A thermodynamic system is taken from an original state to an intermediate state by the linear process shown in Figure
Its volume is then reduced to the original value from E to F by an isobaric process. Calculate the total work done by the gas from D to E to F
An ideal gas is taken through an isothermal process. If it does 2000 J of work on its environment, how much heat is added to it?
Heating a gas in a constant volume container is an example of which process?
Draw a p-V diagram of the reversible process.
Draw a p-V diagram showing negative work with varying pressure.
Draw a p-V diagram showing positive work at constant pressure.
State the assumptions made for thermodynamic processes.
Explain work done during a thermodynamic process.
When food is cooked in a vessel by keeping the lid closed, after some time the steam pushes the lid outward. By considering the steam as a thermodynamic system, then in the cooking process
The V-T diagram of an ideal gas which goes through a reversible cycle A→B→C→D is shown below. (Processes D→A and B→C are adiabatic)
The corresponding PV diagram for the process is (all figures are schematic)
In an isochoric process, we have ____________.
Give an expression for work done in an isothermal process.
Apply first law for an adiabatic process.
Give an equation state for an isochoric process.
Draw the PV diagram for the adiabatic process.
Can the given heat energy be completely converted to work in a cyclic process? If not, when can the heat can completely converted to work?
Explain in detail the isothermal process.
Explain the isobaric process and derive the work done in this process.
What are the limitations of the first law of thermodynamics?
In an adiabatic expansion of the air, the volume is increased by 4%, what is the percentage change in pressure? (For air γ = 1.4)
In a petrol engine, (internal combustion engine) air at atmospheric pressure and temperature of 20°C is compressed in the cylinder by the piston to `1/8` of its original volume. Calculate the temperature of the compressed air. (For air γ = 1.4)
Consider the following cyclic process consist of isotherm, isochoric and isobar which is given in the figure.
Draw the same cyclic process qualitatively in the V-T diagram where T is taken along the x-direction and V is taken along the y-direction. Analyze the nature of heat exchange in each process.
A monoatomic gas of pressure p having volume V expands isothermally to a volume 2V and then adiabatically to a volume 16V. The final pressure of the gas is ____________.
`("ratio of specific heats" = 5/3)`
One mole of an ideal gas with `gamma` = 1.4 is adiabatically compressed so that its temperature rises from 27° C to 47° C. The change in the internal energy of the gas is (R = 8.3 J/mol.K) ____________.
Ideal gas for which 'ϒ' = 1.5 is suddenly compressed to `1/4`th of its initial volume. The ratio of 4 the final pressure to the initial pressure is ______.
`(ϒ = "C"_"p"/"C"_"v")`
Which of the following processes is reversible?
In a certain thermodynamical process, the pressure of a gas depends on its volume as kV3. The work done when the temperature changes from 100°C to 300°C will be ______ nR, where n denotes number of moles of a gas.
