Two of water is converted into steam by boiling at atmospheric pressure. The volume changes from to . The work done by the system is about
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.
of hydrogen at NTP expands isobarically to twice its initial volume. The change in its internal
energy is and atm pressure )
Which one is the correct option for the two different thermodynamic processes?
(3) and (4)
(1) only
(3) and (1)
(2) and (3)
For adiabatic process,
And for isothermal process, temperature is constant.
Let
then,
Hence, (c) is the correct - graph.
Also for adiabatic process,
Then,
Hence, (d) is the correct graph.
The diagram of a gas system undergoing cyclic process is shown here. The work done during isobaric compression is
Isobaric compression is represented by curve AO Work done area under
Which of the following statements about a thermodynamic process is wrong?
For an adiabatic process
For a constant volume process
For a cyclic process
For free expansion of a gas
For adiabatic process .
By first law of thermodynamics,
In a cyclic process, work done by the system is
zero
equal to heat given to the system
more than heat given to the system
independent of heat given to the system
A balloon filled with helium and .) bursts. Immediately afterwards the expansion of helium
can be considered as :
irreversible isothermal
irreversible adiabatic
reversible adiabatic
reversible isothermal
Bursting of helium balloon is irreversible and in this process , so adiabatic.
In pressure-volume diagram, the isochoric, isothermal, isobaric and iso-entropic parts respectively, are
CD, DA, AB, BC
From to is constant. So process is isochoric. From D to A, the curve represents constant temperature. So the process is isothermal.From A to B, pressure is constant. So, the process is isobaric. represents constant entropy.
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