8. (a) When a system is taken from state i to state f along path iaf in the figure below, heat absorbed Q = 80 Jand work done W= 30J. Along path ibf , heat absorbed is Q= 54 J. Calculate the work done W along path ibf. Volume Pressure
8. (a) When a system is taken from state i to state f along path iaf in the figure below, heat absorbed Q = 80 Jand work done W= 30J. Along path ibf , heat absorbed is Q= 54 J. Calculate the work done W along path ibf. Volume Pressure
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Transcribed Image Text:8.
(a) When a system is taken from state i to state f along path iaf in the figure below, heat
absorbed Q= 80 Jand work done W=30J. Along path ibf , heat absorbed is Q=54 J. Calculate
the work done W along path ibf.
Volume
(b) A monoatomic ideal gas initially at 300K is compressed at a constant pressure of 25 N/m²
from a volume of 3.0 m³ to a volume of 1.8 m³. In the process, 75 J is lost by the gas as heat.
(i) Determine a change in internal energy of the gas.
Pressure
Transcribed Image Text:(ii) Calculate the temperature of the gas at the end of the process.
(iii) Determine the number of moles of the gas.
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