Work done may be calculated by the expression p dA for _________ processes. Non-flow reversible Adiabatic Both (A) and (B) Neither (A) nor (B)
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Here, p represents pressure and dA represents a differential area. Show more…
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In thermodynamics, the $P-V$ work done is given by $$ w=-\int d V P_{e x t} $$ For a system undergoing a particular process, the work done is, $$ w=-\int d V\left(\frac{R T}{V-b}-\frac{a}{V^{2}}\right) $$ This equation is applicable to a [Adv. 2020] (a) system that satisfies the van der Waals equation of state. (b) process that is reversible and isothermal. (c) process that is reversible and adiabatic. (d) process that is irreversible and at constant pressure.
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The work done in which of the following processes is zero (a) Isothermal process (b) Adiabatic process (c) Isochoric process (d) None of these
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The work done in adiabatic process is given by: (a) $\frac{n \mathrm{R}\left(T_{1}-T_{2}\right)}{\gamma}$ (b) $\frac{n \mathrm{R}\left(T_{1}-T_{2}\right)}{\gamma-2}$ (c) $\frac{n \mathrm{R}\left(T_{1}-T_{2}\right)}{\gamma-1}$ (d) $n \mathrm{R}\left(T_{1}-T_{2}\right)$
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