# Answer to Question #747 in Molecular Physics | Thermodynamics for Nana

Question #747

1. A certain gas can be described by the following equation of state:

(p+a/V2)(V-b)=nRT

p, T and V are resp. the pressure, the temperature and the volume. a and b are the so-called van der Waals parameters.

Compute w, U and q is 1 mol of this gas expands reversible and isothermal from V1 to V2.

Note that: (dU/dV)T=T.(dp/dT)v-p

(p+a/V2)(V-b)=nRT

p, T and V are resp. the pressure, the temperature and the volume. a and b are the so-called van der Waals parameters.

Compute w, U and q is 1 mol of this gas expands reversible and isothermal from V1 to V2.

Note that: (dU/dV)T=T.(dp/dT)v-p

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