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In a refinery,60 g of pure ethane gas has been stored in a closed vessel of volume 35000 cm at temperature of 122F.By considering safety measures,the pressure of the container is maintained by pressure relief volve.As a chemical engineer you have been given task to measure the pressure of gas stored in a vessel under given conditions using the followings methods: a) The Peng/Robinson Equation (5Marks) b)The generalized virial-coefficient correlation (5Marks) c) Compare both the method values with the ideal gas equation and estimate the error (5Marks)