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Question: problem 1 4 marks hydrogen gas is stored in a...

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Problem 1 (4 marks) Hydrogen gas is stored in a reservoir at 300 K and 900 atm. Given that the molecular weight of H2 is W-2.016 g/mol and γ = 1.4, find the speed of sound in the reservoir (Note: R- R/W where the universal gas constant is R8.314 J/mol-K). Now consider a round duct attached to the reservoir with a valve. When the valve is opened, an isentropic and adiabatic flow starts in the duct. If the Mach number of the flow in the duct is M- 1.5, at a section where the duct diameter is 2mm, what is the mass flow rate?

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