Gaseous helium is to be used to quench a hot piece of metal

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Reference no: EM13580936

1. Gaseous helium is to be used to quench a hot piece of metal. The helium is in storage in an insulated tank with a volume of 50 L and a temperature of 25ºC. The pressure is 20 atm. Assume that helium is an ideal gas.

1. When the valve is opened and the gas escapes into the quench chamber (pressure = 1 atm), what will be the temperature of the first gas to hit the specimen?

2. As the helium flows, the pressure in the tank drops. What will be the temperature of the helium entering the quench chamber when the pressure in the tank has fallen to 10 atm?

Reference no: EM13580936

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