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- What is the temperature of the compressed helium in a cylinder

How can I calculate the temperature changes of a pressurized gas as it is in a cylinder, then as it is when flowing into another vessel?

my best guess was using the ideal gas law (with help from this forum), but I feel like I'm using it wrong.

P = 300bar or 296.08 atm

V = 112 L (is this supposed to be the volume of the vessel?)

R = 0.082 atm.L/mol.k

n = 377.1 mol (based on the manufacturers spec of the cylinder stating the contents are 8.56m3)

This gives me a Temp of 1072.4 K, which surely cannot be right, what have I done wrong/misunderstood?

my best guess was using the ideal gas law (with help from this forum), but I feel like I'm using it wrong.

P = 300bar or 296.08 atm

V = 112 L (is this supposed to be the volume of the vessel?)

R = 0.082 atm.L/mol.k

n = 377.1 mol (based on the manufacturers spec of the cylinder stating the contents are 8.56m3)

This gives me a Temp of 1072.4 K, which surely cannot be right, what have I done wrong/misunderstood?