What is the density of ethylene at a gauge pressure of 1.2 MPa and 40°C? How is it calculated?

2020-10-16View Original

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What is the density of ethylene at a gauge pressure of 1.2 MPA and 40°C? How is it calculated? Thank you

Reply #22020-10-16

If very high accuracy is not required, simply use the ideal gas equation for the calculation； For greater accuracy, the van der Waals gas equation can be used.

Reply #32020-10-16

Without considering the compression factor, 1 mole weighs 28 g; under standard conditions, its volume is 22.4 L. At 40 degrees Celsius, the volume becomes 22.4 * (40 + 273) / 273 = 25.68 L. With a gauge pressure of 1.2 Mpa, the volume is compressed by a factor of 13; thus, the weight per liter is 13 * 28 / 25.68 = 14.2 g/L

Reply #42020-10-17

Densities at various temperatures at 1.4 MPa calculated by Aspen

Reply #52020-10-22

14.98781kg/m3

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What is the density of ethylene at a gauge pressure of 1.2 MPa and 40°C? How is it calculated?

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