Question: 1. P = 51.0 psi, P' = 65.3 psi, D' = 0.231 Ib/ft3; find D. 2. Some air at 22.5 psi occupies 1400in3. What is

1. P = 51.0 psi, P' = 65.3 psi, D' = 0.231 Ib/ft3; find D.
2. Some air at 22.5 psi occupies 1400in3. What is its volume at 18.0 psi?
3. Some nitrogen at a pressure of 110.0 kPa occupies 185 m3. Find its pressure if its volume is changed to 225 m3.
4. Some methane at 185.0 kPa occupies 65.0 L. What is its volume at a pressure of 95.0 kPa?
5. Some carbon dioxide has a density of 3.75 kg/m3 at 815 kPa. What is its density if the pressure is decreased to 725 kPa?
6. Some oxygen has a density of 1.75 kg/m3 at normal atmospheric pressure. What is its pressure (in kPa) when the density is changed to 1.45 kg/m3?

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