Question

Some nitrogen at 80.0 psi gauge pressure occupies 13.0 ft^3. Find its volume, in ft^3, at 50.0 psi gauge pressure.

Answer 1

(80+14.70)/(50+14.70)*13 ft^3 at sea level
Zero psi Gauge pressure at sea level is actually 14.70 psi

in outer space is simpler 80/50*13 ft^3

Answer 2

@bugman954 Find the water pressure (in kPa) at the 25.0-m level of a water tower containing water 50.0 m deep.

Answer 3

How would I do that one?

Answer 4

1 meter of water is 9.807 kPa you have 25 meters above so 25*9.807

Answer 5

thanks sir