In a hydraulic system, a 100.-newton force is applied to a small piston with an area of 0.0020 m2. What pressure, in pascals, will be transmitted in the hydraulic system?

Amixture of gases consists of 0.4 kg of oxygen, 0.7 kg of carbon dioxide, and 0.2 kg of helium this mixture is maintained at 100 kpa and 27°c. determine: (a) the apparent molecular weight of this mixture the volume it occupies (b) the partial volume of the oxygen, and (c) (d) the partial pressure of the helium