Answer to Question #83292 in General Chemistry for Om

Question

How to calculate P gases in kPa

Answer 1

Engineers often measure or calculate pressure in metric units. The unit for pressure is the Pascal, or one newton of force per square meter of area. Converting pressure to kiloPascals (kPa), which equals 1,000 Pascals, will abbreviate large pressure values. You must only consider the amount of force acting perpendicular to the surface.

The kPa is also the unit of normal, or axial, stress and shear, or tangential stress. Calculating stress or pressure is a matter of determining the correct force vector and the correct cross-sectional area.