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Gases: Pressure

College-Cram.com:: Chemistry:: Gases:: Pressure
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Description: Pressure is defined as force per unit area. This Formula Solver! Series program shows the step-by-step solution for finding pressure (in pascals), force (in newtons), or area (in meters squared) from the other two values (which you can enter yourself).
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Contents

  1. Pressure
  2. Introduction to Pressure
Pressure is defined as force per unit area. This Formula Solver! Series program shows the step-by-step solution for finding pressure (in pascals), force (in newtons), or area (in meters squared) from the other two values (which you can enter yourself).

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Introduction to Pressure

The effect of force upon an object depends on how you apply it. (Push a balloon with your hand and it moves; push it just as hard with a pin and it pops.) The critical difference is the force per unit area, or pressure.

Pressure is defined by the formula p=F/A where p is pressure, F is the force, and A is the area over which the force is applied. This tutorial will show how to use the basic formula to use any two of these to solve for the third.

  • Solve for pressure: p = F/A
  • Solve for force: F = pA
  • Solve for area: A = F/p
(Here's a hint: when you get to the end of the solver, change a number and click Next again to see the whole thing recalculated with the new number.)

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Click one of these Keywords for more resources on the topic: Chemistry, Force, Force per Unit Area, Gases, Gases: Pressure, Kinetic Theory of Gases, Kinetic Theory of Gases: Pressure, Meters Squared, Newtons, Pascals, Physics, Pressure

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