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Chapter 8: Q4 E (page 451)

A typical barometric pressure in Redding, California, is about 750mm Hg. Calculate this pressure in atm and kPa.

Short Answer

Expert verified
  1. 750mm of Hg = 0.9868 atm.
  2. 750mm of Hg = 99.99 Kpa

Step by step solution

01

Define pressure

The force applied perpendicular to an object's surface per unit area across which that force is spread is known as pressure.

02

Explanation

a)Converting mm Hg pressure to atm.

1mm of Hg= 0.0013 atm.

750 mm of Hg

= (750) x (0.0013) atm.

= 0.9868 atm.

Therefore, 0.9868 atm.

b) Converting mm Hg to kPa pressure.

1mm of Hg = 0.1333 Kpa.

750 mm of Hg

= (750) x (0.1333) Kpa.

= 99.99 Kpa.

Therefore, 99.99 Kpa.

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