Question

Convert the following pressures to their equivalent in atmospheres. a) The surface of the planet Venus has an atmospheric pressure of 1.33 × 103 psi. b) At the peak of Mount Everest, the atmospheric pressure is roughly 275 torr.

Answer 1

A. The unit psi stands for pounds per square inch / pound force per square inch.

  1 psi = 0.068 atm

so in 1.33 × 103 psi equal to

=(0.068 × 1.33 × 103 ) atm

= 9.315 atm

B. Relation between atm and torr-

  1 torr = 0.00132 atm

So 275 torr (at mount everest)

=275 × 0.00132 atm

  = 0.363 atm