10.20) Perform the following conversions: (a) 0.912 atm to torr,(b) 0.685 bar to kilopascals, (c) 655 mm Hg to atmospheres,(d) 1.323 * 105 Pa to atmospheres, (e) 2.50 atm to psi. Perform the following conversions: (a) 0.912 atm to torr, (b) 0.685 bar to kilopascals, (c) 655 mm Hg to atmospheres, (d) 1.323 * 105 Pa to atmospheres, (e) 2.50 atm to psi.

(a)  0.912 atm = 693.12 torr

(b)  0.685 bar = 68.5 kpa

(c)  655 mm Hg = 0.8618 atm

(d)  1.323x10⁵ Pa = 1.305 atm

(e)  2.50 atm = 36.74 psi

Explanation:

(a) 0.912 atm to torr

We know that 1 atmospheric pressure (Atm) is equal to 760 torr (mm Hg)

so 0.912*760 = 693.12 torr

(b) 0.685 bar to kilopascals

We know that 1 bar is equal to 100 kpa

so  0.685*100 = 68.5 kpa

(c) 655 mm Hg to atmospheres

We know that 1 atmospheric pressure (Atm) is equal to 760 torr (mm Hg)

so 655/760 = 0.8618 atm

(d) 1.323x10⁵ Pa to atmospheres

We know that 1 atm is equal to 101,325 Pascals

so  1.323x10⁵/101,325 = 1.305 atm

(e) 2.50 atm to psi

We know that 1 atm is equal to 14.696 pound-force per square inch (psi)

so 2.50*14.696 = 36.74 psi

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