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Chapter 5: Problem 41

Freon- 12\(\left(\mathrm{CF}_{2} \mathrm{Cl}_{2}\right)\) is commonly used as the refrigerant in central home air conditioners. The system is initially charged to a pressure of 4.8 atm. Express this pressure in each of the fol lowing units \((1 \mathrm{atm}=14.7 \mathrm{psi}).\) a. mm Hg b. torr c. Pa d. psi

Short Answer

Expert verified
The pressure of Freon-12 in the given units is as follows: a. 3648 mm Hg b. 3648 torr c. 486360 Pa d. 70.56 psi

Step by step solution

01

Write down the conversion factors

We have the following conversion factors at our disposal: 1. 1 atm = 101325 Pa 2. 1 atm = 760 mm Hg 3. 1 atm = 760 torr 4. 1 atm = 14.7 psi
02

Convert pressure in atm to mm Hg

To find the pressure in mm Hg, we use the conversion factor, 1 atm = 760 mm Hg. Given Pressure = 4.8 atm \(Pressure_{mm Hg} = 4.8 \times 760 = 3648 mm Hg\) So, the pressure is 3648 mm Hg.
03

Convert pressure in atm to torr

To find the pressure in torr, we use the conversion factor, 1 atm = 760 torr. Given Pressure = 4.8 atm \(Pressure_{torr} = 4.8 \times 760 = 3648 torr\) So, the pressure is 3648 torr.
04

Convert pressure in atm to Pa

To find the pressure in pascals (Pa), we use the conversion factor, 1 atm = 101325 Pa. Given Pressure = 4.8 atm \(Pressure_{Pa} = 4.8 \times 101325 = 486360 Pa\) So, the pressure is 486360 Pa.
05

Convert pressure in atm to psi

To find the pressure in pounds per square inch (psi), we use the conversion factor, 1 atm = 14.7 psi. Given Pressure = 4.8 atm \(Pressure_{psi} = 4.8 \times 14.7 = 70.56 psi\) So, the pressure is 70.56 psi. Answers: a. 3648 mm Hg b. 3648 torr c. 486360 Pa d. 70.56 psi

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