OWLv2 with Student Solutions Manual eBook for Masterton/Hurley's Chemistry: Principles and Reactions, 8th Edition, [Instant Access], 4 terms (24 months)
OWLv2 with Student Solutions Manual eBook for Masterton/Hurley's Chemistry: Principles and Reactions, 8th Edition, [Instant Access], 4 terms (24 months)
8th Edition
ISBN: 9781305863170
Author: William L. Masterton; Cecile N. Hurley
Publisher: Cengage Learning US
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Chapter 5, Problem 4QAP
Interpretation Introduction

(a)

Interpretation:

The pressure 42.7 kPa is to be converted into mmHg, atm and psi.

Concept introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

Expert Solution
Check Mark

Answer to Problem 4QAP

The pressure in psi is 6.20 psi

The pressure in mm Hg is 3.20×102 mm Hg.

The pressure in atm is 0.422 atm.

Explanation of Solution

The force exerted by gas over a unit surface of area is called pressure of gas. The expression of pressure is as below:

P =FA

Where, P is pressure of gas, F is force exerted by gas and A is area.

The SI unit of pressure is Pascal, which is denoted as Pa. It is represented as follows;

1 Pa = 1 kgm1S2

The pressure given in kPa is 47.7 kPa. The pressure is also represented in psi, that is, pound-force square inch. The value of one Pascal is equivalent to 1.45×104 psi. The pressure is converted into psi as follows:

P = 42.7 kPa    =(42.7 kPa)(103 Pa1 kPa)(1.45×104psi1 Pa)     =6.20 psi

Therefore, the pressure in psi is 6.20 psi.

The value of one Pascal pressure is equivalent to 9.87 atm. The pressure is converted into atmosphere as follow:

P = 42.7 kPa    =(42.7 kPa)(103 Pa1 kPa)(9.87×106 atm1 Pa )     =0.422 atm

Hence, the pressure in atm is 0.422 atm.

The value of one atmosphere is equivalent to 760 mm Hg. The pressure is converted into mm Hg as follow:

P = 0.422 atm    =(0.422 atm)(760 mm Hg1 atm )     =3.20 ×102 mm Hg

Hence, the pressure in mm Hg is 3.20×102 mm Hg.

Interpretation Introduction

(b)

Interpretation:

The pressure 29.1 psi is to be converted into mmHg, atm and kPa.

Concept introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

Expert Solution
Check Mark

Answer to Problem 4QAP

The pressure in kPa is 201 kPa.

The pressure in mm Hg is 1.50×103 mm Hg.

The pressure in atmosphere is 1.98 atm.

Explanation of Solution

The pressure given in pound-force square inch is 29.1 psi. The value of one psi pressure is equivalent to 6.90kPa. The pressure is converted into kPa as follows:

P = 29.1 psi    =(29.1 psi)(6.90 kPa1 psi)     =201 kPa

Hence, the pressure in kPa is 201 kPa.

The value of one Pascal pressure is equivalent to 9.87 atm. The pressure is converted into atmosphere as follows:

P = 42.7 kPa    =(201 kPa)(103 Pa1 kPa)(9.87×106 atm1 Pa)     =1.98 atm

Hence, the pressure in atmosphere is 1.98 atm.

The value of one atmosphere is equivalent to 760 mmHg. The pressure is converted into mm Hg as follows:

P = 1.98 atm    =(1.98 atm)(760 mm Hg1 atm)     =1.50×103 mm Hg

Hence, the pressure in mm Hg is:

1.50×103 mm Hg

Interpretation Introduction

(c)

Interpretation:

The pressure 0.788 atm is to be converted into mmHg, psi and kPa.

Concept introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

Expert Solution
Check Mark

Answer to Problem 4QAP

The pressure in mm Hg is 599 mm Hg.

The pressure in psi is 11.6 psi.

The pressure in kPa is 79.8 kPa.

Explanation of Solution

The value of one atmosphere is equivalent to 760 mmHg. The 0.788 atmosphere pressure is converted into mm Hg as follows:

P = 0.788  atm    =(0.788  atm)(760 mm Hg1 atm)     =599 mm Hg

Hence, the pressure in mm Hg is 599 mm Hg.

The value of one atmosphere pressure is equivalent to 101.33 kPa. The pressure is converted into kPa as follows:

P = 0.788  atm    =(0.788  atm)(101.33 kPa1 atm)     =79.8 kPa

Hence, the pressure in kPa is 79.8 kPa.

The value of one Pascal is equivalent to 1.45×104 psi. The pressure is converted into psi as follows:

P = 79.8 kPa    =(79.8 kPa)(103 kPa1 kPa)(1.45×104 psi1 Pa)     =11.6 psi

Hence, the pressure in psi is 11.6 psi.

Interpretation Introduction

(d)

Interpretation:

The pressure 1216 mm Hg is to be converted into atm, psi, and kPa.

Concept introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

Expert Solution
Check Mark

Answer to Problem 4QAP

The pressure in atmosphere is 1.60 atm.

The pressure in psi is 23.5 psi.

The pressure in kPa is 162.1 kPa

Explanation of Solution

The given pressure value is 1216 mm Hg. The value of one atmosphere is equivalent to 760 mmHg. The pressure is converted into atmosphere as follows:

P = 1216 mm Hg    =(1216 mm Hg)(1 atm760 mm Hg)     =1.60 atm

Therefore, the pressure in atmosphere is 1.60 atm.

The value of one atmosphere pressure is equivalent to 101.33 kPa. The pressure is converted into kPa as follows:

P = 1.60 atm    =(1.60 atm)(101.33 kPa1 atm)     =162.1 kPa

Hence, the pressure in kPa is 162.1 kPa.

The value of one Pascal is equivalent to

1.45×104 psi. The pressure is converted into psi as follows:

P = 162.1 kPa    =(162.1 kPa)(103 Pa1 kPa)(1.45×104 psi1 Pa)     =23.5 psi

Hence, the pressure in psi is 23.5 psi.

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Chapter 5 Solutions

OWLv2 with Student Solutions Manual eBook for Masterton/Hurley's Chemistry: Principles and Reactions, 8th Edition, [Instant Access], 4 terms (24 months)

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