7.45. At 25°C, the mole fraction of air in water is about 1.388 × 10-5. (a) What is the molarity of this solution? (b) What is the Henry's law constant for air? (c) Would you expect the solubil- ity of air to increase or decrease with an increase in tempera- ture? Compare your numerical answers to the constants for nitrogen and oxygen in Table 7.2. The way TABLE 7.2 Some Henry's law constants for aqueous solutions stant K, K, (Pa) Compound 4.03 X 10° Argon, Ar where t! 1,3-Butadiene, C,H6 1.43 X 1010 temperat Henry, v theory a law cons Carbon dioxide, CO, 1.67 X 10 Formaldehyde, CH,0 1.83 X 10 Hydrogen, H, 7.03 X 10° Notic Methane, CH, 4.13 X 107 Both app Nitrogen, N2 8.57 X 10° that the Oxygen, O, 4.34 X 10° that com Vinyl chloride, CH2 = CHCI 6.11 X 107 as the va tionality constant "Temperature is 25° C. Many Instead rium gas equilibri lowing e:
7.45. At 25°C, the mole fraction of air in water is about 1.388 × 10-5. (a) What is the molarity of this solution? (b) What is the Henry's law constant for air? (c) Would you expect the solubil- ity of air to increase or decrease with an increase in tempera- ture? Compare your numerical answers to the constants for nitrogen and oxygen in Table 7.2. The way TABLE 7.2 Some Henry's law constants for aqueous solutions stant K, K, (Pa) Compound 4.03 X 10° Argon, Ar where t! 1,3-Butadiene, C,H6 1.43 X 1010 temperat Henry, v theory a law cons Carbon dioxide, CO, 1.67 X 10 Formaldehyde, CH,0 1.83 X 10 Hydrogen, H, 7.03 X 10° Notic Methane, CH, 4.13 X 107 Both app Nitrogen, N2 8.57 X 10° that the Oxygen, O, 4.34 X 10° that com Vinyl chloride, CH2 = CHCI 6.11 X 107 as the va tionality constant "Temperature is 25° C. Many Instead rium gas equilibri lowing e:
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter6: Solutions And Colloids
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At 25 degree C, the mole fraction of air in water is about 1.388 x10^-5. (a)What is the molarity of the solution? (b) What is the Henry's Law constant for air ?(c)Would you expect the solubility of air to increase or decrease with an increase in temperature ?Compare your numerical answers to the constants for nitrogen and oxygen in table 7.2.
Transcribed Image Text:7.45. At 25°C, the mole fraction of air in water is about 1.388 ×
10-5. (a) What is the molarity of this solution? (b) What is the
Henry's law constant for air? (c) Would you expect the solubil-
ity of air to increase or decrease with an increase in tempera-
ture? Compare your numerical answers to the constants for
nitrogen and oxygen in Table 7.2.
Transcribed Image Text:The way
TABLE 7.2 Some Henry's law
constants for aqueous solutions
stant K,
K, (Pa)
Compound
4.03 X 10°
Argon, Ar
where t!
1,3-Butadiene, C,H6
1.43 X 1010
temperat
Henry, v
theory a
law cons
Carbon dioxide, CO,
1.67 X 10
Formaldehyde, CH,0 1.83 X 10
Hydrogen, H,
7.03 X 10°
Notic
Methane, CH,
4.13 X 107
Both app
Nitrogen, N2
8.57 X 10°
that the
Oxygen, O,
4.34 X 10°
that com
Vinyl chloride,
CH2 = CHCI
6.11 X 107
as the va
tionality
constant
"Temperature is 25° C.
Many
Instead
rium gas
equilibri
lowing e:
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