Question 1
Given that the vapor pressure of pure
n-hexane and pure
n-heptane at 25 °C are 151.4 mmHg and 45.62 mmHg respectively, calculate the total vapor pressure above a solution containing only
n-hexane and
n-heptane in which the mole fraction of
n-hexane is 0.600.
◦ 87.9 mmHg
◦ 197 mmHg
◦ 106 mmHg
◦ 109 mmHg
◦ 170 mmHg
Question 2
Henry's Law constants for aqueous solutions at 25 °C are 8.20 × 10
-7m/mmHg for N
2 and 1.62 × 10
-6m/mmHg for O
2. Determine the solubility of nitrogen in water under an atmospheric pressure of 760 mmHg, assuming that air is 80% N
2 and 20% O
2.
◦ 6.23 × 10
-4m◦ 7.79 × 10
-4m◦ 4.99 × 10
-4m◦ 1.25 × 10
-4m◦ 6.16 × 10
-3m
A sea turtle at Henry Doorly Zoo, Omaha NE
Thomas Henry Huxley
Aqueous humor.
IV Solutions and Calculations
Henry VIII Humor
Henry VIII Humor