The amino acid alanine has two isomers, a-alanine and B-alanine. When equal masses of these two compounds are dissolved in equal amounts of a solvent, the solution of a-alanine freezes at the lowest temperature. Which form has the larger equilibrium constant for ionization (HX=H¸+X-), a-alanine B B-alanine

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Question 7
The amino acid alanine has two isomers, a-alanine and B-alanine. When equal masses of these two compounds are dissolved in
equal amounts of a solvent, the solution of a-alanine freezes at the lowest temperature. Which form has the larger equilibrium
constant for ionization (HX=H_+X-)?
A a-alanine
B-alanine
Question 8
Calculate the number of grams of HI that are at equilibrium with 1.25 mol of H, and 63.5 g of I at 448° C.
H,,1²=2HI
K = 50.2 at 448° C
А
50 g
3.96 g
c) 3.64x 10-5 8
D 507 g
Question 9
Hydrogen is prepared commercially by the reaction of methane and water vapor at elevated temperatures.
CH (g) + H,0 (g) = 3H, (g) + CO(g) What is the equilibrium constant for the reaction if a mixture at equilibrium contains gases
with the following concentrations: CH. 0.126 M; H,0, 0.242 M; CO, 0.126 M; H,. 1.15 M, at a temperature of 760° C;
-6.28
6.28
1.52
-1.52
Transcribed Image Text:Question 7 The amino acid alanine has two isomers, a-alanine and B-alanine. When equal masses of these two compounds are dissolved in equal amounts of a solvent, the solution of a-alanine freezes at the lowest temperature. Which form has the larger equilibrium constant for ionization (HX=H_+X-)? A a-alanine B-alanine Question 8 Calculate the number of grams of HI that are at equilibrium with 1.25 mol of H, and 63.5 g of I at 448° C. H,,1²=2HI K = 50.2 at 448° C А 50 g 3.96 g c) 3.64x 10-5 8 D 507 g Question 9 Hydrogen is prepared commercially by the reaction of methane and water vapor at elevated temperatures. CH (g) + H,0 (g) = 3H, (g) + CO(g) What is the equilibrium constant for the reaction if a mixture at equilibrium contains gases with the following concentrations: CH. 0.126 M; H,0, 0.242 M; CO, 0.126 M; H,. 1.15 M, at a temperature of 760° C; -6.28 6.28 1.52 -1.52
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