Question

**Question 1.**

a) Draw a vapour pressure (pA) *vs* composition (xA)
graph for an ideal solution of A mixed with B.

b) Sketch a curve that you might see for a real solution where A interacts more strongly with itself than it does with B.

c) Label the region of this graph that follows Henry’s
Law.

d) Will the Henry’s Law constant for A be larger or smaller than
vapour pressure of pure A? Explain your answer in one sentence.

e) Label the region of the graph where the solution behaves like
a ideal real solution.

f) Will the boiling point of the real solution be greater than or
less than the boiling point of the corresponding ideal solution?
Explain your reasoning in one sentence.

g) Will the activity of A in this solution be greater than or less than xA? Use the appropriate equation(s) to explain your answer.

Answer #1

D) Henry's law constant will be lesser than the vapor
pressure of pure A

K_{H} = C / P_{a} ; P_{a} =
X_{a}P_{a}^{*}

K_{H} = C
/ X_{a}P_{a}^{*}

f) An ideal solution obeys Raoult's law , lower the vapor pressure
higher the boiling point but real solutions

lower vapor pressures than ideal solutions therefore the boiling
point of real solutions are less than ideal ones

g) Activity coeffcient , γ = P_{T}Y_{A} /
P_{A}X_{A}

From the above equationit is clear that activity coeffcient >
X_{A}

1. a) Draw a vapour pressure (pA) vs composition (xA) graph for
an ideal solution of A mixed with B.
b) Sketch a curve that you might see for a real solution where A
interacts more strongly with itself than it does with B.
c) Label the region of this graph that follows Henry’s Law.
d) Will the Henry’s Law constant for A be larger or smaller than
vapour pressure of pure A? Explain your answer in one
sentence.
e)...

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How will the acquisition of Reebok by Adidas impact the structure
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What does New Balance need to do to continue to be successful?
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