) Consider the reaction between liquid bromine and fluorine to produce BrF3 gas: Br2 (1) + 3 F2 (g) → 2 BrF3 (g) At 298.15 K, AGP of BrF3 (g) is -229.41 kJ/mol. a) Develop the direction predictor equation for the reaction: b) A flask contains liquid bromine, F2 gas with a partial pressure of Pr2= 0.0060 bar and BRF3 ga= with a partial pressure of PBaF3 1.996 bar. Which way will this reaction go? c) Describe what is happening here- in other words, explain how the two terms in dG either dx favor or go against spontaneity at this point in the reaction. What does the answer to this question say about how heavily favored reactants or products are in this reaction?

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4) Consider the reaction between liquid bromine and fluorine to produce BrF3 gas:
Br2 (1) + 3 F2 (g) → 2 BrF3 (g) At 298.15 K, AGP of BrF3 (g) is -229.41 kJ/mol.
a) Develop the direction predictor equation for the reaction:
b) A flask contains liquid bromine, F2 gas with a partial pressure of Prz= 0.0060 bar and BFF3 gas
with a partial pressure of PBIF3 = 1.996 bar. Which way will this reaction go?
c) Describe what is happening here- in other words, explain how the two terms in
dG either
dx
favor or go against spontaneity at this point in the reaction. What does the answer to this
question say about how heavily favored reactants or products are in this reaction?
d) Make a rough sketch of G vs x. Label the relevant features and indicate where the conditions
of this problem are on the graph.
e) What is the sign of AS? How do you know? What is the sign of AH? How do you know?
f) A flask containing this reaction at equilibrium at 298 K has a partial pressure of BrF3 of 2.50
bar. What is the partial pressure of F2 in this flask? Is this answer consistent with your answers
to (c) and (d)? Explain.
g) Would the spontaneity of this reaction (under standard conditions) change with temperature?
Explain.
Transcribed Image Text:4) Consider the reaction between liquid bromine and fluorine to produce BrF3 gas: Br2 (1) + 3 F2 (g) → 2 BrF3 (g) At 298.15 K, AGP of BrF3 (g) is -229.41 kJ/mol. a) Develop the direction predictor equation for the reaction: b) A flask contains liquid bromine, F2 gas with a partial pressure of Prz= 0.0060 bar and BFF3 gas with a partial pressure of PBIF3 = 1.996 bar. Which way will this reaction go? c) Describe what is happening here- in other words, explain how the two terms in dG either dx favor or go against spontaneity at this point in the reaction. What does the answer to this question say about how heavily favored reactants or products are in this reaction? d) Make a rough sketch of G vs x. Label the relevant features and indicate where the conditions of this problem are on the graph. e) What is the sign of AS? How do you know? What is the sign of AH? How do you know? f) A flask containing this reaction at equilibrium at 298 K has a partial pressure of BrF3 of 2.50 bar. What is the partial pressure of F2 in this flask? Is this answer consistent with your answers to (c) and (d)? Explain. g) Would the spontaneity of this reaction (under standard conditions) change with temperature? Explain.
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