The hydrogenation of ethene gas under standard conditions (T = 298K) shows a decrease in disorder (ΔS* = -120.7 J/(mol m*K)) during an exothermic reaction (ΔH* = -136.9 kJ/mol).
C_2H_4 (g) + H_2 (g) > C_2H_6 (g)
a. Explain how you would have predicted the sign of ΔS* for this reaction.
b. Explain what is happening to the disorder of the surroundings.
c. Determine whether the reaction is spontaneous or nonspontaneous by calculating ΔG°.
d. How would the spontaneity of the reaction change with an increase in temperature? Explain.
Answers: 3
Chemistry, 22.06.2019 16:00
Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.
Answers: 3
The hydrogenation of ethene gas under standard conditions (T = 298K) shows a decrease in disorder (Δ...
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