At constant pressure, the following reaction 2NO2(g) N2O4(g) is ...

[nummyann]

Question 1

At 699 K, ΔG° = –23.25 kJ for the reaction H₂(g) + I₂(g) 2HI(g). Calculate ΔG for this reaction if the reagents are both supplied at 10.0 atm pressure and the product is at 3.11 atm pressure.

◦ –13.6 kJ
◦ 13.6 kJ
◦ 9.7 kJ
◦ –36.8 kJ
◦ 36.8 kJ

Question 2

At constant pressure, the following reaction 2NO₂(g) → N₂O₄(g) is exothermic. The reaction (as written) is

◦ always spontaneous.
◦ spontaneous at low temperatures, but not high temperatures.
◦ spontaneous at high temperatures, but not low temperatures.
◦ never spontaneous.
◦ Additional information is needed.

[ankilker]

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