As O 2 ( l ) is cooled at 1 atm, it freezes at 54.5 K to form solid I. At a lower temperature, solid I rearranges to solid II, which has a different crystal structure. Thermal measurements show that ∆H for the I → II phase transition is −743.1 J/mol, and ∆S for the same transition is −17.0 J/K mol. At what temperature are solids 1 and II in equilibrium?
As O 2 ( l ) is cooled at 1 atm, it freezes at 54.5 K to form solid I. At a lower temperature, solid I rearranges to solid II, which has a different crystal structure. Thermal measurements show that ∆H for the I → II phase transition is −743.1 J/mol, and ∆S for the same transition is −17.0 J/K mol. At what temperature are solids 1 and II in equilibrium?
Solution Summary: The author explains that the freezing of O_2(l) to form solid I is given. The temperature at which these solids, I and II are at equilibrium is
As O2(l) is cooled at 1 atm, it freezes at 54.5 K to form solid I. At a lower temperature, solid I rearranges to solid II, which has a different crystal structure. Thermal measurements show that ∆H for the I → II phase transition is −743.1 J/mol, and ∆S for the same transition is −17.0 J/K mol. At what temperature are solids 1 and II in equilibrium?
Using the following two half-reactions, determine the pH range in which $NO_2^-\ (aq)$ cannot be found as the predominant chemical species in water.* $NO_3^-(aq)+10H^+(aq)+8e^-\rightarrow NH_4^+(aq)+3H_2O(l),\ pE^{\circ}=14.88$* $NO_2^-(aq)+8H^+(aq)+6e^-\rightarrow NH_4^+(aq)+2H_2O(l),\ pE^{\circ}=15.08$
Indicate characteristics of oxodec acid.
What is the final product when hexanedioic acid reacts with 1º PCl5 and 2º NH3.
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