If the reaction Fe2N(s)+32H2?2Fe(s)+NH3(g)comes to equilibrium at a total pressure of 1 bar, analysis of the gas shows that at 700. and 800. K, PNH3/PH2 = 2.165 and 1.083, respectively, if only H2(g) was initially present in the gas phase and Fe2N(s) was in excess.

Calculate KP at 700. K.
Calculate KP at 800. K.
Calculate ?H?R assuming that it is independent of temperature.
Calculate ?S?R at 700. K.
Calculate ?S?R at 800. K.
Calculate ?G?R for this reaction at 298.15 K.

indium, and thallium have three electrons i think

"among the transition metal elements, manganese and zinc have a slight lowering of electronegativities. the reason behind this is that the nuclear charges of these elements are slightly weaker than the other transition metal elements due to the way their valence electrons are filled up. both manganese and zinc have their valence electrons filled up to the 4th shell with 1 pair of electrons (4s2) completely occupying it. although the electrons in the 3rd shell (3d) are yet to be paired since the outer most shell is filled up, the ability of the nucleus to attract electrons is lessened. hence,   the electronegativity (or the ability to attract electrons) is lessened."

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