@X@user.full_name@X@ @GMU: LiCl has a face-centered cubic un…

@X@user.full_name@X@ @GMU: LiCl has a face-centered cubic unit cell in which the Cl- anions occupy corners and face centers, while the cations fit into the hole between adjacent anions. What is the radius of Li+ if the ionic radius of Cl- is 181.0 pm and the density of LiCl is 2.068 g/cm3?

John Schreifels @GMU: What is the total entropy change at 25…

John Schreifels @GMU: What is the total entropy change at 25oC for the reaction below, if the standard entropies of reactants and products are So(C(gr)) = 5.74 J/mol*K, So (H2(g)) = 130.68 J/mol*K, and So (C5H8(g)) = 331.1100J/mol*K and the heat of formation of C5H8(g)) is 144.4200 kJ/mol.C5H8(g) → 5C(gr) + 4H2(g)

@X@user.full_name@X@ @GMU: What is the potential of a cell a…

@X@user.full_name@X@ @GMU: What is the potential of a cell at 25oC for which the reaction below applies, if the molar concentrations of Ni2+(aq) and H+ are 0.164 M and 2.88e-6 M, respectively? The H2(g) pressure is 1 atm at 25oC.2H+(aq) + Ni(s) → Ni2+(aq) + H2(g) Ecoell = 0.260 V

@X@user.full_name@X@ @GMU: What is the temperature at which…

@X@user.full_name@X@ @GMU: What is the temperature at which the reaction below becomes spontaneous, if the standard entropies of reactants and products at 25oC are So (C(gr)) = 5.74 J/mol*K, So(H2(g)) = 130.68 J/mol*K, and So (C8H14(g)) = 446.3500J/mol*K and the heat of formation of C8H14(g)) is 82.4600 kJ/mol?C8H14(g) → 8C(gr) + 7H2(g)