@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)

@X@user.full_name@X@ @GMU: How much energy in kJ is released…

@X@user.full_name@X@ @GMU: How much energy in kJ is released to form one mole of 197Au from protons, electrons, and neutrons if the nucleus has a mass of 196.966543 amu? The masses of the proton, electron and neutron are 1.00728 amu, 0.000549 amu and 1.00867 amu, respectively.

@X@user.full_name@X@ @GMU: Calculate the [H3O+] of 107.61 mL…

@X@user.full_name@X@ @GMU: Calculate the of 107.61 mL of a buffer initially consisting of 0.1647 M CH3(CH2)2CH2NH2 and 0.1877 M CH3(CH2)2CH2NH3NO3 after addition of 0.0020 mol of HCl. Assume that no volume change occurs after addition of the acid. The Kb of CH3(CH2)2CH2NH2 is 4.10e-4