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@X@user.full_name@X@ @GMU: To what temperature would you have to heat Ni(l) to cause its vapor pressure to become 186.4 mm Hg if its heat of vaporization and boiling point are 428.00 kJ/mol and 3005.2 K, respectively?

@X@user.full_name@X@ @GMU: The osmotic pressure of an unknown solution is 403.809 mm Hg at 17.78 °C. Which of the solutions below is the most likely one? Assume any salt is completely ionic!

@X@user.full_name@X@ @GMU: What is the rate constant at 503.62°C for the reaction below if the rate constant is 1.05e-3 M-1/2s-1 at 486.00°C and the activation energy is 207.00 kJ/mol?CH3CHO(g) → CH4(g) + CO(g)

@X@user.full_name@X@ @GMU: The reaction below is an endothermic reaction. What would one have to do to increase the size of the equilibrium constant?2SO3(g)→2SO2(g) + O2(g)

@X@user.full_name@X@ @GMU: What would the pOH be after addition of 15.43 mL of 0.1000 M NaOH to 25.00 mL of 0.1000 HA (a weak acid, Ka = 2.78e-6)?

@X@user.full_name@X@ @GMU: How much energy in kJ is released to form one mole of 87Rb from protons, electrons, and neutrons if the nucleus has a mass of 86.909187 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: What is the conjugate base and base dissociation constant of H2O if its acid dissociation constant is 1.000×10-14 ?

@X@user.full_name@X@ @GMU: What is the vapor pressure of Ga at 2416.0 K if its heat of vaporization and normal boiling point are 272.00 kJ/mol and 2676.2 K, respectively?

@X@user.full_name@X@ @GMU: What is the rate of consumption of C (M/s), if the rate of consumption of A is 0.231 M/s? Use the reaction below:2A + 3B + 4C → products

@X@user.full_name@X@ @GMU: Which reactant in the reaction below is an acid (this one first in the answer) and which reactant is a base?F- + HS- → S2- + HF