@X@user.full_name@X@ @GMU: The vapor pressure of chloroform, CHCl3, (l) at 317.3 K is 407.1 mm Hg. What is the heat of vaporization if its normal boiling point is 334.8 K?

@X@user.full_name@X@ @GMU: Which pair of substances are bases in the reaction below?I- + H3O+ → HI + H2O

@X@user.full_name@X@ @GMU: If you raise the temperature and maintain a constant pressure from what it is at point 6 to that of point 7, you go from a ___ to _____.

@X@user.full_name@X@ @GMU: What is the value of Ksp in water, if 4.63e-6 M of A3B3 dissolves according to the reaction below?A3B3(s)→3A(aq) + 3B(aq) where A and B are ions

@X@user.full_name@X@ @GMU: How much energy in kJ is released to form one mole of 71Ga from protons, electrons, and neutrons if the nucleus has a mass of 70.924701 amu? The masses of the proton, electron and neutron are 1.00728 amu, 0.000549 amu and 1.00867 amu, respectively.

John Schreifels @GMU: What is the balanced reaction at the cathode for the following galvanic cell?Cr(s)| Cr3+(aq) || Cu2+(aq) | Cu(s)

@X@user.full_name@X@ @GMU: By how much would the rate of reaction (see below) change if the concentration of CO increased by a factor of 2.140. The rate law of this reaction is Rate = k2.NO2(g) + CO(g) → CO2(g) + NO(g)

@X@user.full_name@X@ @GMU: Which base listed below would be the best to creat a buffer having a pH of 9.6569?

@X@user.full_name@X@ @GMU: The osmotic pressure of a 13.075 mM solution of K3PO4 is 0.966 atm at 14.38 °C. How many ions per formula unit of K3PO4 must there be? The compound may not be completely ionic.

@X@user.full_name@X@ @GMU: The pH of a solution of HBr was 4.477. What was the hydronium ion concentration?