What is the vapor pressure of a solution prepared by dissolving 0.75 mol of nonvolatile and nonelectrolyte solute in 95 g of ethyl alcohol, C2H5OH ? (Poethyl alcohol= 50.0 torr at 25oC )

For the reaction , N2(g) + 3H2(g) → 2NH3(g), the rate of formation of NH3 is 0.345 M/s. What is the corresponding rate of disappearance of H2 ?

Consider the following reaction: N2(g) + O2(g) → 2NO(g) If the initial concentration of N2 was 0.250 M and the concentration of N2 was 0.125 M after 0.100 s, what is the rate of the reaction?

What is the freezing point of a solution of 4.25 g of I2 (253.80 g/mol) in 50.0 g of benzene? (Freezing point of benzene = 5.5 oC, Kf for benzene = 5.12 oC/m) 

The vapor pressure of a liquid is 47.1 kPa at 501 K and 10.5 kPa at 489 K. What is the enthalpy of vaporization of the liquid ? You must show all of your work including units for credit.

Select the strongest intermolecular force in each of the following. 1) I2 – 2) CH4 – 3) NF3 – 4) BF3 – 5) CH3Cl –

What Kidd antibody will react with all panel cells and phenotype as Jk(a-b-)?

Select the substance with the stronger dispersion force from each of the following pairs. 1) Cl2 or Br2 2) CO2 or CS2 3) SiCl4 or CF4

What characteristic differentiates Ss antigens from MN antigens?

An antibody that reacts in the IAT phase of the antiglobulin test and whose antigen expression is depressed by the In(Lu) gene is: