Find the percent ionization of a 0.337 M HF solution.  The Ka for HF is 3.5 × 10-4   % ionization =

Which of the following gases has the greatest molar entropy at 298K?

You inoculate a TSI slant, LIA slant, and SIM deep with a bacterium.  After incubation, you notice black coloration in each tube.  What is the common substrate in these 3 tests? 

What is the standard cell potential for the spontaneous reaction between these two half cells? Cl2 (g) + 2 e⁻  →  2 Cl⁻(aq)    E° = +1.36 V Fe3+ (aq) + 3 e⁻  →  Fe(s)       E° = -0.04 V

What gas is being produced in this TSI slant?   

The media used for testing antibiotic sensitivity in the Staph Tri-Plate is called?

What is the relationship between the following grapes: Spatburgunder, Pinot noir?

An organism has the most characteristics in common with members of its own:

The blood agar plate was used to test resistance/susceptibility of a particular Streptococcus to antibiotics Bacitracin and SXT. Which antibiotic/s is this Streptococcus species susceptible to?

2 different microbes were inoculated into 2 Nitrate media tubes and tested for the presence of the enzyme. Which of the tubes A or B shows a positive result for the production of the enzyme?