Blog

Which of the following represents the antibiotic that worked the most effectively against this bacteria? (Imagine this photo is arranged like a clock)

Which of the following is an alternative name for the Kirby-Bauer test?

This photo shows blood agar streaked with bacteria that undergo either full, partial, or no hemolysis. Which of the following is partially able to undergo hemolysis?

When a solution is prepared, the _____________________ is the component that is usually present in the largest quantity.  

In a B-Scan the returning echoes are affected by

Bases have pH values below 7 and are sour to taste.

What color does Citrate media turn if it is positive for citrate?

Label this question as Q-LR on your paper. 10 min. For all parts of this problem, ou must show all your work exactly as was demonstrated in class.  You must use one equation dimensional analysis.  Use correct sig figs, units, and circle your answer on your paper. Mn = Manganese = 54.938 g/mol O = 15.999 g/mol H = Hydrogen = 1.008 g/mol Cl = Chlorine = 35.453 g/mol Consider the reaction shown: MnO2 (s) +     4 HCl (aq) 

The picture represents the results of a tangent screen test.  What are the colored rings called?

Consider the balanced equation: 3AgNO3(aq) + Na3PO4(aq) → Ag3PO4(s) + 3NaNO3(aq) Of the following statements, which one is incorrect?  A) 9 moles of AgNO3will react with 3 moles of Na3PO4. B) 9 moles of AgNO3should react to form 3 moles of Ag3PO4, given sufficient Na3PO4. C) 3 moles of NaNO3should form when 1 mole of Na3PO4reacts with sufficient AgNO3. D)  6 moles of Na3PO4will react with 18 moles of AgNO3. E) 6 moles of Ag3PO4should form when 3 moles of Na3PO4react with sufficient AgNO3. Choose the letter of the correct response.