Balance the following equation. If the coefficient is one, put 1 in the blank.   C2H5SH + O2 –> CO2 + H2O + SO2

What component of the atom gives it its identity?

Prefixes are used to described base units in terms that relate to the subject being studied. For example we measure long distances in kilometers rather than meter or millimeters. It is important to understand what these prefixes mean. So, how many micrograms are in a megagram? Write your answer using scientific notation.

Calculate the range for this sample (note, data are the same for questions 4 and 5) 100, 4, 7, 96, 80, 3, 1, 10, 2

Calculate the median of the following data (note, data are the same for questions 1, 2, and 3)  18, 10, 15, 13, 17, 15, 12 ,15, 18, 16, 11

These microorganisms normally do not causes disease in people, however, when someone’s body immune defenses are compromised or weakened, these organisms can cause disease.  These organisms are known as ….. 

Match the proper definitions with the proper terms.

The toxin that is already a part and attached to the outer part of Gram negative bacteria and are released when the bacteria cells dies

A person whose immune system is weak and vulnerable to microbial pathogens, that person is known to be ….

Suppose a roll of plastic-coated wire contains an average of 0.8 flaws per every 4-meter length of wire. A QA engineer samples an 4-meter length of the wire and will accept the product if it contains zero flaws. What is the probability that the product will be accepted?