Write the answers on paper. After you are done, show the answers on the webcam. After you complete the entire exam, take a photo of the answers, crop, make sure it is clearly seen, and submit it in the assignment titled Exam2 Work within 10 minutes.  If your submission do not match with the work shown on the webcam, you will receive NO credit. Barium has a body-centered cubic structure. If the atomic radius of barium is 222 pm, calculate the density of solid barium. Do not put the unit in the answer below, but make sure to show it in your work.

What is endosymbiotic theory?

Error analysis, standard protocols, and turnaround time are all part of the:

If the confidence interval for most laboratories is 95.5%, what is the acceptable range for hemoglobin if a hemoglobin control was run with a mean of 12.5 g/dl and a standard deviation of +/- 1.0 g/dl

List any four of the life functions

Jerry Fan is browsing in a sports memorabilia store inside a sports stadium complex of his favorite team. Prominent signs are posted in several places throughout the store: “Please be careful in handling merchandise. If you damage merchandise, you will be responsible to pay for it.”  Jerry picked up a porcelain figure of his favorite player to examine it.  The figurine slipped out of his fingers and smashed into pieces on the floor.  The figurine had a price tag of $1,500. Does Jerry have a contract with the store under which he is committed to pay it $1,500?

Events that occur prior to operant behavior are called ____________ stimuli.

Briefly summarise the principles of triple-quadrupole MS and ion-trap MS and speculate on which may be best for structural elucidation.      

Fortune Hunter used to work as the butler of the mansion of NBA star Hoops Smith.  After Hunter was fired for incompetence, he sued Hoops for $1 million, alleging that he was sexually harassed and emotionally abused by Hoops’ wife.  Hoops believed that the claim was without substance but did not want any scandal in his household so he offered to settle the claim out of court for $10,000.  Hunter accepted, and a settlement agreement was executed. After the agreement, Hoops had second thoughts and refused to pay Hunter. Does Hunter have a valid contract claim arising from the agreement?

For each part below; outlining a particular application of analysis, assess what the aim and challenge would be and justify the most appropriate mass analyser for use in each; 1)  Drug impurity analysis                       [2.5] 2)  Drug metabolism studies                  [2.5] 3)  Protein analysis                                  [2.5] 4)  Peptide analysis                                 [2.5]