Physical Evidence and Organic Analysis Famous Cases Chemistry Review Organic Analysis techniques Types of chromatography 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Final Jeopardy

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A-100 ANSWER: physical evidence is examined for this reason or for comparison QUESTION: What is identification?

A-200 ANSWER: these are properties, or characteristics that can be attributed to a common source with a high degree of certainty QUESTION: What are individual characteristics?

A-300 ANSWER: these are properties, or characteristics that can only be associated with a group QUESTION: What are class characteristics?

A-400 ANSWER: this is an example of an individual characteristic QUESTION: What is fingerprints, DNA profile, some tool marks?

A-500 ANSWER: this is an example of a class characteristic QUESTION: What is blood type?

B-100 ANSWER: in 2008, a worker found her skeletal remains in a trash bag in the woods. Her mother, Casey, was found not guilty QUESTION: Who is Caylee Anthony?

B-200 ANSWER: he murdered over 100 women, but only admitted to 30. The bodies of the dead women found in Utah had all been hit with a blunt object to the head QUESTION: Who was Ted Bundy?

B-300 ANSWER: He killed over 10 people by the age of 18, and even ate his Dad’s heart QUESTION: Who is Killer Petey

B-400 ANSWER: This case involves the death of approximately 900 people. Some had needle marks where poison was injected. QUESTION: What is the Jim Jones Massacre?

B-500 ANSWER: He killed 11 women in the 1800s. No one was ever charged. The suspects ranged from poor people to high profile people. QUESTION: Who is Jack the Ripper?

C-100 ANSWER: compounds based on the element carbon QUESTION: What are organic compounds?

C-200 ANSWER: the change from a solid directly to a gas QUESTION: What is sublimation?

C-300 ANSWER: a chart showing the frequencies and wavelengths of all forms of light QUESTION: What is the electromagnetic spectrum?

C-400 ANSWER: a tiny packet of light energy QUESTION: What is a photon?

C-500 ANSWER: the 2 forms of light on either side of visible light QUESTION: What are UV and infrared?

D-100 ANSWER: common organic analytical techniques include mass spectrometry, spectrophotometry, and this QUESTION: What is chromatography?

D-200 ANSWER: chromatography involves a stationary phase and this phase QUESTION: What is mobile?

D-300 ANSWER: the machine used in spectrophotometry that produces a graph called an absorption spectrum QUESTION: What is a spectrophotometer?

D-400 ANSWER: an analytical method of identifying a substance by its selective absorption of light QUESTION: What is spectrophotometry?

D-500 ANSWER: this technique takes the components from GC and produces a unique pattern that is very specific QUESTION: What is mass spectrometry?

E-100 ANSWER: the type of chromatography we used in the ink lab QUESTION: What is paper chromatography?

E-200 ANSWER: abbreviated GC, this type of chromatography’s mobile phase is a gas QUESTION: What is gas chromatography?

E-300 ANSWER: abbreviated HPLC, this type of chromatography has a stationary phase that contains little solid particles QUESTION: What is high performance liquid chromatography?

E-400 ANSWER: abbreviated TLC, this type of chromatography is like paper, but uses a glass plate QUESTION: What is thin-layer chromatography?

E-500 ANSWER: uses an electrical potential to separate molecules on a gel QUESTION: What is electrophoresis?