Drexel University

What are the benefits of having smaller particles in HPLC? - correct answers high efficiency, higher plate number, higher pressure, shorter run time, better resolution due to uniform flow (reduced A-term, multiple pathway) what is plate height? - correct answers length of column required for 1 equilibration of solute between mobile and stationary phases What are the drawbacks of having smaller particles in HPLC? - correct answers lower detection limit, resistance to solvent flow, increased...

You will use a water bath to heat the contents of your craig tube. Why not just heat the tube directly on the hot plate? - correct answers Rapid heat transfer might crack the tube or cause the solvent to bump If unsure which layer of your separatory funnel is the organic layer and which is the aqueous layer: - correct answers add a few drops of water to each layer to see if the water mixes in (aqueous layer) or forms a separate layer (organic) Whenever you heat liquids, especially near the...

nitric acid - correct answers primary acid for making explosives in N. America ANFO - correct answers ammonium nitrate fuel oil RDX - correct answers explosive used mainly for military ammonium nitrate fertilizer - correct answers most nitric acid is used to produce this Texas City, TX - correct answers nitric acid explosion in 1947 sulfuric acid - correct answers acid that is produced in largest amount in the US annually 100x - correct answers pH 1 is how many times more acidi...

What is a major safety concern for the griganrd lab - correct answers Et2O flammability What are two features of a good solvent - correct answers soluble at high temps, doesn't react with compound being purified Mixtures of two compounds will lead to what type of MP - correct answers lower and braoder ___________ solvents will dissolve the substance when hot, but not when cold - correct answers crystalization What leads to larger, purer crystals - correct answers slow cooling How...

The word(s) that Max Weber used to stress the need for sociologists to take into account people's emotions, thoughts, beliefs, understandings, and attitudes was - correct answers verstehen The division of an individual's identity into two or more social realities is referred to as - correct answers double consciousness Which of the following academic disciplines emphasizes the influence that society has on people's attitudes and behavior and the ways in which people shape society? - cor...

A student cheats on their exam because they did not have time to study because they were working two different jobs during the semester to try and pay for the class. strain theory Sociology Systematic and scientific study of human social behavior (including its origins, development, organization, networks, and institutions). Sociology particularly places special emphasis on studying societies, both as individual entities and as elements of a global perspective. If someone is arrested f...

Resocialization - correct answers the process by which one's sense of social values, beliefs, and norms are reengineered, often deliberately through an intense social process that may take place in a total institution. Socialization - correct answers the process by which individuals internalize the values, beliefs, and norms of a given society and learn to function as members of that society. Self - correct answers the individual identity of a person as perceived by that same person. I...

Deviance - correct answers Violation of norms Crime - correct answers Violation of the law Misconceptions about deviance: Some acts are inherently deviant - correct answers 1. No, they're related to time, place, context, and the status of the individual 2. Those in power have the advantage of defining what is deviant to suit themselves and often set the punishments for deviant behaviors Misconceptions about deviance: Those who deviate are socially identified and recognized - correct a...

C. Wright Mills - correct answers defined sociology as the intersection of society and how we see ourselves. He urged social reform and feared that powerful businesses would infringe on peoples' freedom. Sociology - correct answers the systematic study of human society What spurred the creation of Sociology? - correct answers Social upheaval in England, imperealism in France, and the emergence of the scientific method. Also, the industrial revolution. Auguste Comte - correct answers Co...

Sociology - correct answers Scientific study of human behavior. -implies that social behaviro is regular and patterend -takes place between individuals, small groups, large organizations, and societies. conventional wisdom - correct answers -subjective -ignores facts -varies across groups and cultures -based on myths and misconceptions -also called common sense Sociologial Imagination - correct answers Ability to see the relationship between individual experiences and larger soci...