To analyze dissolved oxygen content in different water samples.
Water, of all the natural substances, comes closest to being the universal chemical solvent. This remarkable property makes it one of the most important components of all living organisms. Oxygen forms one of the abiotic factors governing the physiological and ecological operations of both plants and animals. It is the aerobic r ...continues
Biochemical oxygen demand is a measure of the potential damage that can be done to the dissolved oxygen content of a body of water by organic waste. A BOD is the amount of O2 required to degrade or decompose the wastes. Its name comes from the "demand" that organic carbon makes for O2 through biochemical (enzyme) oxidation. B ...continues
What is eutrophication?
Sodium Dichromate (Chromium) and its effects on the environment
So I have been doing research for a project and am having some difficulty getting started on a particular problem relating to sodium dichromate (Chromium). See attached file. Specifics: -120 km of road has Sodium Dichromate spilled on it. -Possible run off of Sodium Dichromate into side ditch which lead to dugouts. -Dugo ...continues
Sodium Dichromate (Chromium) and various effects on the environment?
I have searched the web, including HSDB, and EPA.. but am having difficulty finding some question regarding Sodium dichromate (Chromium (VI)) on cattle, fish, humans, and the enviro. The questions I have are: 1.) Finding the methods of calculating or assessing the effects of Sodium dichromate 2.) Is there also an anal ...continues
Mechanism of action of Sodium Dichromate upon ingestion
I am having a great deal of difficulty summerizing the mechansim of action of sodium dichromate upon human ingestion. I would greatly appreciate help with this topic. Also what does the interaction of copper sulfate with sodium dichromate do in a water situation? Does it change Cr (VI) to Cr (III)?
To whom it may concern, I am looking over a problem for my health risk course, and am having difficulties for an assignment... The assignment reads as follows. "The city is proposing to re-condition a high-level bridge next summer (May to September- Summer months) They will be sand-blasting the structure to remove the ...continues
1. Which do you consider to represent the greatest advancement: Quantum mechanics or discovering the shape of the DNA molecule--- and why? 2. Contrast the differences of the pre-Galileo concept of the universe and the Galilean concept. Discuss some of the impediments (and dangers) in the promulgation of his theories? Disc ...continues
Leachate- from landfills and groundwater
Well I am studying for my groundwater and soil class, and came across a section in my textbook that is not explained very well. It talks about leachate from landfills, but does not go in depth about what it is, and it's effects on groundwater. Since I am studying for my finals now, time is of the essence... can anyone expl ...continues
Interpretation of Friedman's The Lexus and the Olive Tree
Start by identifying the author's central thesis and then attempt to outline the key points of the author's main argument. Roughly ¾ of your essay should focus on summarizing the content of the book, whereas ¼ of it should be designated for presenting your own analysis and criticism. Your analysis and criticism may either addr ...continues
