Dissolved Oxygen Laboratory Report Essay Essay Example.
Phosphates and dissolved oxygen. - Phosphates are present in many natural waters, such as lakes and streams. Phosphates are essential to aquatic plant growth, but too much phosphate can lead to the growth of algae and results in an algae bloom. Too much algae can cause a decrease in the amount in dissolved oxygen in the water.
We also predict that all of our experimental variables will contain more dissolved oxygen than our control, the distilled water. Distilled water contains no organisms, is stagnant, and is kept at room temperature. These all contribute to a lower dissolved oxygen concentration.
Under the condition of high temperature, oxygen gas forms weak molecular bonds with the water molecules. As a result, oxygen molecules will rise towards the surface and escape to the atmosphere, consequently reducing the amount of oxygen gas dissolved in the water.
Conclusion At the conclusion of the Dissolved Oxygen lab experiment, the K’ value from the equations listed previously helps to determine the correct solution that match the criteria put forth by the problem statement. Measurements were taken from the water flow through six PVC pipes.
Conclusion:-The Dissolved oxygen exists in water in a certain level. If any drop happens below this level the life forms in the water are unable to continue at a normal rate. It can cause killing of fishes and the growth of certain types of weeds which has a negative effect on the aquatic life.
Title: Pontoosuc Lake and Lake Stratification Abstract: The purpose of this lab was to examine the distribution of heat and dissolved oxygen throughout the water column from surface to bottom. We then will take this evidence and examine the profile for evidence of stratification or mixing.
More than 1000000 free essays. 2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water.
Essay text: Oxygen is administered to patients whose breathing is impaired and also to people in aircraft flying at high altitudes, where the poor oxygen concentration cannot support normal respiration. Oxygen-enriched air is used in open-hearth furnaces for steel manufacture.
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In conclusion, the effluent coming out. Using a Dissolved Oxygen Electronic Reader, equipped. Dilutions were determined in the lab according to how much BOD is estimated in the sample, and the dilution is with water that had been given nutrients so that Bacteria can feed on it. Each dilution was in a 305 mL glass bottle.
Analyze the effects of various factors on the level of dissolved oxygen in a water sample (e.g., salt content, temperature, degree of mixing, and the presence of reducing compounds). Discover the.
Dissolved Oxygen and Water Depth essay Place an order Since the first formation of the hot ball that became known as the Earth, life has continued to evolve in mysterious ways.
Measurement of Dissolved Oxygen This part of the lab required a sample bottle of water from a natural source, a BOD bottle, thermometer, mangonous sulfate, alkaline iodide, thiosulfate, a 2-mL pipette, sulfuric acid, a 20-mL sample cup, a white piece of paper, starch solution, and a nomograph.
Sci 207 Essay. Exercise 1: The Scientific Method Dissolved oxygen is oxygen that is trapped in a fluid, such as water. Since many living organism requires oxygen to survive, it is a necessary component of water systems such as streams, lakes and rivers in order to support aquatic life.
Oxygen Cycle Oxygen Cycle Every living being on the planet is a common consumer of oxygen. Oxygen is consumed as the result of respiration process that enables a living being to produce energy by breaking the food for its energy content. This energy is further utilized to perform every day tasks.
These consequences can be analyzed through the help of the chemical oxygen demand lab that offers a guide on the quality of water discharged. This coupled with chemical oxygen demand values of effluents and influents suggest that the higher the value of chemical oxygen demand values, the higher the amount of organic matter in the test water that can be oxidized.