Water Essays

Introduction: Ethanol can be created using two methods: acid catalysed hydration of ethylene and through fermentation of sucrose. The purpose of this experiment was to use fermentation to produce ethanol from commercial sucrose (store-bought sugar), using fractional distillation of the fermented solution. The percent ethanol in the fermented solution was …

1.Define dehydrating of explosives mixtures. Dehydration of explosives is the process of removing water from the explosive compound to reduce the amount of dilution that water would add to the mixture. It can be done by de-waterers, hydraulic press and alcohol as well as other means. 2.What constitutes the incorporating …

The body use water in all the cells, organs, and tissues to help regulate its temperature and maintain bodily functions. The body loss water through sweet, breathing, and digestion, to rehydrate is best to drink fluids and eat foods that contain water. The general effect is dizziness, sleepiness, inability to …

CIA Demonstration: Weighing on an Analytical Balance After you watch the above video, answer the questions below in sufficient detail: (a) (2 pts) What are the features of an electronic balance? Include all of those discussed in the video. Answer: Electronic balance features including electronic read-out and the tare. Electonic …

• Water is a precious resource, but not infinite, thus saving water is always essential even in areas with abundant water resources. In addition to saving household spending, saving water also helps prevent depletion of groundwater resources, prevent water pollution in the basin. • California is the most productive agricultural state in the union, …

Scenarios 1: Characterize the differences among untreated, primary-treated, and secondary-treated sewage and compare and explain the effects of dumping each type on the eutrophication of a pond and a fast-moving river. Answer 1: The general idea of wastewater treatment plants is to decrease the biochemical oxygen demand (BOD) and chemical …

Introduction The goal of the following experiment was to identify whether an unknown component of panacetin was acetanilide or phenacetin through recrystallization, the dissolution of an impure substance in a boiling solvent, and the examination of melting points from the obtained crystals of that process. Observations and Data A 50 …

Introduction The knowledge of physical and chemical properties of certain materials is important because very often process engineering deal with the transformation and distribution of these materials in bulk. One such property is diffusivity. Theory When a concentration gradient exists within a fluid consisting of two or more components, there …

Objective 1. To recover the benzoic acid and p-dichlorobenzene from its mixture from its mixture by using acid-alkali extraction. 2. To determine the percentage recovery and melting point of the recovered benzoic acid and p-dichlorobenzene. Introduction Acid-base extraction is a process which purifying the acids and bases from mixtures based …

I. Conditions of Premises Food establishments are all about its physical facilities, its contents and its surroundings or property. The exterior of the establishment including the building structure, parking space, landscaping, doors and windows. The exterior design is also responsible for attracting customers. The exterior must be clean, safe and …