Research on the process of desalination with the use of distillation. Write how vapor-pressure lowering is utilized and draw a simple illustration on how the process undergoes.
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- How was the precipitate obtained after filtration? By scraping from the filter paper and transferring to a watch glass. By redissolving in hydrochloric acid. By drying the precipitate on the filter paper using a desiccator. By charring the filter paper and igniting the product in a crucible.What limitations are encountered in the apolication of sublimation as a general method of purification?Nitroethene, CH2CHNO?, is a very labile compound that must be prepared with care. Ifpurification of nitroethene s attempted, generally only small amounts are recovered, but theinner walls of the distillation apparatus are covered with a white film. Explain.
- It is said that the surface area of the boiling liquid should be kept as large as possible. However, why is it that too large of a distilling flask should also be avoided?Suggest the possible methods of separation of liquid–gas mixtures. Explain each method with an example. Explain and elaborate.write a chemical reaction scheme for the synthesis of salicylic acid from wintergreen based on the information provided below. Include the balanced chemical equation for the reaction being studied or conducted (reactants to products). indicate actual chemical structures that pertain to the experiment and indicate conditions as well as solvents over and under the reaction arrow.
- Can elastic hose use for pumping and transferring concentrated solution of CH3COOH for long time? If not let explain why and propose at least two types of material which are properly used in this case.a concentrated H2SO4 has the following composition specific gravity 1.84 and purity of H2SO4 is 97 percent by weight. express in mole/Ldont provide handwritiing solution ..
- dont provide handwriitning solution..Using the concepts of volumetry, classify statements as true or false. Justify the one(s) that you judge to be “false”. a) Constant weight is to repeat the entire analytical procedure, until 2 consecutive measurements of the scales vary in mass up to 0.002 g b) The nickel dimethylglyoximate precipitate is of the true crystalline type c) Gravimetric factor is the relationship between the mass of starting material and the mass of the product d) In direct determination, volatilization gravimetry, the volatilized sample is collected on a certain (previously determined) mass of appropriate adsorbent material (silica, alumina) and weighed up.Desalination is one possible process of extracting water from salty water ( from sea ) for industrial & domestic use. Briefly discuss and illustrate how to do it psychrometrically. attach the illustration pls