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1) State the difference between a soap, and a detergent?
2) What is the name for the alkaline hydrolysis of an ester?
3) Discuss the solubility of covalent compounds vs ionic compounds in polar and non polar media respectively.
4) Illustrate the mechanism by which soaps and detergents clean fibres.
5) Why does scum form in hard water areas. Why is this a problem, and how can it be overcome?
6) Some detergents are non biodegradable. What common structural features make a detergent non-biodegradable?
7) Which kind of structural features, seen in soaps and some synthetic detergents are readily biodegradable?
Consider the following cyclic process carried out in two steps on a gas: Step 1: 45 J of heat is added to the gas, and 10. J of expansion work is performed. Step 2: 60. J of heat is removed from the gas as the gas is compressed back to the initial..
Main objectives of the computer aided modeling and simulation system - Critically analyze the applicability, domain, features and advantages of the various systems available.
The amount of KOH solution required per hour. the adiabatic temperature of the reaction (no cooling is used
Design Options for Recovery of Acetic Acid from Aqueous Solution. The project involves the comparison of two methods for recovery of acetic acid from an aqueous solution. Your client is planning to add additional acetic acid production capacity of..
In an experiment to determine specific gravity of a soil sample, the following data is obtained:Mass of empty pycnometer 20.4 g Mass of pycnometer with soil sample 51.6 g Mass of pycnometer with soil sample filled with water 88.6 g Mass of pycnome..
What are the units commonly used in occupational exposure limits for quantifying the concentration of dust particles, vapours or gases and fibres? What does LD 50 mean in Industrial Toxicology
Implications of the future of fabrication for international trade, transportation, and logistics
A strip of metallic scandium, Sc, is placed in a beaker containing concentrated nitric acid. A brown gas rapidly forms, the scandium disappears, and the resulting liquid is brown-yellow but becomes colorless when warmed. These observations best su..
Carbon dioxide can be separated from other gases by preferential absorption into an amine solution. The carbon dioxide can be recovered by heating at atmospheric pressure. Suppose pure CO2 vapor is available from such a process at 80°C and 1 bar. Sup..
task onesummarize at least 4 methods of measuring temperature. only one of these methods may be one that was discussed
upon responding to a 200 a.m. domestic transportation mishap your hazmat team determines that a liquefied compressed
using the concept of a mass balance describe how environmental engineers and scientists model the carbon cycle in the
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