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Topic :: Solvent
explain circumstances under which dissolution of solvent and insolvent partners are applicable using garners v/s murray rule
KSOU,
2235adams a debtor for R600 had been declared insolvent and part of his debts has to be written off. The attorneys informed you that an amount of 25c in the rand will be paid and the rest must be written off
1687A 1.5 weight % aqueous salt solution is concentrated to 4 weight % in a single-effect evaporator. The feed rate to the evaporator is F = 7500 kg / h and the feed is at 85 degree Celsius. The evaporator operates at 1 bar. By assuming that only pure solvent of water exists in the form of vapor from the feed, calculate the flow rate of such vapor V.
1 4429Question 51 - A batch reactor is designed for the system of the irreversible, elementary liquid-phase hydration of butylene oxide that produces butylene glycol. At the reaction temperature T = 323 K, the reaction rate constant is k = 0.00083 L / (mol - min). The initial concentration of butylene oxide is 0.25 mol / L = Ca. The reaction is conducted using water as the solvent, so that water is in large excess. (a) Let the molecular weight of water is 18 g / mol and the mass of 1 kg in 1 L of water, calculate the molar density of water, Cb in the unit of mol / L. (b) Determine the final conversion, X of butylene oxide in the batch reactor after t = 45 min of reaction time. Use the formula X = 1 - 1 / exp [ kt (Cb) ] derived from material balance. (c) Find the equation of t as a function of X.
1 2946How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
3167CHEMICAL MATERIAL BALANCE - EXAMPLE 2.3 : A 1.5 weight % aqueous salt solution is concentrated to 4 weight % in a single-effect evaporator. The feed rate to the evaporator is F = 7500 kg / h and the feed is at 85 degree Celsius. The evaporator operates at 1 bar. By assuming that only pure solvent of water exists in the form of vapor from the feed, calculate the flow rate of such vapor V.
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How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon
X is strong but has a very low density (1% of traditional earth materials.) and hence light weight. It is a recyclable material. The compression behaviour of X is strain rate dependent. Higher strain rates result in higher initial modulus and higher compression strength. It can also withstand unlimited number of cycling loading provided the repetitive loads are kept below 80% of the compressive strength. The internal structure of the material includes air-traps which make it poor heat conductor. X is non- biodegradable and chemically inert in both soil and water. Most acids and their water solutions do not attack it; however strong oxidizing acids do. Solvents which attack X include esters, ketones, ethers, aromatic and aliphatic hydrocarbons and their emulsions, among others. It does not support bacterial/fungal growth as well .It also has significant acoustic properties and effectively reduces the transmission of airborne sound. X is combustible and should not be exposed to open flame or other ignition sources. Combustion products are carbon monoxide, carbon dioxide, water and soot. Long-term exposure to sunlight causes yellowing and a slight embrittlement of the surface due to ultraviolet light. X is able to withstand the rigours of temperature cycling, assuring long-term performance.
How can I assign a retest date for solvents e.g. toluene, methanol, etc?
in case dedit balance of solvent partner and in case credit balance of insolvent partner what i do for accounting on dissolution of partnershio firm give me ans. as per garrner v/s murry rule
How do you explain the different solvent power of water and other organic solvent?
Why methanol cannot be used as solvent in IR spectroscopy?
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.
explain circumstances under which dissolution of solvent and insolvent partners are applicable using garners v/s murray rule
adams a debtor for R600 had been declared insolvent and part of his debts has to be written off. The attorneys informed you that an amount of 25c in the rand will be paid and the rest must be written off
solution =2oolitre ,solute =Polyelectrolyte,Solution=water ,we have to prepare 1% solution.how much solute And Solvent?
Q13. Journalise the following transactions: Proprietor withdrew for private use Rs.4000/- from bank and 6000/- cash. Goods Costing Rs.5000 was burnt by fire. Purchase Machinery for cash Rs.150000/- and paid Rs.2000/- on its Installation. Charge 5% Depreciation on building costing Rs.200000/- and 8% Depreciation on Furniture costing Rs.5000/-. Prepaid Salary Rs2000/- Kapil who owed us Rs20000/- become insolvent and nothing is received from his estate.
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
What is the diference between residual solvents and organic volatile matter
we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
