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A liquid solution of LiCl in water at 298.15 K (25°C) contains 1 mol of LiCl and 7 mol of water. If 1 mol of LiCl.3H20(s) is dissolved isothermally in this solution, what is the heat effect?
The products of the reaction are the AuCl46- ion and gaseous NO. Write a balanced equation for the dissolution of gold in aqua regia.
Non -zero heat flux component , since temperature changing in r - direction only , qr is present , the control volume , dr , as shown - Heat flux entering the control volume at r= r = qr = 4.π.r^2. qr|r
The efficiency at rated load, 0.8 power factor lagging, and at half-load, unity power factor.
The cost of the stoichiometric amount of feed required to make the product is 3 $/kg. Propose preliminary targets for cost of production and yields.
Two rods, one of butadiene rubber (BR) and one of high-density polyethylene (HDPE), are rigidly connected in series. The BR rod is 1m long with a diameter of 10mm, while the corresponding dimensions for the HDPE rod are 0.8m and 5mm, respectively.
Suppose that for mass transfer of species A from a fluid flowing over a flat plate the Schmidt number is much less than one (Sc
Check the values given for the discounted-cash-flow rate of return and net present worth. If the company requires a minimum rate of return of 10 percent, which system should be chosen?
What number of acidic hydrogens per molecule does citric acid have?
The heat capacity at constant pressure of hydrogen cyanide is given by the expression Cp[J/(mol ·°C)] = 35.3 + 0.0291T(°C) (a) Write an expression for the heat capacity at constant volume for HCN, assuming ideal gas behavior.
The total volume of hydrogen gas needed to fill the Hindenburg was 2.0 108 L at 1.0 atm and 25C. How much heat was evolved when the Hindenburg exploded, assuming all of the hydrogen reacted?
A civil engineer is designing a road. At what angle should he bank the road surface in a curve of radius 70m so that there is no tendency for a vehicle traveling at 90 km/h to slip sideways, either up or down the banking.
The product may bemobile or immobile; since the reaction is irreversible, it does not matter. Thisreaction shows the solute's penetration across the film. Write mass balancesfor the solute and the immobile reagent.
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