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Suppose that 10 people live on a street and that each of them is willing to pay $2 for each extra streetlight regardless of the number of streetlights provided. If the cost of providing x streetlights is given by C(x) = x2, what is the Pareto efficient number of streetlights to provide? (HINT: you have to calculate social marginal value and put it equal to marginal cost).
Calculate the required value of Ta1 if the film temperature falls to 34°C, and the value if it rises to 36°C.
Wal-Mart is the largest corporation in the world, and it has obviously enjoyed tremendous success. But while many welcome its location in their communities, others do not. Some complain that its presence has too many negative effects on a communit..
Finding the Heat of Reaction (Enthalpy) from Heats of Formation, Calculate the heat of reaction at the standard reference state for the following reactions
Calculate the molarity of each of the following aqueous solutions. a. 5.0 ppb Hg in H2O b. 1.0 ppb CHCl3 in H2O c. 10.0 ppm As in H2O d. 0.10 ppm DDT (C14H9Cl5) in H2O.
Mass of Compound Needed to Prepare 1 oz of a 10% Solution Hydroquinone, USP
The chemical reactor shown below has a cover (called a head) that is held in place by a series of bolts. The head is made of stainless steel (SG = 8.0), is 3 in. thick, has a diameter of 24 in., and covers and seals an opening 20in. in diameter.
You have a heat pump that takes in 256 kW of heat and puts out 604 kW of heat. What is the coefficient of performance (C.O.P.) of the system ( express this value as a fraction)?
A standard practice in refineries is to use a holding tank in order to mix the light naphtha output of the refinery for quality control. During the first six hours of operation of the refinery, the stream feeding the holding tank at 200 kg/min had 30..
Plain carbon steel would be a suitable material for the tanks, but it is essential that the polymer does not become contaminated with iron in storage. Suggest some alternative materials of construction for the tanks.
where V is the molar volume at temperature T, and a is a constant. Initially one mole of the gas is at temperature T1 and occupies volume V1. The gas is allowed to expand adiabatically into a vacuum so that it occupies a total volume V2.
A boiler is fired using 200 kg /hr of pure saturated hydrocarbon gas ( Cn Hm ) at atmospheric pressure and 20 oc. The dry analysis of the flue gas which leaves the boiler at atmospheric pressure and 300 oc is CO2 =..
at atmospheric pressure ethyl acetate and ethyl alcohol form an azeotropic mixture containing 53.9 mole of ethyl
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