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Lines in the Brackett series of the hydrogen spectrum are cause by emission of energry accompanying the fall of an electron from outer shells.
Linear Model and Optimal Solution.An oil company in Texas has three oil wells with capacities of 93, 88 and 95 thousand barrels per day respectively
A solution of sodium cyanide (NaCN)is prepared by dissolving 50 grams into 500ml of solution. What is the Molarity,%(w/v), and ppm of the resulting solution.
A material will float on the surface of a liquid if the material has a density of less than that of the liquid. Given density of water as 1.0g/mL.
Determination of density has many practical applications. Is a piece of jewelry pure gold or is it an alloy perhaps of gold and silver?
Optimization and Operations Research.Two players fight a duel as follows. Each has a (silent) gun with a single bullet.
Elemental sulfur occurs as octatomic molecules, S8. What mass of fluorine gas is needed for complete reaction with 218.48 g sulfur to form sulfur hexaflouride?
Optimization of Grafting an Artery.A surgeon is faced with the problem of grafting an artery. She wishes to minimize the resistance to the resulting flow.
Determine the percentage by mass of indium according to each formula, and explain how the error could be made.
The Ksubletterssp for silver(l) phosphate is 1.8x10^-18. Calculate the molar solubility of silver phosphate.
Integer Programming Problem: Package Express Carrier.A package express carrier is considering expanding the fleet of aircraft used to transport packages
What are the decision variable, objective function, and constraints.Using Excel, mathematically formulate a linear optimization model.
Add approximately 100cm^3 of water to 10cm^3 of whiskey - then fill up the flask to the 500cm^3 mark with water.
Linear Optimization - The Schutzberg Brewery Problem.What are the components of the least-cost blend that will result in a 3-percent beer?
Record the following masses: Mass of the empty crucible (g): 53.200g Mass of the crucible and hydrate (g): 58.200g
Statistical Analysis: Linear Optimization.Hilltop Coffee manufactures a coffee product by blending three types of coffee beans.
If matter is uniform throughout and cannot be separated into other substances by physical means, it is _______.
Minimum cost and maximum profit.The cost per unit produced at a certain facility is represented by the function
Minimum Cost And Dimension For Folding a Box.The problem is looking find the minimum material and dimensions needed to build a box
Calculate the monthly payment for a car purchase.The area of a triangle is equal to ½ the length of the base times the height of the triangle
The most intense absorption band in the visible spectrum of [Mn(H20)6}2+ is at 24,900 cm-1 and has a molar absorptivity of 0.038 mol -1 cm-1.
If a water sample is found to contain 0.015ppm of lead (Pb), how many grams of lead are in 3.00L of this water?
An irregularly shaped piece of metal with a mass of 114 g was placed into a graduated cylinder that contained 25.00 mL of water.
Splash Soft Drinks.Solver does not return a solution that makes sense to me. Particularly the highlighted parts of the worksheet.
After the first few ml's of the filtrate were discarded, 50ml of the filtrate was acidified with HNO3 and treated with 5ml aliquot of 0.1055M AgNO3