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When a chemical equation is balanced, it will have a set of whole number coefficients which cannot be reduced to smaller whole numbers.
Explain how to prepare 25 liters of a 0.10 M BaCl2 solution, starting with solid BaCl2.
Box Material Optimization.U-Pack-Em sells cardboard boxes for the do-it-yourself mover. Their most popular size has a volume of 2 cubic feet.
For the concentration of hydroxyl radical of 7.5E06 molecules/cm3 and a carbon monoxide concentration of 18 ppm
The phosphine that is produced by the reaction of water on calcium phosphide contains an impurity, another gaseous hydride of phosphorus.
Woodworking Company (Original Scenario).A certain new woodworking company manufactures and sells dining room tables and chairs
Fill in the blanks and please explain the steps to reach the solution. Mass of assembly + salt+ water after 4th addition: 39.05 g
Explain the source of the blue color of the solution after the reaction. Why was the blue color not apparent in the original solution of AgNO3?
A 2.115-g sample containing CuCO4 and excess KI is titrated with 32.55ml of o.1214M solution of NA2S2O3.
Markov Chain Problem with Four Parts.The beginning of each day, patient in a hospital is classified into one of three conditions
Stackhouse Corporation Linear Programming.Stackhouse Corporation makes a product which is essentially an assembly consisting
Avogradro's number (6.022 x 10^23 atoms/mol) is a useful number that can be used to calculate a number of different values.
Sample Solution: Linear optimization: Inventory Management
The alcohol content of hard liquor is normally given in terms of the "proof", which is defined as twice the percentage by volume of ethanol (C2H5OH) present.
The volume of an m&m candy is .65 mL. What volume in cubic meters, would one mole of m&m candies occupy?
A package of M&M candies contains 50 pieces. What fraction of a mole is this? Express in both normal and scientific notation.
Network Representation and Linear Transformation.The distribution system for a company consists of two plants, three warehouses
The sun has estimated mass of 2x10^36 and the sphere is of average radius of 6.96x10^5 km, calculate the average density of the sun in units of kg/km^3
A 0.250g sample of a compound containing only carbon and hydrogen whose molecular weight is 16g/mol is burned in oxygen to yield 0.784g CO2 and 0,642g H2O.
How many grams of oxyen are consumed, how many grams of CO2 & H2O are produced?
Network for Subcontractor and Linear Model for Minimizing Costs.A mechanical contractor pays his subcontractors a fixed fee plus mileage for work performed
The fluoride ion is very toxic. Not only does it interfere with glycolysis, but if forms an insoluble precipitate with calcium ions (Ksp = 4.13 x 10-11).
Linear programming to find maximum profit using excel solver.Worley fluid supplies produces three types of fluid handling equipment control valves
A utility company serves three cities from its three power plants. The power plant capacities and energy delivery costs per unit (in $) from each plant
Non-linear programming problem find minimum profit using excel