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What is the molarity of a solution made by dissolving 25.6 g of KOH (5601 g/mol) in enough water to make 3.00 L of solution?
The element Europium exists in nature as two isotopes: 151Eu has a mass of 150.9196 amu, and 153Eu has a mass of 152.9209 amu.
Minimum bandwidth requirements using Nyquist citeria.A digital signaling system is required to operate at 9600 bps
The thallium (present as Tl2SO4) in a 7.80-g pesticide sample was precipitated as thallium(I)iodide. Calculate the mass percent of Tl2SO4 in the sample.
A sample of a mixture containing only sodium chloride and potassium chloride has a mass of 3.5650g.
Dry air near sea level has the following composition by volume: N_2, 78.08%; O_2 20.94%; Ar, 0.93%; CO_2 0.05%. the atmospheric pressure is 1.00 atm.
What are the states and stages?What is the recursive function?
A titration of 0.100 M Cl^- with 0.100 M Ag^+ used an end point where silver chromate gives an orange precipitate.
Linear programming for optimization using method of corners.This is liner programming problem for optimization of an objective function
Imagine that we give N2(+), O2(+) and (NO)+ ions the same velocity of 30.0 km/s and then send them into a mass spectrometer where the magnetic field.
A solvent called "mixed xylenes" contains the o-xylene, m-xylene, p-xylene and ethyl benzene.
After the reaction of the slag (solid residue) was analyzed. It contained 3.8 % Carbon, 5.8 % Phosprorus, and 26.6 % Calcium by mass.
If a 25gm sample of calcium carbonate is added to a 75.5 ml HCl (density = 1.125gm/cm3, 26% HCl by mass), calculate the molarity of the HCL
Linear Programming for profit optimization.The Exeter Company produces two basic types of dog toys
Forecasting Exponential Smoothing.Exponential smoothing with smoothing constant ? = 0.1. Use the actual value of the first period as the starting forecast
A cylindrical bar of gold that is 1.5 in. high and 0.25 in. in diameter has a mass of 23.1987g, as determined on an analytical balance.
Calculate the sodium ion concentration when 60.0 mL of 6.0 M sodium carbonate is added to 30.0 mL of 1.0 M sodium bicarbonate.
If the sun which is 93,000,000 miles away away from Earth was to go out, how long would it take for us to know that this had happened?
What is the molarity of a solution formed from 20.0 grams of NaCl dissolved in 650.0 mL of H2O?
Linear Programming Modification for Capital Budgeting.Need LP tutorial help involving optimization and the use of Solver.
Gasohol is a fuel additive containing ethanol (C2H6O) that combusts with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O).
Calculate molality, the mole fraction of water, and the percent by mass of sodium chloride.
Maximization of Profit for Cheese Spread Manufacturing.Megley Cheese Company is a small manufacturer of several different cheese products
What is the limiting reagent, how many moles of excess reagent will there be, and how many grams of each product will form?
Regression Optimization to Determine Price.You decide to buy'a diamond ring. To make sure you get a quality ring for your money