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Select a government agency (local/state/federal) and develop a four- to five-page APA-style paper summarizing the following:
Your paper must be four to five pages (not including title and reference pages) and must be formatted according to APA style as outlined in the approved APA style guide. You must cite at least three scholarly sources in addition to the textbook.
Suppose that 100.0 mL of a 0.120 M solution of magnesium chloride is mixed with 100.0 mL of .210M sodium hydroxide. Assume that the volumes are additive (which is only approx correct) and calculate the molarity of the chloride ion in the final sol..
Then use the estimate to calculate the heat of formation of ethanol from the heats of formation (in KJ/mol) of CO2: -?394, and H2O: -?242.
A situation with an industrial input of arsenic directly into the lake at 10kg/Day. The lake volume is 1.2 x 10^8 m^3, and the average depth is 10m.
Titanium (IV) chloride, TiCl4, can be used to produce titania by the sol-gel method. What mass of ceramic can theoretically be produced from 59g of TiCl4
The solubility of an unknown salt, M3Z2, at 25°C is 6.3 × 10-7 mol/L. What is the Ksp for M3Z2 at 25°C
Problem- A 5.50 L of sample of gas is cooled from 91 degrees Celsius to a temperature at which its volume is 4.10 L. What is this new temperature. Assume no change in pressure of the gas.
How many molecular orbitals are present in the valence band of a sodium crystal with a mass of 5.90g?
In 30% surplus air methane combustion the adiabatic flame temperature is higher by at least 50 degrees when species dissociation is neglected.
What is the expected pH of this solution. Estimate the free carbonate ion concentration in this solution. Estimate the concentration of carbonic acid in solution.
Express the concentration of a 0.0170 M aqueous solution of F-, in mass percentage and in parts per million. assume the density of the solution is 1.00g/ml
What advantages and disadvantages exist for both organic and inorganic solar cells? Describe the main barriers or technical difficulties associated with each.
Utilized hexanol rather than hexane as the TLC solvent. Explain how might this have affected the TLC results
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