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1) Compute the pH at the temperature of 25 0C of a solution prepared by mixing 50 mL of 1.60 M sodium hydroxide solution to 0.5 of .0850 M Furoic acid HC5H3O3.
2) How do you compute the density of Helium (He) in g/L in a stratospheric weather balloon at an altitude of ca 15,000 m; t = - 43 oC, and P = 66,000 Pa?
Describe how and why the ferric chloride test can be used to detect whether your reaction has gone to completion.
A chemist adds 120.0mL of a 1.12mol/L silver nitrate solution to a reaction flask. Calculate the mass in grams of silver nitrate the chemist added to the flask
Starting with needed alkanes, alkenes and inorganic regrets, devise syntheses for the following compounds. Yout method should produce each compound in good yield and free of isomers.
How many milliliters of 0.125 M HCl are needed to completely neutralize 48.0mL of 0.102 M Ba(OH)2 solution? How many milliliters of 0.122 M H2SO4 are needed to neutralize 0.210g of NaOH?
How much HCl must be added to a liter of buffer that is 1.5 M in acetic acid and 0.75 M in sodium acetate
55.0 mL of a 1.70 M solution is diluted to a volume of 288 mL. A 144 mL portion of that solution is diluted using 181 mL of water. What is the final concentration?
What happens to the body that allows it to compensate (over this period of time) for the reduced pressure , so that the athletes will not become lightheaded?
The combustion of ethanol, C2H6O (MW = 46.0 g/mol), produces CO2 (MW = 44.0 g/mol) and water (18.0 g/mol). In a lab experiment, the reaction occurs using 4.60 g of ethanol in a 1.00 L container at body temperature (310 K) and 0.970 atm according t..
Octane has a density of 0.692 g/mL at 20 degrees celsius How many grams of oxygen are required to burn 1.10 gal of octance.
Glycerine (glycerol) CH2-OHCH2-OH has a greater resistance to flow (viscosity = 94) than ethanol CH3CH2OH (viscosity = 1.08)
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
Determined an aliquot of 0.03526M potassium permanganate solution required to make 100 mL of a 10-3 mol/L solution.
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