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In some jurisdictions, forensic chemists will testify based on data obtained only from presumptive tests. What are your views on this practice?
Some of this solution was transferred to a burett. What volume of solution should the student transfer into a flask
how do you synthesize 3-methyl-3-heptanol from 1-butanol using any solvents reagents needed or alcohols containing no
A buffer solution is prepared by placing 5.86 grams of sodium nitrite and 32.6 mL of a 4.90 M nitrous acid solution into a 500.0 mL volumetric flask and diluting to the calibration mark
How would you prepare 1.0L of an aqueous solution of sodium chloride having an osmotic pressure of 29atm at 27 degrees celsius. How many grams of NaCl are necessary
A voltaic cell consist of gold in a gold(III)nitrate solution and copper in a copper(II)nitrate electrode. Calculate cell potential if the [Au3+] is 0.00750M and [Cu2+]=1.50M at 25 degrees celsius.
What effect will increasing the temperature have on the system? Fe3O4(s) + CO(g) ?? 3 FeO(s) + CO2(g) DH°= +35.9 kJ A) No effect will be observed. B) The reaction will shift to the right in the direction of products.
environment canada used high altitude balloons to observe the ozone o3 levels in the atmosphere also use a similar
The value of Ka for monochloroacetic acid is 1.35 multiplied by 10-3. Calculate the pH of a 0.24 M solution of monochloroacetic acid.
What is the pH of the resulting solution if 50 mL of this solution is diluted to 1000 mL Kb = 0.00036.
The aluminum in a package containing 75 ft2 of kitchen foil weighs approx. 12 oz. Aluminum has a density of 2.70g.cm3. What is the approx. thickness of the aluminum foil in millimeters. (1 oz = 28.4g)
explain if you can use an integrated rate law to find the orders of each reactant in a reaction with more than one reactant
A gas filled balloon with a volume of 12.5 L at 0.90 atm and 294 K is allowed to rise to the stratosphere where the temperature is 268 K and the pressure is 1.0 millibar. What is the final volume of the balloon ? (1.0 atm = 1.013 bar).
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