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1) Would you use UV spectrophotometry to screen for either or both of methamphetamine and diazepam compounds?
2) How can the relative scarcity of drugs that fluorescence be an advantage in some instances and a disadvantage in others?
The flask was removed, was quickly cooled to condense the volatile liquid, dried and weighed. The mass of the flask and the volatile liquid is 34.743 grams
a .242 g sample of naphthalene is burned in a bomb calorimeter containing 1025 g of water. the heat of combustion of
Calculate the mass of urea that should be dissolved in 201 g of water at 35°C to produce a solution with a vapor pressure of 37.1 mmHg.
Offer a brief explanation of why bandgaps for octet p-block semiconductors (1) decrease with increasing average principal quantum number
What is the potential of an electrode consisting of zinc metal in a solution in which the zinc ion concentration
In a candy factory, the nutty chocolate bars contain 22.0 by mass pecans. If 4.60 of pecans were used for candy last Tuesday, how many of nutty chocolate bars were made
Titanium is a strong, lightweight, corrosion-resistant metal that is used in rockets, jet engines, and bicycle grams. It is prepared by the reaction of titanium (IV) chloride with molten magnesium between 950 and 1150 degrees C via the following r..
Explain how the unsaturation test confirms that the desired reduction has taken place. (Refer to the reactions in the above question. Remember that bromine is orange and organic bromides are colorless)
If the initial temperature of the water in the calorimeter was 20.25 °C, calculate the calorimeter constant (in J/K) for the coffee cup calorimeter.
What are the poles of the following transfer functions?
the hydrated radius of hemoglobin is found to be 3.55 nm. How many water molecules hydrate a hemoglobin molecule?
A skyscraper in Pittsburg, built in the early 1970's, is supported by water filled columns. Potassium carbonate was added to the water to precent freezing during cold weather. If the solution is 40.0% K2CO3 by mass, what is the predicted freezing ..
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