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Arrange the items on the food chain according to increasing mercury levels: microorganisms, people, small fish, and sharks.
Determine the error in the molar mass of Mg(ClO4)2. If 0.982(+/- 0.002)g is dissolved in a 250 mL (+/-0.08 mL) volumetric flask and water added to the mark, what is the concentration and error in the concentration of ClO4-?
Draw a flow chart that illustrates how you would purify an organic compound that is contaminated with inorganic solids that are water soluble
The entropy of sublimation of a certain compound is 7.2 J / K mol at its normal sublimation point of 76 C. Calculate the vapour pressure in torr of the compound at 28 C.
provide a detailed "curved arrow" reacton mechanism for each step in the indium mediated Barbier Reaction of cinnamyl bromide 1 with benzaldehyde
Calculate concentration of NaClO solution from that equation and calculate How many grams of this nuclide in a sample of 4.00 g will remain after 112 years?
Determine the pH of 263 ml of solution which has [NH4I] = 0.300 M. Kb = 1.74 × 10-5 for NH3(aq)
A solution prepared by mixing 100 mL of 0.2 M glycine and 100 mL of 0.2 M Cu2+ is adjusted to a pH of 7 with NaOH. Calculate [Cu2+], [CuA+], [CuA2], [HA], and [A-] in the solution.
What is the mole fraction of Kr if the partial pressure of Xe and Ar are 1.60 atm and 2.8 atm, respectively?
If the silver -silver chloride electrode is replaced with a saturated calomel electrode, what is the new cell voltage?
Tell me if an induced current would exist, if you had a coil and a magnetic field that both were in motion at the same time.
specific brand of gourmet chocolate candy contains 7.00 rm g of dietary fat in each 22.7-rm g piece. How many kilograms of dietary fat are in a box containing 4.00 lb of candy?
To prepare 5.0 L of a 3.50 M solution of Potassium Hydroxide (KOH), how many grams of Potassium Hydroxide must be used?
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