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particularly those in whom bacteremia may have developed, should be hospitalized and given parenteral aqueouspenicillin G(e.g., 2 million units every 4 to 6 hours). If a possible staphylococcal etiology is suspected,vancomycin(1 g every 12 hours) should be initially administered to hospitalized...
Why does the brownish color of an aqueous elemental iodine solution disappear when a few crystals of Na_2S_2O_3 are added to it? Why do transition elements form colored compounds? Explain why you would or would not expect to observe a color change if F e C l 3 were added to the fol...
pH describes how acidic or basic a solution is. Whether an aqueous solution reacts as an acid or a base depends on its hydrogen ion (H+) content. In fact, the term "pH" originates from Latin and is an acronym for "potentia hydrogenii" - the power of hydrogen. ...
Thus, we hypothesized that the water-soluble nsLTPs localized in the cell wall could facilitate the transport of the non-polar molecules through this aqueous cellular compartment. According to the model, the effect on VOC flux depends on several parameters including (i) the cell wall nsLTP ...
What is the molarity of a 750 mL aqueous solution that contains 150 g sodium iodide? Calculate the molarity of a solution prepared by dissolving 0.170 moles of potassium iodide (KI) in enough water to make 250.0 mL of KI solution. A calcium iodide solution is made ...
You need to make an aqueous solution of 0.216 M barium iodide for an experiment using a 300 mL volumetric flask. How much solid barium iodide should you add (in grams)? What is the molar mass of ammonia? A salt contains only barium and one of the halide ions. A 0.158 g sample of ...
The aqueous solution obtained is evaporated down up to the point of removal of the retained nitrous compounds and of the water. The product obtained is a semi-solid light brown water soluble mass permeated with crystals, and contains the desired sulphonic acids. Example II The mercaptans ...
(Fig.1A–D). However, compared to the wild type,osccrl1mutant anthers dehisce abnormally, without any cracking of the apexes or bases (Fig.1C, D). In addition, pollen iodine potassium iodide (I2/KI) staining revealed no viable pollen inosccrl1anther, which showedosccrl1was completely ...
("MeOH"), 1000 ml 3% aqueous NaHCO3solution was added, and the mixture was concentrated in vacuo to remove most of the MeOH. The solid was filtered off and the aqueous filtrate was acidified to pH 1 with 6N HCl at 0° C., and extracted with ethyl acetate ("EtOAc", 2×400 ml)....