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What things might I do with respect to HPLC to increase resolution (peak separation)? What disadvantages are there to each of these modifications?
Phosphorus-32 has a half-life of 14.0 days . Starting with 2.00 g of P^32, how many grams will remain after 70.0 days?
suppose a standard strong-base solution was prepared byweighing out 1.934g of naoh in 500ml of water. this solution
Make sure that the final answer is expressed in the correct number of significant figures.
the background section describes why you want the bleach to be far in excess of the dye. state how much greater the
Draw the skeletal structure of the major organic product produced when 2-methylpropanoyl chloride reacts with 3-methylbutanoic acid
coal-fired power generationcompared with other fossil fuels flaming coal produces relatively large amounts of
How many grams of precipitate are formed if 0.27 grams of barium nitrate is mixed with 0.2 L of 0.8 M potassium carbonate?
What functional groups can you identify within the coumpounds; dioxin, Furan, Hexachlorobenzene, what structural features
1-If 10.7 mL of 0.105 M NaOH is required to reach the first equivalence point of a solution of 0.050 M citric acid, a triprotic acid, how many mL (total) of NaOH are required to completely titrate all three of citric acid's protons
A buffer, consisting of H2PO4- and HPO42-, helps control the pH of physiological fluids. Many carbonated soft drinks also use this buffer system. What is the pH of a soft drink in which the major buffer ingredients are 8.00 g of NaH2PO4 and 6.70 g..
A solid sample containing some Fe^2+ ion weighs 1.062 g. It requires 24.12 mL 0.01562 m KNno4 to titrate Fe^2+ in the dissolved sample to a pink end point
If a reaction takes 8 hours to complete at 15 C, which of the following is most likely true if the same reaction is carried out at 45 C A. the reaction will be faster B. the reaction will be slower C. the reaction will take the same amount of time..
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