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Based off of pka values of 10 for phenol and 6.4 for carbonic acid, would sodium bicarbonate be a suitable base for separating phenol from a neutral organic compound via aqueous extraction?
derivatives of butanoic acid, Indicate how a butanoic acid can be converted to an a) acid chloride; b) acid anhydride; c) an ethyl ester, and d) an N-methyl amide
1. determine how many grams of o2 are present when mass of a sample of earths crust is of 328rm gg ? note down
Thallium and indium form +1 and +3 oxidation states when in compounds. Predict the fomulas of the possible compounds between thallium and oxygen and between indium and chlorine. Name the compounds
the ratio of the no of molecules in the excited state at the temperature of 213 K to the number of ground state molecules and the percent of the excited molecules at 213 K.?
You need to make 500 ml of 100 mM potassium phosphate buffer at pH 7.5. You have the stock solutions of KH2PO4 and K2HPO4 at 1M each. You will make the buffer by adding some of each of these stock solutions to water.
Calculate the pH at the equivalence point for the titration of 0.230 M methylamine (CH3NH2) with 0.230 M HCl.
List the penicillins that are classified as extended spectrum and relate their structure to their activity as well as their acid and ß-lactamase stability and potential side effects.
What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse osmosis from water that is 0.154 M in sodium chloride and 0.030 M in magnesium sulfate? Assume complete dissociation for electrolytes.
Assume that the coffee has the same density, 0.997g/mL , and specific heat capacity, 4.184\rm J/(g\cdot K) , as water over this temperature range.
the acidity of substituted benzenes and why it is so. Examples of molecules are p-nitrotoluene compared to m-nitrotoluene.
how many times faster will the reaction occur at 43circ rm c than at 0 circ rm c? how many times faster will the
sodium hypochlorite is potentially dangerous because of the basicity of ClO-. What is the [OH] in an aqueous solution that is 6.5% NaClO by mass? What is the pH of the solution
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