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Explain what should be the approximate chemical shifts number for protons found on the tert-butyl groups of BHT?
a) 1.5
b) 5
c) 7
d) 2.25
what is the equilibrium constant for this reaction of 25C? show work b.If mixture was preparedcontaining 1M glucose-6-phosphate and 1x 10^-3M glucose-1-phosphate. What wold be the thermodynamically favored direction for the reaction (why?)
How many grams of solid calcium hydroxide Ca(OH)2 are required to prepare 200 mL of a 0.05 M solution. Molar mass (formula weight) of Ca = 40.1 g/mol, O = 16.0 g/mol, and H = 1.01 g/mol.
Which group includes only exothermic processes? Cu(s) + H2SO4(aq) 11. In the reaction shown below, which substances are dissolved in water?
The amount of EDTA used for the titration was 13.49 mL. Calculate the total hardness (mg/L or ppm of calcium carbonate) for this water sample. Give your answer to one decimal place.
The H2 gas bubbles out of aqueous solution and is collected in a 457.0 mL container at 686.5 Torr and 25 C. define how many grams of zinc reacted. Be sure to account for the vapor pressure of water in the collected gas sample.
A compounds 'H NMR spectrum illustrates resonance at 5.47 and 3.94 ppm explain what possible structural subunits does the compound contain
The heat capacity of bomb calorimeters are determined by running a known, standard reaction. The combustion of 2.450 mmol of x caused the temperature of a bomb calorimeter to rise from 23.400
Calculate the pH of a solution prepared by mixing 1.00 g of imidazole with 1.00 g of imidazole hydrochloride and diluting to 110.5 mL. (FM of imidazole = 68.08. Ka for imidazole = 1.02 * 10-7.)
Determine what volume of N 2 is released at 0.915atm of pressure and at the temperature of 25 degree celcius from a tank full of liquid N 2 ? (d=0.808g/mL)
In addition to a-ketoglutarate, what other compound is produced in the transamination reaction in which oxaloacetate and glutamate react
A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 204.0 Torr at 45.0 °C. Calculate the normal boiling point of this liquid.
1-hexanol was prepared by reacting an alkene with either hydroboration-oxidation or oxymercuration-reduction. Draw the structure of the alkene that was used to prepare the alcohol in highest yield.
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