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Construct a simulated 1H NMR spectrum for the given structural formula. Drag the appropriate splitting patterns to the approximate chemical shift positions; place the integration values in the small bins above the associated chemical shift. Splitting patterns and integrations may be used more than once, or not at all, as needed. Likewise, some bins might remain blank. Note that peak heights are arbitrary and do not indicate proton integrations.
identify the stronger acid in each of the following pairs a)NH4^+ or H3O^+ b)H2SO4 or HCN c)H2O or H2CO3
Caproic acid C5H11COOH is found in small amounts in coconut and palm oils and is used in making artificial flavors. A saturated solution of the acid contains 11 g/L and has a pH of 2.94. Calculate Ka for the acid.
A turn-of-the-century chemist isolated an aromatic compound of molecular formula C6H4Br2. He carefully nitrated this compound and purified three isomers of formula C6H3Br2NO2, one of which was obtained in very small amounts. Propose a structure fo..
What is the mass (in grams) of the precipitate when 8.05 g of barium nitrate reacts in solution with excess sodium carbonate
A sample that weighs 0.1586 grams contains only sodium chloride and potassium chloride was dissolved in water. It took 22.90 mL of 0.1000 AgNO3 to precipitate all of the chloride present.
72.0 mL of a 1.60 M solution is diluted to a volume of 268 mL. A 134-mL portion of that solution is diluted using 139 mL of water.
You obtain the following six measurements for the mass of water delivered by a special calibrated volumetric pipette
If 18.08 grams of ammonia (NH3) react, how many grams of water should theoretically be produced?
Assume no heat is lost to the surroundings. The normal boiling point of methane is -161.5 C. The specific heats of liquid and gaseous methane are 3.48 and 2.22 J/g.K, respectively. A)liquid B)gaseous C)solid
Determine symmetry types for all normal modes of vibration for NH3, which has trigonal pyramidal geometry C3v. Use the internal coordinates analysis method, i.e. 3 bond stretching, deltaD
Making a dilute solution, A student in lab class needs to provide a detailed description of how to make a dilute solution of 500 g
You collected a tissue specimen that you would like to preserve by freeze drying. To ensure the integrity of the specimen, the temperature should not exceed -10.5C. The vapor pressure of ice at 273.16K is 611 Pa
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