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A perfect percent yield would be 100%. Based on your results, describe your degree of accuracy and suggest sources of error.
An oligomeric protein has a molecular weight of 168000. A 420 mg sample was treated with an excess of 1-fluoro-2,4-dinitrobenzene (Sanger\'s reagent) until the reaction was complete
a sample of sodium reacts completely with 0.213 of chlorine forming 351 of sodium chloride. what mass of sodium
What volume of hydrogen gas, in liters, is produced by the reaction of 4.17g of iron metal with 60.0 mL of 3.00M HCl?
Describe the three types of models (layer sequence drawings, computer graphics, balls and sticks) used for visualizing the three dimensional structure of unit cells
Why is benzoic acid extracted into the aqueous phase when using sodium bicarbonate, whereas 2-naphthol required the use of sodium hydroxide
a box contains a mixture of small copper spheres and small lead spheres. the total volume of both metals is measured by
A flask contains 0.180 of liquid bromine,. Determine the number of bromine molecules present in the flask.
Compare and contrast the nitrogen requirements of microorganisms and higher forms of life, describing how their respective requirements are met
at 760 k 15 of a sample of cyclopropane changes to propene in 6.8 min. what is the half-life of cyclopropane at 760
consider the system introduced in example 3.b.2 p. 97 in which a 2 l sealed jar half filled with water and half filled
Assume each of the following: the fuel has an average formula of C7H16 ; 15% of the heat generated from combustion goes to heat the water (the rest is lost to the surroundings); the density of the fuel is 0.78 g/mL; the initial temperature of the ..
What's the volume of pure hydrogen present in a sample of 55.0 mL of gas saturated with water vapour at 27 °C, if the total pressure is 104.8 kPa?
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