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A reaction was designed that produced either molecule A below or molecule B, both shown below. In order to decide which molecule was produced, the unknown molecule was reacted with sodium ethoxide in ethanol. The product of that reaction was isolated as an (E) alkene only. Which molecule, A or B, gave the identified product? Draw molecules that explain your answer.
When ethylamine, a weak base (Kb=4.3E-4), reacts with the formic acid, a weak acid (Ka=1.8E-4), the following reaction takes place: Calculate K for this reaction.
A gas mixture containing oxygen, nitrogen, and neon exerts a total pressure of 1.16 atm. If helium added to the mixture increases the pressure to 1.74 atm, what is the partial pressure (atm) of the helium?
Estimate the isoelectric point of a Ser-His dipeptide. Explain why this value is only an estimate
Solid potassium chlorate (KClO3) decomposes to produce solid potassium chloride and oxygen gas. What volume of oxygen gas, measured at 40 C and 655 mm Hg, will be produced when 13.5 of potassium chlorate is decomposed?
Sandra needs to deliver 20 cases of celery to the farmer's market directly east across the river, which is 32 km wide.
Explain Why do animals that live in cold climates generally have more polyunsaturated fatty acid residues in their fats than do animals that live in warm climates
Derive Eh-pH equations based on the progressive oxidation of Mn to form oxides starting with metallic Mn. b) Plot these equations in coordinates of Eh and pH
Imagine that you have a 7.00 gas tank and a 4.50 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
determine what volume of .1 m hbr is required to neutralize 50 ml of .140 m barium hydroxide?considering the given
calculate the work in kj when 3.00 moles of hydrogen gas are produced from the reaction of sodium in excess water at
Was measured at several temperatures and the following data was collected, Using this data, graph ln k 1/T. using your graph determine the value of Ea please show work and show a graph
At what pressure does the mean free path of argon at 25C become comparable to the size of 1dm^3 vessel that contains it? take ?=.36nm^2
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