Describe how you would purify p-nitrobenzoic acid from a
Describe how you would purify p-nitrobenzoic acid from a mixture of a 9.0 g of p-nitrobenzoic acid and 2.0 g of o-nitrobenzoic acid using recrystallization. Tell which solvents you would use and how the components would get separated.
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the element neptunium possesses 93 electrons and weighs 237 amu. Calculate the contribution (in %) of its electrons to its total mass.
Suppose that an astronomer discovers a quasar with a redshift of 7.1. With what speed would this quasar seem to be receding from us? Give your answer in km/s and as a fraction of the speed of light.
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A 250MW laser pulse is focused with a lens to a diameter of 2.5?m. What is the laser beam's electric field amplitude at the focal point
Describe how you would purify p-nitrobenzoic acid from a mixture of a 9.0 g of p-nitrobenzoic acid and 2.0 g of o-nitrobenzoic acid using recrystallization.
Compound B is quite soluble in toluene, but only slightly soluble in petroleum either. How could these two solvents be used in combination in order to recrystallize compound b
If the flask has a volume of 0.500 L, what is the minimum mass of PH3BCl3(s) that must be added to the flask in order to achieve equilibrium
if two atoms of element A react with three atoms of element B, what is the chemical formula for the resulting compound
Indole is a competitive inhibitor of chymotrypsin. In the absence of the inhibitor, chymotrypsin will very slowly hydrolyze glycine residues in proteins, but will hydrolyze aromatic amino acids. In the presence of indole
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Describe any insights you gained from reading about the disorder your classmate described that expands on the description your classmate posted.
What type of research refers to a study in which the reseracher manipulates and controls one or more variables and observes the effect of manipulatoin
Identify 4 developmental tasks you would look for as a PSW when caring for clients and explain how knowing about these developmental tasks
In a structured child care program for the infants and toddlers of teen mothers, the very youngest infants are in one small room with a caregiver.
. How does the concept of digital privacy relate to your own sense of personal boundaries and psychological well-being?
Question: Which of the following is NOT a type of disagreement? Need Assignment Help?
Helping Scenario: In one or two paragraphs, succinctly describe a time when you have witnessed someone informally helping (not a family member or part of someon