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Question- Rhenium re with a mass number of 187 and an atomic number of 75 decays by beta emission. Identify the product of the nuclear reaction by providing its atomic symbol mass number and atomic number
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Equal volumes of .12 M AgNO3 as well as M ZnCl2 solutions are mixed. Compute the equilibrium concentrations of Ag+, Cl-, Zn2+, and NO3-.
During the dehydration reaction when acetaldehyde was reacted with KOH in ether, an intermediate was formed. What was this intermediate that was eventually converted to the final product
Briefly describe the process of recycling. Do you recycle? If yes, what types of items do you recycle? If not, why not?
Write a reaction mechanism for the dehydration of 4,5-dimethyl-3-hexanol in concentrated phosphoric acid. Use curved arrows to show electron movement and clearly show the major product formed.
Methyl orange is made by diazotizing the sodium salt of sulfanilic acid (p-aminobenzenesulfonic acid) followed by coupling with N,N-dimethyl aniline. Write equations for these reactions,giving the structure of methyl orange.
Calculate [OH-] and pH in a solution in which dihyroden phosphate ion, H2PO4-, is 0.355M and hydrogen phosphate ion, HPO4 2- is
the ratio of carbon to hydrogen to nitrogen in nicotine is 5 to 7 to 1. what is the molecular formula of nicotine if
a hydrocarbon is a compound that contains mostly carbon and hydrogen. calculate the percent composition by mass of the
For a particle in a box system, by what factor do you need to change the box length to decrease the transition energy by a factor 5 for a fixed value of mass
If 10.00 mL of 0.250 M NaOH solution is added to 100.00 mL of the above original buffer solution (described in part 1 of this problem), what is the new pH of the solution?
Question- Apple wood is known to be one of the best firewoods available. It produces a hot, aromatic fire and little ash. You are interested in determining the amount of heat available from a cord of apple wood
Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway enzyme that results in the inactivation of that enzyme
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