Questions from General Chemistry

Q: The transport of 1,2-dibromoethane (CAS Registry Number

The transport of 1,2-dibromoethane (CAS Registry Number 106-93-4) in an aquifer can be estimated using the organic carbon-water partition coefficient measured by any material containing natural organi...

Q: Balance the reduction half-reaction involving the anions S3O 2 –

Balance the reduction half-reaction involving the anions S3O 2 –6 and S2O 2 –3.

Q: Balance the reduction half-reaction involving cystine18 and cysteine19.

Balance the reduction half-reaction involving cystine18 and cysteine19.

Q: Balance the reduction half-reaction involving the mineral s hausmanite

Balance the reduction half-reaction involving the mineral s hausmanite Mn3O4(s) and manganite MnOOH(s).

Q: The molecular structures of 4,4’-DDT (1-

The molecular structures of 4,4’-DDT (1-chloro-4-[2,2,2-trichloro-1-(4- chlorophenyl) ethyl] benzene, CAS Registry Number 50-29-3) and 4,4’-DDD (1- chloro-4-[2,2-dichloro-1-(4-chlorophenyl)ethyl]benze...

Q: Given the relation between the Free Energy of reaction and the Electro

Given the relation between the Free Energy of reaction and the Electro- chemical Potential for reduction (∆rtt = n F E), calculate the electrochemical potential for the 4,4â
...

Q: Given the relation between the Gibbs energy of reaction and the electrochemical

Given the relation between the Gibbs energy of reaction and the electrochemical potential E of reduction-oxidation reactions, calculate the Standard reduction potential E−â...

Q: The two molecular structures below are flavin mononucleotide (FMN) and

The two molecular structures below are flavin mononucleotide (FMN) and reduced flavin mononucleotide (FMNH2). Reduced flavin mononucleotide FMNH2 serves as an electron donor in a variety of biochemica...

Q: A construction worker, age 50 years, ingests soil containing 10

A construction worker, age 50 years, ingests soil containing 10 mg kg−1 toluene (CAS Registry Number 108-88-3). The worker’s oral soil ingestion rate is IR = 330 mg day−1. Work-related exposure durati...

Q: Estimate the average daily dose ADD of methylmercury CH3Hg+ for an

Estimate the average daily dose ADD of methylmercury CH3Hg+ for an adult who eats 56 g of tuna daily containing 0.2 ppm CH3Hg+. The biological half-life of CH3Hg+ in humans is 70 days.