Questions from General Chemistry

Q: Describe in general terms how an archaeological artifact is dated using carbon

Describe in general terms how an archaeological artifact is dated using carbon-14.

Q: For each of the following oxidation–reduction reactions, identify which

For each of the following oxidation–reduction reactions, identify which element is being oxidized and which is being reduced. a. Ca(s) + 2H2O(l) Ca(OH)2(s, aq) + H2(g) b. H2(g) + F2...

Q: What is a salt bridge? Why is a salt bridge necessary

What is a salt bridge? Why is a salt bridge necessary in a galvanic cell? Can some other method be used in place of the salt bridge?

Q: In dating artifacts using carbon-14, an assumption is made

In dating artifacts using carbon-14, an assumption is made about the amount of carbon-14 in the atmosphere. What is this assumption? Why is the assumption important?

Q: Why does an ancient wood or cloth artifact contain less 6

Why does an ancient wood or cloth artifact contain less 6 14

Q: The thyroid gland is interesting in that it is practically the only

The thyroid gland is interesting in that it is practically the only place in the body where the element iodine is used. How have radiotracers been used to study and treat illnesses of the thyroid glan...

Q: What does it mean to say that fissionable material possesses a critical

What does it mean to say that fissionable material possesses a critical mass? Can a chain reaction occur when a sample has less than the critical mass?

Q: Describe the purpose of each of the major components of a nuclear

Describe the purpose of each of the major components of a nuclear reactor (moderator, control rods, containment, cooling liquid, and so on).

Q: Can a nuclear explosion take place in a reactor? Is the

Can a nuclear explosion take place in a reactor? Is the concentration of fissionable material used in reactors large enough for this?

Q: What is a meltdown, and how can it occur? Most

What is a meltdown, and how can it occur? Most nuclear reactors use water as the cooling liquid. Is there any danger of a steam explosion if the reactor core becomes overheated?