Which reaction model represents a nuclear fission reaction?

A → B + C + n

A + C → B + n

A → B + C

n + A → B + C + n

Which of the following elements is most likely to be a good conductor of electricity? a. N b. S c. He d. Cl e. Fe?

A person who is interested in learning more about how glands produce and release hormones might pursue a career in A reproductive science B gene therapy C neuroscience D endocrinology

If a body of water has high turbidity levels, what can most likely be concluded? A. It has a low pH. B. It is unsafe to drink. C. It is too hot to drink. D. It contains a lot of chemicals.

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Give examples of temporaty physical change

Density is not a physical property of mass. True False

Does skin have a nucleus true or false

Bacteria are only found in decaying matter. A. True B. False

Which is considered a chemical mutagen? tanning beds tobacco X-rays precious metals

Combining 0.380 mol Fe2O3 with excess carbon produced 13.7 g Fe Fe2O3 + 3C → 2Fe + 3CO What is the actual yield of iron in moles? What is the theoretical yield of iron in moles? What is the percent yield?