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For the enzymatic degradation of 4-chlorobenzoic acid shown, what is the intermediate A?

What is the structure of compound C for the following reaction scheme?

What is the structure of m-bromo-acetophenone?

What’s the minimum number of steps to transform benzene into anthranilic acid? Anthranilic acid: 

Which of the following is the endo product for the Diels-Alder cyclization of cyclobutadiene?

Bromination of a conjugated diene can be done under thermodynamic or kinetic conditions. For the following scheme, which product is the thermodynamic product and which is the kinetic product?

Which of the following are conjugated polyenes?

The height of a diver above the water after $t$ seconds is given by

If trying to convince someone to buy a new product that conserves energy, which of the follow is the best way to frame it so that more people purchase it? (Based on prior research)

3. (3 points) Suppose it is known that 0.001% of the general population has certain type of cancer. A patient visits a doctor complaining of symptoms that might indicate the presence of this cancer. The doctor performs a blood test that will confirm the cancer with the probability of 0.99 if the patient does indeed have cancer. However, the test also produces false positives or says a person has cancer when they do not. The occurs with the probability of 0.2. If the test comes back positive, what is the probability that the person has cancer?