A chemist titrates of a pyridine solution with solution at . Calculate the pH at equivalence. The of pyridine is .

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

I’m an electrically neutral atomic any element, there are equal numbers of

If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.