Calculate the number of moles of C2H6 in 3.97×1023 molecules of C2H6.

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize