PLZ HELP ASAP A chemist reacted 17.25 grams of sodium metal with, excess amount of chlorine gas. The chemical reaction that occurred is shown. Na + Cl2 → NaClIf the percentage yield of the reaction is 88%, what is the actual yield? Show your work, including the use of stoichiometric calculations and conversion factors.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?