For each process, predict the sign on the entropy change and write a sentence or two to explain how to make this prediction without completing any mathematics. a. A solid melts. b. A vapor is converted into a solid. CH 117 Recitation Name: ~ 196 ~ c. A liquid freezes. d. A solid sublimes e. A vapor condenses to a liquid. f. A liquid boils. g. Dissolving a tablespoon of salt in water. h. Combustion of gasoline.

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Find the mass, in grams, of 5.00*10^23 molecules of f2

Listenbase your answer to the question on the information below.nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body.cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment.which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61