The pH of a solution prepared by dissolving 0.350 mol of solid dimethylamine hydrochloride ((CH3)2NH2Cl) in 1.00 L of 1.10 M dimethylamine ((CH3)2NH) is . The Kb for methylamine is 5.40 ⋅ 10-4. (Assume the final volume is 1.00 L.)

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34

What is the standard unit of measure for acceleration?

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?