For each of the following pairs, predict which will have the longer bond length and rationalize your answer. a. Br-Fax in BrF3 or BrF5 b. P-Clax or P-Cleq in PCl5 c. X-Fax in ClF5 or BrF5 d. C-C in H2CCH2 or HCCH e. O-F in HOF or in OF2

what is the density of an object that has a mass of 10 g and a volumeof 5 ml? a. 0.5 g/ mlb. 2 g/mlc. 15 g/ mld. 50 g/ ml

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Using data from seismic waves, geologists have learned that earth’s interior is made up of several