If you have 3.52 moles of baking soda (nahco3), then about how many molecules of baking soda fo you have? a) 3.45 x 10^24 b) 2.12 x 10^24 c) 6.02 x 10^23 d) 1.23 x 10^24

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.