What is the approximate energy of a photon having a frequency of 4 x 10^14 Hz? (h = 6.6 x 10^-34 Js) A.
6.1 x 10^47 J

B.
4.0 x 10^14 J

C.
2.6 x 10^-19 J

D.
1.7 x 10^-48 J

The compound methyl butanoate smells like apples. its percent composition is 58.8% c, 9.9% h, and 31.4% o. what’s the empirical formula ?

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

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.