use the balmer's equation to determine : (a) the frequency in per second of the radiation corresponding to n=5.
10) the wavelength in nanometers of the line in the balmer series corresponding to n=7. (c) the value of n
corresponding to the balmer series line at 380 nm

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom