Acertain recipe requires 3/2 cups of sugar an makes 2 dozen cookies. (1 dozen = 12). quantity a = the amount of sugar required for the same recipe to make 30 cookies. quanity b = 2 cups

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.

How many grams are in 68.2 molecules of br2?