How many moles of lead (pb) atoms are in 354 g pb? 9.72 × 10^-25 mol 0.585 mol 1.71 mol 3.52 × 10^23 mol

Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

What produces wave a)sound b) heats c)transfer of energy d)vibrations