N2 + 3h2 2nh3 how many molecules of h2 are in the reaction? molecules how many nitrogen atoms are present? atoms how many moles of nh3 are formed? moles

What energy is it when you flip on a switch on a lamp

Areaction in which products can react to re-form reactants is

Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 × 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)