The de broglie equation predicts that the wavelength (in m) of a proton moving at 1000 m/s is what? (h=6.63 x 10^-34J•s; mass od a photon = 1.673 x 10^-24

What are the major products produced in the combustion of c10h22 under the following conditions? write balanced chemical equations for each. a. an excess of oxygen b. a slightly limited oxygen supply c. a very limited supply of oxygen d. the compound is burned in air

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

Compare and contrast physical changes with chemical changes.