During a reaction H for reactance is -750 kJ per mole and H for the products is 920 kJ per mole which statement is correct about the reaction correctly compares the energy in the bonds

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Stage in which a typical star has completely stopped fusion