Phenolphthalein is treated with a solution and colour remains unchanged, what may be the contained in vessel among acid, base and salt solution. How can it be further tested to confirm it?​

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

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?

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n