In order for the reaction: ca + cuso4--> cu + caso4 to occur, which of the following must be true?
• cu. must be above ca on the activity series.
• ca must be above cu on the activity series.
• heat must be applied to the reaction.
• none of the above

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

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?

Give the orbital configuration of the phosphorus (p) atom.