(a) balance the skeleton reaction. include the states of matter for each substance. (b) calculate e ocell . (c) determine whether the reaction is spontaneous. h2o2(aq) + ni2+(aq) → o2 (g) + ni (s) [acidic] (a) write the balanced equation, making sure to include the state of each component.

Noble gases are the most reactive elements on the periodic table. a. true b. false

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

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?