For the following equation insert the correct coefficients that would balance the equation. If no coefficient is need please insert the NUMBER 1. 1. CH4 + O2 --> CO2 + H2O

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?

If two objects at different te, peraure are in contact with each other what happens to their temperature

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: