QUESTION 54 What is/are the reactant(s) of the chemical reaction shown?
CH4 (g) + 202 (g) → CO2 (g) + 2H20 (g)
O CH4 only
O 02 only
O CH4 and 02
O CO2 and H20
The process above is not a chemical reaction

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

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?

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.