The following reaction occurs: 2C2H2 (2) + 502 (3) --> 4CO2(2) + 2H20 m How many liters of CO2 can be produced if 83.88 grams of C2H2 are combusted?

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

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.