If 5.25
mol of c5h12
reacts with excess o2,
how many moles of co2
will be produced by the following combustion reaction?

c5h12+8o2⟶6h2o+5co2

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

1. list three scientific reasons cockroaches may fly.

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?