g 1. (a) Determine the adiabatic flame temperature for constant-pressure combustion of a stoichiometric ethane-air mixture assuming reactants at 298 K, no dissociation of the products, and constant specific heats evaluated at 298 K.

Nickel crystallizes in the face-centered cubic (fcc) lattice. the density of the metal is 8902 kg/m3. calculate the radius of a nickel atom.

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

What does the process of natural selection involve