Oxygen O2 has a molar mass of 32.0 g/mol. What is the average translational kinetic energy of an oxygen molecule at a temperature of 299 K

What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Aphysical reaction is a process in which one or more reactants change into one or more products with different properties. select the best answer from the choices provided t f