A ball rolls down a ramp. A small amount of friction heats up the ball. What energy transformations are taking place?

hey your not cool]      

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).

that's what i got you can count the number of atoms

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.