How many air molecules are in a
10.5×12.0×10.0 ft
room (
28.2 l=1 f
t
3
)? assume atmospheric pressure of 1.00
atm
, a room temperature of 20.0
∘
c
, and ideal behavior.

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

What is the percentage of hydrogen in c2h4

Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer.