How many moles of oxygen (o2) are required to completely react with 27.4 mol of h2?

What is the number of moles in 15.0 g ash3?

What can be found in the ionosphere

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.