Please answer i’m in a test rn!! Convert 8.1X1025 molecules of water to moles O 1.5X10^27 mol
O 4.5X10^24 mol
O 4.9X10^49 mol
O 1.3x10^2 mol

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

What does an electron configuration for an atom relate to the atoms placement on the periodic table