If the universe is expanding but the expansion is slowing down, what will the eventual death of the universe be? *

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

What is the molar mass of potassium nitrate, kno3

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.