Analyze the components of an oxidation - reduction reaction. How would you identify where the oxidation occurred and where the reduction occurred within the reaction.

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

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?