Discover Questions

The reaction of hydrogen (H2) and propene using a platinum catalyst is called? If you weigh out 2.105 grams of sand / salt mixture and end up with 1.095 grams of dry sad what is the percent of sand in their original mix? Are the motion of galaxies relative to the same radius to the gravity center of mass of the Physical Universe with same frequency? I need help with 2 unusual factoring problems. Problem 1: 4x^4+32x^3+47x^2-8x-12
Problem 2: x^6 - x^4 - x^2 + 1? 10.45-9.59?