What is going on inside atoms of a metal when a metallic salt of that metal is dissolved in water and then placed in a hot flame?

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?