2. Which of the following BEST describes this chemical reaction: C + O2 = CO2?* (10 Points)

In this chemical reaction, the reactant carbon is duplicated to create 2 molecules of carbon and 2 molecules
of oxygen in the product..

The reactant of 2 molecules of oxygen was destroyed in this chemical reaction to allow the carbon to join
with the new molecule of chemically combined oxygen molecules.

In this chemical reaction, the reactants of 1 carbon molecule and 2 oxygen molecules were destroyed to
create a product of a new chemical compound containing 2 oxygen molecules and 1 carbon molecule.

No new matter was created in this chemical reaction, because a molecule of oxygen and 1 atom of carbon
joined together to create a chemical compound containing 1 molecule of carbon and 2 molecules of oxygen.

For cyclohexane compounds drawn in a chair conformation:   -axial bonds are vertical  -equatorial bonds are parallel to two bonds within the ring.  thus, as i assume the chair conformation is drawn:   -the x group is in an axial position, as are the five other vertical bonds.  -three axial bonds are on the top face of the ring  -the other three axial bonds are on the bottom face  the position of the second substituent on each ring carbon is equatorial.  gauche groups must be on an adjacent carbon such as carbon 6 and carbon 2, and also gauche groups are rotated by 60 degrees relative to each other.  drawing the newman projections for c1–c2 and c1–c6 aids in visualizing the groups that are gauche to the y group on c1.  click this link and watch some academic videos that may you more understand the topic 

Well to my expert knowledge and my exquisite calculations i think the the negative ion # 412 is the key to sucess