`suppose you were tasked with producing some nitrogen monoxide (a. k.a. nitric oxide). i'm sure this is often requested of you. you can do it by combusting ammonia (be the equation would be as follows: 4nh3 + 5o 2→ 4no + 6h2o. if you form 3.50 mol of water, how much no forms? a. 2.33 mol. b. 4.00 mol. c. 4.50 mol. d. 6.75 mol. e. none of the above

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.

What 3 categories are elements divided