HELP ASAP

Based on the following image, what is the chemical formula of the compound
represented?
Oxygen
atom
Oxygen
Carbon atom atom

What is the overall order of reaction for rate = k[no]2[o2]

Explanation for basic character?

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?