If a sample of air in a closed container was heated, would the partial pressure of oxygen increase, decrease or remain unchanged?

Remain unchanged

Explanation:

As the The air in a closed container is stored its permanent until you allow it go so the air remains unchanged

nanotechnology is a powerful tool in biomaterials research as it creates numerous possibilities for the engineering of functional molecules. nano-bio refers to projected ability to incorporate biomimicry into various materials at nanoscale.  

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year