Okay So For Anyone That Got An A In Physical Chemistry … HOW? I Was Originally Pre Health But I Want

okay so for anyone that got an A in physical chemistry … HOW? i was originally pre health but i want to go into research now, so my physics is only algebra based bleh but so far have gotten A in my calculus classes (will be taking calculus 3 spring)

techinally they are my last major class excluding physics 2 and an elective, i have seen the math of physical chemistry it looks interesting but very daunting . SOS send help please with any advice !!!