I will maybe post my full „analysis“ later, but here are my biggest „problems“ with your predictions:
Men:
400 IM: I don’t see Papastamos winning a medal. If you want to pick a young guy, you should rather go for Borodin.
400 free: Both Horton and Yang not winning a medal seems pretty unlikely.
4 x 100 free: I don’t see Australia winning a medal. I would pick Russia for silver and Brazil for bronze.
4 x 200 free: I think that GB will medal (instead of Russia)
100 breast: A medal for Prigoda seems extremely unlikely. I think Chupkov will win gold and then the other medals will be between the two Japanese guys, the two Australian guys and maybe Kamminga.
100 free: Gold for Scott seems very unlikely. I think it will be Dressel - Chalmers - Minakov/Morozov/Grinev/Scott/2nd American guy.
200 IM: Silver for Seliskar seems very unlikely, I doubt that he will even qualify. I think Scott/Larkin/Andrew/Hagino/Desplanches and maybe a couple other guys are all more likely to medal than Seliskar.
Women:
400 IM: I think Margalis will medal.
200 IM: I don’t see McKeown winning a medal or even competing, but who knows ...
My prediction would be Hosszu + Ye + Margalis/Japanese girl.
50 free: Wasick winning a medal would be a big surprise for me. I think Blume, Campbell and the Chinese girl are all more likely to medal (apart from Sjöstrom and Manuel).