Not too easy. Not too difficult.
If you're taking only 12 to 14 semester hours this may be possible, but most people take anywhere between 16 and the maximum 18. Most students have jobs, clubs / events, and a social life and cannot let one outweigh the other.
Just do all of your work and readings, study for tests and stuff you're struggling with, ask for help if you need it, and you will be fine.
Hours per week:
Advice for students:
So many UIowa graduates have gone on to do great things. You will do well if you show initiative during and after college during your job search.