Making decisions is never easy, especially those that play an influential role in your future. Having to choose a major that will either make you love what you are doing, or make you resent the day you chose that course, is definitely difficult.
Are you interested in types of jobs you could get with a degree in chemical engineering? Here are careers requiring a bachelors or masters degree.
Being an engineer you might have to be independent and stand out a bit. I have a shirt that says engineers aren't boring, we just get excited over boring things.
Back to Basics: Acids, Bases & the pH Scale - Precision Laboratories