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UF
Chemistry
3 credits

UF CHM 2045: General Chemistry 1

CHM 2045 is UF's first general chemistry course, covering stoichiometry, atomic structure, bonding, thermochemistry, and gases. Huge cohorts of pre-health, science, and engineering students take it alongside the CHM 2045L lab, and it's one of the most consequential GPA courses for UF's large pre-med population.

Fennie is independent and not affiliated with University of Florida. This is an unofficial study guide.

What makes it hard

The exams are multiple-choice, multi-step, and timed, which is a brutal combination: one arithmetic slip in step two of a four-step stoichiometry problem yields a clean wrong answer with no partial credit. The competition is the other factor, since the course is graded against a hall full of pre-meds who treat it as their first audition.

What you'll cover

  • Stoichiometry and limiting reagents
  • Atomic structure and periodic trends
  • Chemical bonding and Lewis structures
  • Molecular geometry (VSEPR)
  • Thermochemistry
  • Gas laws

The CHM 2045 study guide

How to study for UF CHM 2045, step by step.

  1. 1

    Get mole math automatic in three weeks

    Stoichiometric fluency gates everything after it in CHM 2045. Daily conversions until they're reflexive is the single best early investment.

  2. 2

    Memorize ions and rules before exam one

    Flashcard polyatomic ions, solubility rules, and nomenclature early so exam minutes go to multi-step reasoning instead of recall.

  3. 3

    Train under the clock

    Timed multiple choice with no partial credit means speed and accuracy are the whole grade. Practice problems on a timer, every time.

  4. 4

    Classify every miss

    Tag each miss as a concept gap, a setup error, or an arithmetic slip. Each needs a different fix, and untagged misses get re-made on exam night.

Today's CHM 2045 plan

Sample
65 min

What a Fennie Daily Plan looks like for CHM 2045. Yours is built from your syllabus and adapts every day to your deadlines and progress.

  • Review: Stoichiometry and limiting reagentsReview · 25 min

    Work back through the CHM 2045 material on stoichiometry and limiting reagents. In the app, Fennie builds this from your own notes and syllabus.

  • Practice: Atomic structure and periodic trendsPractice · 20 min

    Targeted problems on atomic structure and periodic trends, the kind CHM 2045 actually tests.

  • Quick quiz: Chemical bonding and Lewis structuresQuiz · 10 min

    Five generated questions to expose weak spots on chemical bonding and lewis structures before the exam does.

  • Preview: Molecular geometry (VSEPR)Preview · 10 min

    A first pass over molecular geometry (vsepr) so the next session starts from familiar ground.

Get my real CHM 2045 plan free

First plan free, no card required. Fennie is independent and unaffiliated with your school.

FAQ

Is CHM 2045 a weed-out class at UF?

It functions like one, especially for pre-meds. The material is standard gen chem, but timed multiple-choice exams with no partial credit and a competitive curve mean small errors are expensive. Weekly problem volume is the difference-maker.

How do I study for CHM 2045 exams?

Work practice exams timed, and review every miss by category: concept gap, setup error, or arithmetic. Memorize polyatomic ions and solubility rules early so exam time goes to multi-step reasoning rather than recall.

Do I take CHM 2045L at the same time?

Most students take the lab concurrently since downstream courses and pre-health requirements expect both. The lab is a separate grade and a separate time commitment, so budget for the reports when planning your week.

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