General Chemistry I (For Majors)

Course Description

CHM2045C – General Chemistry I is a 4-credit, integrated lecture-and-laboratory course that begins the year-long majors-track general chemistry sequence. The course covers the fundamental principles of chemistry: matter and measurement; atomic theory and atomic structure; the periodic table and periodic trends; chemical bonding (ionic, covalent, metallic) and molecular geometry (Lewis structures, VSEPR, hybridization); chemical formulas, equations, and stoichiometry; reactions in aqueous solution; gases (kinetic-molecular theory and gas laws); thermochemistry; and an introduction to electronic structure and quantum theory. The integrated "C" format means lecture and laboratory meet as a unified course; students apply theoretical concepts directly through laboratory experimentation each week.

The course sits within the Florida Statewide Course Numbering System (SCNS) under Physical Sciences > Chemistry and is offered at approximately 22 Florida public institutions. CHM2045C is the first course in the year-long majors-track general chemistry sequence; the second course is CHM2046C (General Chemistry II). Both courses are required for biology, chemistry, biochemistry, biotechnology, engineering, environmental science, and pre-health pathways at SUS institutions.

CHM2045C and CHM1045C are parallel SCNS codes for the same content: CHM2045C is used at UF, FSU, UCF, USF, FIU, Seminole State College, and many institutions following the 2xxx numbering convention; CHM1045C is used at Broward College, Valencia College, Miami Dade College, St. Petersburg College, and many Florida College System institutions following the 1xxx numbering convention. Both courses are essentially equivalent in content and rigor; both transfer cleanly into the SUS chemistry curriculum.

Learning Outcomes

Required Outcomes

Upon successful completion of CHM2045C, students will be able to:

• Apply quantitative reasoning to chemistry problems: significant figures, unit analysis (dimensional analysis), and scientific notation; SI and metric units.
• Apply atomic theory: subatomic particles; isotopes; atomic mass; the mole concept and Avogadro's number.
• Use the periodic table to predict chemical and physical properties; identify and apply periodic trends (atomic and ionic radii, ionization energy, electron affinity, electronegativity).
• Apply nomenclature rules for ionic compounds, covalent compounds, acids, and bases; convert between names and formulas.
• Apply stoichiometry: balancing chemical equations; mole-mole, mass-mole, and mass-mass conversions; limiting reagents; theoretical, actual, and percent yield.
• Apply principles of aqueous chemistry: solubility rules; precipitation reactions; acid-base reactions; oxidation-reduction reactions; molarity and solution stoichiometry; titrations.
• Apply the principles of chemical bonding: ionic, covalent, and metallic bonding; Lewis structures and formal charge; resonance; bond polarity; VSEPR theory and molecular geometry; valence bond theory and hybridization; molecular polarity.
• Apply the principles of gas laws: Boyle's, Charles's, Avogadro's, and the ideal gas law; gas stoichiometry; Dalton's law of partial pressures; the kinetic-molecular theory.
• Apply the principles of thermochemistry: the first law of thermodynamics; enthalpy and Hess's law; calorimetry; standard enthalpies of formation.
• Apply the principles of electronic structure: the wave nature of light and matter; the Bohr model and its limitations; quantum numbers; atomic orbitals; electron configurations and orbital diagrams.
• Demonstrate laboratory competencies: proper use of analytical balances, volumetric glassware (pipettes, burets, volumetric flasks), and Bunsen burners; preparation of solutions of known concentration; gravimetric and volumetric analysis; calorimetry; titrations; safe handling of chemicals; proper laboratory safety practices.
• Maintain a laboratory notebook in scientific format and prepare formal lab reports with proper data analysis, error analysis, and discussion.
• Apply the scientific method in laboratory contexts: hypothesis formulation, experimental design, controls, and conclusions; appropriate statistical handling of measurement uncertainty.

Optional Outcomes

Depending on instructor and institutional emphasis, students may also:

• Engage with introductory molecular orbital theory (MO theory) at a survey level beyond Lewis structures and VBT.
• Engage with introductory chemical kinetics as a preview to CHM2046C/CHM1046C.
• Engage with real gases and the van der Waals equation: deviations from ideal gas behavior.
• Conduct qualitative analysis exercises in the laboratory.
• Apply green chemistry principles in lab work.
• Engage with spectrophotometry at an introductory level (Beer-Lambert law).

Major Topics

Required Topics

• Matter and Measurement: Classification of matter (elements, compounds, mixtures); physical and chemical properties; SI units; significant figures; dimensional analysis; density.
• Atomic Structure: The atomic nature of matter; subatomic particles; isotopes; atomic mass; the mole and Avogadro's number; molar mass.
• The Periodic Table: Periodic law and the structure of the periodic table; periodic trends (atomic radius, ionization energy, electron affinity, electronegativity).
• Compounds and Nomenclature: Ionic and covalent compounds; naming binary and polyatomic ionic compounds; naming binary covalent compounds; naming acids and bases.
• Chemical Reactions and Stoichiometry: Balancing chemical equations; types of reactions (combination, decomposition, single-replacement, double-replacement, combustion); stoichiometric calculations; limiting reagents; percent yield.
• Reactions in Aqueous Solution: Solubility rules; precipitation reactions; net ionic equations; acid-base reactions; oxidation-reduction reactions and oxidation states; molarity; dilutions; titrations.
• Thermochemistry: Energy and the first law of thermodynamics; enthalpy and enthalpy changes; calorimetry (constant-pressure, constant-volume); Hess's law; standard enthalpies of formation.
• Electronic Structure: The wave nature of light; the photoelectric effect; the Bohr model; quantum mechanics and the Schrödinger equation (qualitative); quantum numbers; orbitals (s, p, d, f); the Aufbau principle, Hund's rule, and the Pauli exclusion principle; electron configurations; periodic patterns in electron configuration.
• Chemical Bonding I — Lewis Structures: The octet rule; Lewis dot structures; formal charge; resonance; expanded octets and exceptions to the octet rule; bond polarity and electronegativity.
• Chemical Bonding II — Molecular Geometry: VSEPR theory; molecular geometry and bond angles; molecular polarity; valence bond theory; hybridization (sp, sp², sp³, sp³d, sp³d²); sigma and pi bonds.
• Gases: Properties of gases; pressure and its measurement; Boyle's, Charles's, and Avogadro's laws; the combined gas law; the ideal gas law (PV=nRT); gas stoichiometry; Dalton's law of partial pressures; the kinetic-molecular theory; effusion and diffusion (Graham's law).
• Laboratory Practice: Safe handling of chemicals and equipment; analytical balances; volumetric glassware (pipettes, burets, volumetric flasks); preparation of solutions; gravimetric and volumetric analysis; calorimetry; titrations; quantitative observation; data analysis with significant figures; formal lab report writing.

Optional Topics

• Introductory Molecular Orbital Theory: Bonding and antibonding orbitals; MO diagrams for diatomics; bond order from MO theory.
• Introductory Kinetics: Rates of reaction at a survey level (full treatment in CHM2046C/CHM1046C).
• Real Gases: Deviations from ideality; the van der Waals equation; intermolecular forces and gas behavior.
• Qualitative Analysis: Selective precipitation and identification of unknown ions.
• Spectrophotometry: Beer-Lambert law; quantitative analysis using visible-light spectrophotometry.
• Green Chemistry: Principles of sustainable laboratory practice.

Resources & Tools

• Most-adopted textbooks at Florida institutions: Chemistry: A Molecular Approach by Nivaldo J. Tro (Pearson) — among the most widely-adopted at SUS institutions; Chemistry: The Central Science by Brown, LeMay, Bursten, Murphy, Woodward (Pearson); Chemistry: An Atoms-Focused Approach by Gilbert et al. (W. W. Norton); Chemistry & Chemical Reactivity by Kotz, Treichel, and Townsend (Cengage).
• Open-access alternative: OpenStax Chemistry 2e (free) — increasingly adopted at Florida community colleges and SUS institutions as a zero-textbook-cost option; rigorous and comprehensive coverage.
• Online learning platforms: Mastering Chemistry (Pearson, paired with Tro and Brown); ALEKS (chemistry); Connect Chemistry (McGraw-Hill); WebAssign; Sapling Learning; OWLv2 (Cengage).
• Laboratory equipment: Analytical balances; volumetric glassware; pH meters and pH paper; spectrophotometers; calorimeters; standard chemical reagents.
• Lab manuals: Typically institution-specific; commercial alternatives include Hayden-McNeil custom manuals.
• Calculators: Most institutions allow scientific (non-graphing) calculators only on exams.
• Reference and visualization tools: ChemDraw or ChemSketch; PhET Interactive Simulations (free); Khan Academy chemistry videos; the Royal Society of Chemistry's Periodic Table app.
• Tutoring and support: Institution chemistry learning centers and tutoring; Supplemental Instruction (SI) sessions — General Chemistry I is among the most heavily SI-supported courses at most Florida institutions.

Career Pathways

CHM2045C is the entry course to nearly every STEM and pre-health career pathway in Florida:

• Pre-Medical, Pre-Dental, Pre-Pharmacy, Pre-Veterinary, Pre-Optometry, Pre-Physician-Assistant — the year-long general chemistry sequence is required, plus organic chemistry and biochemistry that follow.
• Chemist / Biochemist — pathway through SUS BS programs and graduate study.
• Chemical Engineer / Materials Engineer — pathway through Florida engineering programs (UF, FSU/FAMU, USF, UCF, FIU, FAU, FGCU).
• Pharmacist (PharmD) — Florida pharmacy programs at UF, USF, FAMU, NSU.
• Environmental Scientist / Environmental Engineer — Florida's water-quality, environmental-monitoring, and air-quality industries; Florida Department of Environmental Protection.
• Forensic Scientist / Forensic Chemist — Florida law-enforcement and forensic-laboratory employers.
• Medical Laboratory Scientist / Clinical Laboratory Technician — Florida's healthcare network.
• Pharmaceutical Industry — research, manufacturing, sales, regulatory affairs.
• K–12 Chemistry Teacher — pathway through Florida science education BS degrees.
• Hazardous Materials Specialist / Environmental Health Specialist — Florida Department of Environmental Protection, county and municipal positions.

Special Information

Articulation and Transfer

CHM2045C is part of the Florida common course numbering system and articulates seamlessly to all SUS institutions. A grade of C or higher is required at most SUS institutions for the course to satisfy major prerequisites and to allow use as a prerequisite for CHM2046C and downstream chemistry coursework.

CHM2045C vs. CHM1045C

Both CHM2045C and CHM1045C are majors-track first-semester general chemistry courses with essentially equivalent content. The distinction is in SCNS code conventions used at different institutions:

• CHM2045C is used at UF, FSU, UCF, USF, FIU, Seminole State College, and other institutions where the 2xxx numbering convention is preferred.
• CHM1045C is used at Broward College, Valencia College, Miami Dade College, St. Petersburg College, and many Florida College System institutions following the 1xxx convention.

Both courses transfer cleanly into the SUS chemistry curriculum and satisfy the same prerequisite for organic chemistry and upper-division coursework. Students transferring should not assume their grade in one will automatically apply to the other; consult the receiving institution.

Critical: CHM2045C vs. CHM1025C

This is the most common chemistry-placement decision in Florida. CHM2045C is the majors-track course; CHM1025C (Introductory Chemistry) is a preparatory course for students who need additional background before attempting CHM2045C. CHM1025C does NOT count as the first semester of the majors sequence; students who complete CHM1025C must still take CHM2045C (or CHM1045C) afterward to satisfy major requirements.

Position in the Chemistry Curriculum

CHM2045C is followed by CHM2046C (General Chemistry II), then CHM2210/CHM2210L (Organic Chemistry I) and CHM2211/CHM2211L (Organic Chemistry II). The full sequence (general chemistry I and II + organic chemistry I and II) is the standard preparation for biochemistry, the MCAT, the DAT, and admission to most U.S. medical, dental, and pharmacy schools.

Prerequisites

The standard prerequisite is MAC1105 (College Algebra) with a minimum grade of C, or appropriate placement. Some institutions also recommend prior or concurrent MAC1140 (Precalculus Algebra). A high-school chemistry course is strongly recommended but not required at most institutions; students without high-school chemistry are typically advised to consider CHM1025C as preparation.

Course Format and Workload

CHM2045C is generally considered one of the most demanding first-year courses. Expect 3 hours of lecture and 2–3 hours of laboratory each week, plus 10–15 hours per week of out-of-class study. Strong performance in CHM2045C is the single best predictor of success in the rest of the chemistry sequence. Consistent weekly engagement, disciplined problem-solving practice, and use of office hours and SI sessions are essential.

Course Code Variations

Florida institutions title this course "General Chemistry I" or "General Chemistry with Qualitative Analysis I." Lecture and laboratory may be offered as separate courses (CHM2045 + CHM2045L) at some institutions; the integrated "C" version is the most common format.