Thermochemistry: Mastering Energy Changes in Chemical Reactions — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Thermochemistry: Mastering Energy Changes in Chemical Reactions

Prepare for advanced chemistry studies by mastering the laws of thermodynamics applied to chemical systems and calculating crucial reaction parameters.

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About this course

Do you need a rigorous, practical understanding of how energy dictates the behavior of chemical systems? Thermochemistry is the critical link between thermodynamics and reaction kinetics. By completing this course, you will be able to confidently apply the First and Second Laws of Thermodynamics to chemical processes, calculate enthalpy, entropy, and Gibbs free energy, and accurately predict the spontaneity and efficiency of any reaction. What you'll learn: * Understand the core concepts of internal energy, heat, and work, and apply the First Law of Thermodynamics. * Master Hess's Law and standard state conventions to calculate reaction enthalpies (ΔH) using various methods. * Analyze entropy (ΔS) and Gibbs free energy (ΔG) to accurately predict the spontaneity and equilibrium of chemical and physical processes. * Configure thermodynamic cycles and use Kirchhoff's Law to determine how reaction parameters change with temperature. * Practice solving complex, multi-step problems involving heat capacity, phase transitions, and practical energy efficiency calculations. The course begins with foundational definitions and the basic laws of thermodynamics before moving into detailed calculations of enthalpy, entropy, and free energy, concluding with rigorous problem-solving exercises. This course is designed for absolute beginners in physical chemistry who require a strong foundation in thermochemistry for further academic study. No prior knowledge of advanced calculus or thermodynamics is required. Start building your mastery of chemical energy today.

What you'll get

  • 📜 Certificate of completion
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  • Short & focused
    3h of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
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Name Surname
has successfully demonstrated mastery of
Thermochemistry: Mastering Energy Changes in Chemical Reactions
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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Thermochemistry: Mastering Energy Changes in Chemical Reactions
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Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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