HelpContactFor teachers and institutes
>_StemPy Lab
Mock TestsClasses

>_StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

  • Physics
  • Chemistry
  • Mathematics
  • Biology
  • Python Programming
  • Statistics & Data Science
  • Classes
  • Groups

Practice

  • Problems
  • Quizzes
  • Mock Tests
  • Prepare for an Exam
  • Question Sets
  • Exams
  • Certificates
  • Python Labs
  • AI Practice Generator
  • Student-Created Tests

Community

  • Discussions
  • Resources
  • Notes
  • Glossary
  • Blog

Account

  • Log in
© 2026 senLearn. All rights reserved.HelpAboutContactPrivacy PolicyTerms of UseRefund Policy

Courses

Teacher-curated, self-paced courses. Looking for a guided sequence through a full topic? See Learning Paths.

All CoursesLearning Paths
1 course
Systems, Heat, Work and the First Law
Chemistry · High School (11–12) · Systems, Work, Heat and the First Law
FreeCh 5 · 1/4

Systems and surroundings, state functions, work and heat, internal energy and the first law of thermodynamics, with work done by an expanding gas.

3Lessons10Problems2Python Labs1Question Set1Mock Test
StemPy LabStemPy Lab
Chemical Thermodynamics: Numerical Practice
Chemistry · High School (11–12) · Systems, Work, Heat and the First Law
StandardFirst lesson freeExtra course

The calculations that JEE, AP Chemistry and A-Level Chemistry ask most: work in reversible and irreversible expansions, Born-Haber and Hess cycles, bond enthalpies, and ΔG from ΔH and ΔS, with a full timed paper.

3Lessons11Problems2Python Labs1Question Set1Mock Test
Opens with a Standard planSee what's inside →
How courses work:A guide for learners and teachers