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Chemical Thermodynamics

Maharashtra Board · Class 12 · Chemistry

Complete topic list for Chemical Thermodynamics in Maharashtra Board Class 12 Chemistry. Key concepts, sub-topics, and what to focus on for board exams.

45 questions25 flashcards5 concepts

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4 Topics · Maharashtra Board Class 12 Chemistry

Topics in Chemical Thermodynamics

1

Basic Terms and Definitions in Thermodynamics

  • System: Part of universe under thermodynamic investigation (e.g., gas in a cylinder)
  • Surroundings: Everything outside the system in the universe
  • Open System: Exchanges both matter and energy (hot coffee in open cup)
2

Types of Thermodynamic Processes

  • Isothermal Process: Temperature constant (ΔT = 0, ΔU = 0 for ideal gas)
  • Isobaric Process: Pressure constant (ΔP = 0, occurs at atmospheric pressure)
  • Isochoric Process: Volume constant (ΔV = 0, reactions in closed containers)
3

Work and Heat in Thermodynamics

  • Work (W): Energy transfer due to organized motion, measured in Joules
  • Heat (Q): Energy transfer due to temperature difference, measured in Joules
  • Sign Convention: +W (work done on system), -W (work done by system)
4

Internal Energy and First Law of Thermodynamics

  • Internal Energy (U): Total energy stored in a system, state function
  • First Law: Energy cannot be created or destroyed, only converted
  • Mathematical form: ΔU = Q + W

Key Concepts

A system is the partState functions (like PStates that energy cannot be createdDefined as H = U +A measure of molecular disorder

Frequently Asked Questions

What are the important topics in Chemical Thermodynamics for Maharashtra Board Class 12 Chemistry?
Chemical Thermodynamics covers several key topics that are frequently asked in Maharashtra Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Chemical Thermodynamics — Maharashtra Board Class 12 Chemistry?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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