πŸŒ– ENTHALPY & ENTROPY REVISION PACK

REVISION SUMMARY

        Everything you need to know before kicking off your Enthalpy and Entropy revision

ALL THE QUESTIONS

        Every Enthalpy and Entropy question since 2017 plus an extra question pack

MASTER QUIZ

        Test yourself on the required Enthalpy and Entropy knowledge

KEY QUESTIONS

        Don't try to do every past paper question ever! To nail this topic, just use the TT METHOD at some key questions.

DOCUMENTS & INFO

  AS CHEAT SHEETS

  A LEVEL CHEAT SHEETS

  KEY QUESTIONS PDF

STUDY SUPPORT

  STUDY TEMPLATES

  GROUP TUTORING

REVISION SUMMARY



Topic Importance: HIGH



Group Tutoring Session Recordings


  • 45 mins    PDF   Entropy

  • How to attack common Entropy Questions

  • 45 mins    PDF   Enthalpy of Solution

  • Learn about the balance between the enthalpy changes involved here

ALL THE QUESTIONS

MASTER QUIZ

KEY QUESTION 1




Enthalpy of Combustion, Enthalpy & Entropy, Enthalpy of Combustion Calculation

A great question to flex your thermodynamic muscles with! 1 question - 7 marks!

  QUESTION   MARK SCHEME

  A LEVEL - OCR PAPER 1 2015 - QUESTION 18

Q Analysis
Q Response
Mark Scheme (7 Marks)

 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

ENTHALPY & ENTROPY |  Calorimetry - Finding Ξ”H Combustion  |  Measuring Ξ”Hc (Required Practical 3a) |  Entropy of a System (Ξ”S system) |  Gibbs Free Energy (Ξ”G)

KEY QUESTION 2




Chemical Equilibrium

A great question that balances AS and A level content from a le Chatelier's explanation to a Ξ”G calculation

  QUESTION   MARK SCHEME

  A LEVEL - OCR PAPER 1 20 - QUESTION 17

Q Analysis
Q Response
Mark Scheme (14 Marks)

 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

CHEMICAL EQUILIBRIUM |  Le Chatelier's Principle |  ENTHALPY & ENTROPY |  Entropy of a System (Ξ”S system) |  Gibbs Free Energy (Ξ”G)

KEY QUESTION 3




Enthalpy & Entropy

Triple threat! Generalised Gibbs Graph question followed by a Kp calc and Hess' Cycle to construct

  QUESTION   MARK SCHEME

  A LEVEL - OCR PAPER 1 2017 - QUESTION 18

Q Analysis
Q Response
Mark Scheme (12 Marks)

 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

ENTHALPY & ENTROPY |  The Graph: Ξ”G vs T |  HOW FAR? |  The Kp Expression |  Gibbs Free Energy (Ξ”G) |  Hess’ Law - Using Enthalpy of Formation (Ξ”Hf)

Q & A

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