How Do You Solve Enthalpy Cycle Problems in Chemistry?

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SUMMARY

The discussion centers on solving enthalpy cycle problems in chemistry, specifically addressing the conservation of energy within an enthalpy cycle. Participants express difficulty in accurately drawing the enthalpy cycle and understanding its components. The enthalpy cycle is defined as the pathway of enthalpy changes during a chemical reaction, crucial for determining the energy changes involved. Clear guidance on drawing the cycle and understanding the relationships between reactants and products is essential for successful problem-solving.

PREREQUISITES
  • Understanding of thermodynamics principles, particularly enthalpy.
  • Familiarity with chemical equations and reaction mechanisms.
  • Knowledge of energy conservation laws in chemical processes.
  • Ability to interpret and create graphical representations of chemical cycles.
NEXT STEPS
  • Study the principles of enthalpy changes in chemical reactions.
  • Learn how to construct and interpret enthalpy cycle diagrams.
  • Review examples of enthalpy cycles in various chemical reactions.
  • Explore the application of Hess's Law in calculating enthalpy changes.
USEFUL FOR

Chemistry students, educators, and anyone involved in thermodynamics or chemical engineering who seeks to deepen their understanding of enthalpy cycles and energy conservation in chemical reactions.

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Homework Statement


rNoD3Lm.png

http://i.imgur.com/rNoD3Lm.png

Homework Equations


Conservation of energy in an enthalpy cycle

The Attempt at a Solution


I can't complete draw the enthalpy cycle!
l50630IMG_4306s76.jpg

http://upload.lsforum.net/users/public/l50630IMG_4306s76.jpg

Can anyone help me? Thank you very much!
 
Last edited:
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What's an enthalpy cycle?
 
Chestermiller said:
What's an enthalpy cycle?
That means the enthalpy changing route
like what i have written for this question... but i believe i have done something wrong in that... because that doesn't seem to form the product as mentioned in the required chemical equation
 
Draw an arrow from top left to bottom right. What have you got?
 

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