CourseCourseConceptConceptDocsDocuments

Edexcel IGCSE Chemistry 3 5c and Explain Energy Level Diagrams to Represent Questions

Practise energy-level diagram questions by placing reactants and products, then labelling ΔH with the correct arrow direction.

Syllabus
First assessment 2019
Course
Chemistry 4CH1

Exam points

  • Draw product and reactant energy levels in the correct relative positions.
  • Label horizontal lines with correct formulae or names for reactants and products.
  • Show ΔH with a vertical arrow from reactant level to product level on the diagram.

Edexcel IGCSE Chemistry 3 5c and Explain Energy Level Diagrams to Represent Questions question 1

[Maximum number: 3]

Gaseous ethanol is manufactured by reacting ethene gas with steam.

This is the equation for the reaction.

The equation shows the displayed formulae for the reactants and products.

Figure for Question Edexcel IGCSE Chemistry 3 5c and Explain Energy Level Diagrams to Represent Questions question 1 — Edexcel IGCSE Chemistry

The table gives the bond energies.

Table for Question Edexcel IGCSE Chemistry 3 5c and Explain Energy Level Diagrams to Represent Questions question 1 — Edexcel IGCSE Chemistry

Draw an energy level diagram for the reaction between ethene and steam.

Label the enthalpy change, ΔH\Delta H.

Figure for Question Edexcel IGCSE Chemistry 3 5c and Explain Energy Level Diagrams to Represent Questions question 1 — Edexcel IGCSE Chemistry
All question bank results loaded