CourseCourseConceptConceptDocumentDocument

Edexcel A-Level Chemistry AS 6.2 That By Convention Exothermic Reactions Have a Negative Enthalpy Change and Endothermic Reactions Have a Positive Enthalpy Questions

Use marked Edexcel IAL Chemistry questions to link heat release or absorption and observed temperature changes to the sign of an enthalpy change.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
AS

Exam points

  • Link negative enthalpy change to heat released and positive change to heat absorbed.
  • Use temperature or process-energy evidence to classify an exothermic or endothermic reaction.

Edexcel A-Level Chemistry AS 6.2 That By Convention Exothermic Reactions Have a Negative Enthalpy Change and Endothermic Reactions Have a Positive Enthalpy Questions question 1

[Maximum number: 1]

The standard enthalpy change of neutralisation for the reaction between sodium hydroxide solution and hydrochloric acid is −56 kJ mol−1-56 \mathrm{~kJ} \mathrm{~mol}^{-1}.

Which row in the table is correct for this neutralisation?

Reaction type

Temperature

exothermic

increases

exothermic

decreases

endothermic

increases

endothermic

decreases

All question bank results loaded