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A reaction is endothermic if the

Chemistry
WAEC 2018

A reaction is endothermic if the

  • A. reaction vessel feels cool during the reaction
  • B. enthalpy change is negative
  • C. bond forming energy exceeds bond breaking energy
  • D. heat of formation of reactants exceeds heat of formation of products
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Correct Answer: Option A
Explanation

Endothermic reactions absorb heat from their surroundings during the reaction process. This means that in the course of the reaction the vessel being used in the reaction will be cool in the process.

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WAEC offline past questions - with all answers and explanations in one app - Download for free
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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709