GCSE Chemistry: Bond Energy Calculations – Revision Quiz

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About this quiz

This GCSE Chemistry: Bond Energy Calculations – Revision Quiz quiz contains 10 multiple choice questions designed to help you revise and test your GCSE Chemistry knowledge. Select an answer for each question and click “Submit Answer” to see instant feedback. Take your time and try to score as high as possible!

Description

Test your knowledge of bond energy calculations, using bond energies to determine whether reactions are exothermic or endothermic for GCSE Chemistry.

Progress0 / 10 answered
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Question 1 of 10

Bond energy is the amount of energy needed to:
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Question 2 of 10

To calculate the overall energy change of a reaction using bond energies, you:
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Question 3 of 10

If the energy needed to break bonds is greater than the energy released making bonds, the reaction is:
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Question 4 of 10

If the energy released making bonds is greater than the energy needed to break bonds, the reaction is:
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Question 5 of 10

In the reaction H₂ + Cl₂ → 2HCl, the bonds broken are:
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Question 6 of 10

In the reaction H₂ + Cl₂ → 2HCl, the bonds formed are:
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Question 7 of 10

Given bond energies: H–H = 436 kJ/mol, Cl–Cl = 242 kJ/mol, H–Cl = 431 kJ/mol. The energy change for H₂ + Cl₂ → 2HCl is:
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Question 8 of 10

Bond energy calculations give approximate values because:
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Question 9 of 10

The combustion of methane (CH₄ + 2O₂ → CO₂ + 2H₂O) is exothermic. This means:
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Question 10 of 10

Bond energy values are always:

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