Calculating Energy Changes and Bond Energies in Chemical Reactions

Calculating Energy Changes and Bond Energies in Chemical Reactions

Assessment

Interactive Video

Chemistry, Science, Physics

University

Hard

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The video tutorial explains the concepts of bond energies, focusing on the energy changes during bond breaking and making. It distinguishes between endothermic and exothermic processes, providing examples of reactions such as hydrogen chloride formation and ammonia decomposition. The tutorial also covers how to calculate the overall energy change in a reaction and interpret reaction profiles.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What bonds need to be broken in the reaction of hydrogen gas and chlorine to form hydrogen chloride?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the overall energy change of the reaction between hydrogen and chlorine, and what does it indicate?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the reaction profile of an exothermic reaction.

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