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In a chemical reaction, what does the term 'activation energy' refer to? (2023)

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Question: In a chemical reaction, what does the term \'activation energy\' refer to? (2023)

Options:

  1. Energy released during the reaction
  2. Energy required to initiate the reaction
  3. Energy needed to maintain the reaction
  4. Energy that is lost

Correct Answer: Energy required to initiate the reaction

Exam Year: 2023

Solution: 

Activation energy is the minimum energy required to initiate a chemical reaction.

In a chemical reaction, what does the term 'activation energy' refer to? (2023)

Practice Questions

Q1
In a chemical reaction, what does the term 'activation energy' refer to? (2023)
  1. Energy released during the reaction
  2. Energy required to initiate the reaction
  3. Energy needed to maintain the reaction
  4. Energy that is lost

Questions & Step-by-Step Solutions

In a chemical reaction, what does the term 'activation energy' refer to? (2023)
  • Step 1: Understand that a chemical reaction is a process where substances change into different substances.
  • Step 2: Know that for a reaction to start, the molecules need a certain amount of energy.
  • Step 3: This required energy is called 'activation energy'.
  • Step 4: Think of activation energy as a 'starting push' needed to get the reaction going.
  • Step 5: If the energy is less than the activation energy, the reaction will not happen.
  • Activation Energy – The minimum energy required to initiate a chemical reaction.
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