Energy in reactions 2023
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Last updated 10 months ago
9 questions
Required
1
Which of the following reactions releases the most energy to the surroundings?
Which of the following reactions releases the most energy to the surroundings?
Required
1
Required
1
The following energy profiles for four different reactions are shown. Which reaction is the most exothermic?
The following energy profiles for four different reactions are shown. Which reaction is the most exothermic?
Required
2
Consider the four energy profile graphs shown below:
Identify the two diagrams that could represent the same reaction catalysed and uncatalysed.
Consider the four energy profile graphs shown below:
Identify the two diagrams that could represent the same reaction catalysed and uncatalysed.
- graph 1
- graph 2
- graph 3
- graph 4
- Graph showing reaction with catalyst present
- Graph showing reaction with NO catalyst present
1
Is the following statement True or False?
Is the following statement True or False?
1
Which of the letters (A - F) represents the energy of the products?
Which of the letters (A - F) represents the energy of the products?
1
Which of the letters (A - F) represents the energy of the activated complex?
1
Which of the letters (A - F) represents the activation energy (forward reaction)?
1
Which of the letters (A - F) represents the heat of reaction/change in enthalpy (forward reaction)?