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Laabri

Energy in reactions 2022

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Last updated over 1 year ago
10 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Which of the following reactions releases the most energy to the surroundings?

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2.

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3.

The following energy profiles for four different reactions are shown. Which reaction is the most exothermic?

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4.

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

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5.

Is the following statement True or False?

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6.

Which of the letters (A - F) represents the energy of the products?

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7.

Which of the letters (A - F) represents the energy of the activated complex?

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8.

Which of the letters (A - F) represents the activation energy (forward reaction)?

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9.

Which of the letters (A - F) represents the heat of reaction/change in enthalpy (forward reaction)?

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10.

Which of the letters (A - F) represents the activation energy for the reverse reaction?