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1. Define the term activation energy 2. Study the graph below of a reaction 121 2.1. Calculate the activation energy for the reaction. A catalyst is now used in the same reaction. 2.2. Define the term catalyst 2.3. How will the activation energy of the catalysed reaction compare to the activation energy of the un-catalysed reaction? Write only GREATER THAN, LESS THAN or SAME 2.4. Hence draw the graph of the un-catalysed reaction and the catalysed reaction on the same set of axes. Indicate clearly which graph is for the un-catalysed and which graph is for the catalysed reaction 2) Ban 1.

1. Define the term activation energy 2. Study the graph below of a reaction 121 2.1. Calculate the activation energy for the reaction. A catalyst is now used in the same reaction. 2.2. Define the term catalyst 2.3. How will the activation energy of the catalysed reaction compare to the activation energy of the un-catalysed reaction? Write only GREATER THAN, LESS THAN or SAME 2.4. Hence draw the graph of the un-catalysed reaction and the catalysed reaction on the same set of axes. Indicate clearly which graph is for the un-catalysed and which graph is for the catalysed reaction 2) Ban 1.

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter11: Chemical Kinetics: Rates Of Reactions
Section: Chapter Questions
Problem 11.ACP: (Section 11-5) A rule of thumb is that for a typical reaction, if concentrations are unchanged, a...
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14:10 x + T / 1. Define the term activation energy 2. Study the graph below of a reaction Time (1) 2.1. Calculate the activation energy for the reaction. A catalyst is now used in the same reaction. 2.2. Define the term catalyst 2.3. How will the activation energy of the catalysed reaction compare to the activation energy of the un-catalysed reaction? Write only GREATER THAN, LESS THAN or SAME 2.4. Hence draw the graph of the un-catalysed reaction and the catalysed reaction on the same set of axes. Indicate clearly which graph is for the un-catalysed and which graph is for the catalysed reaction 3. Study the graph below to answer the questions that follow: Kinetic energy of particle (KE) Which graph (blue or green) shows the reaction in which a catalyst was used? Give a reason for your answer. ■ 4. Learners conducted an investigation on the decomposition of hydrogen peroxide. They used 50cm³ of 0, Imol.dm hydrogen peroxide in both experiments. In one experiment they used CuO as catalyst, while in another experiment they did not use a catalyst. The table below shows the results of the two experiments Experiment Volume of oxygen Time taken to produce oxygen produced (dm³) (s) 0.2 10 11 0.2 5 4.1. In which reaction (I or II) was CuO used? Give a reason for your answer 4.2. Calculate the rate of the catalysed reaction. Add a caption... > Status (Custom)
Transcribed Image Text:14:10 x + T / 1. Define the term activation energy 2. Study the graph below of a reaction Time (1) 2.1. Calculate the activation energy for the reaction. A catalyst is now used in the same reaction. 2.2. Define the term catalyst 2.3. How will the activation energy of the catalysed reaction compare to the activation energy of the un-catalysed reaction? Write only GREATER THAN, LESS THAN or SAME 2.4. Hence draw the graph of the un-catalysed reaction and the catalysed reaction on the same set of axes. Indicate clearly which graph is for the un-catalysed and which graph is for the catalysed reaction 3. Study the graph below to answer the questions that follow: Kinetic energy of particle (KE) Which graph (blue or green) shows the reaction in which a catalyst was used? Give a reason for your answer. ■ 4. Learners conducted an investigation on the decomposition of hydrogen peroxide. They used 50cm³ of 0, Imol.dm hydrogen peroxide in both experiments. In one experiment they used CuO as catalyst, while in another experiment they did not use a catalyst. The table below shows the results of the two experiments Experiment Volume of oxygen Time taken to produce oxygen produced (dm³) (s) 0.2 10 11 0.2 5 4.1. In which reaction (I or II) was CuO used? Give a reason for your answer 4.2. Calculate the rate of the catalysed reaction. Add a caption... > Status (Custom)
14:10 X + + T/ Provide answers to the following questions from the learning activity: 3.3.1 2.2 3.3.2 2.3 3.3.3 3 3.3.4 4.1 3.3.5 4.2 Add a caption... > Status (Custom) 3.3
Transcribed Image Text:14:10 X + + T/ Provide answers to the following questions from the learning activity: 3.3.1 2.2 3.3.2 2.3 3.3.3 3 3.3.4 4.1 3.3.5 4.2 Add a caption... > Status (Custom) 3.3
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