Rates of Reactions Consider reactions of the type: Reactant 1 + Reactant 2 Products The activation energy, temperature and initial reactant concentrations of four such reactions are as follows: Activation Concentration Concentration Temperature of Reactant1 of Reactant 2 Energy Reaction A: 40 kJ/mol 15°C 1 M 1M Reaction B: 40 kJ/mol Reaction C: 40 kJ/mol 2 M 1 M 1 M 40°C 15°C 2 M Reaction D: 50 kJ/mol 15°C 1 M 1 м For each of the following pairs of the above reactions, select the letter label associated with the slower reaction. O A Ос D B ОА Ов

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Chapter11: Rate Of Reaction
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Rates of Reactions
Consider reactions of the type:
Reactant 1 + Reactant 2–
Products
The activation energy, temperature and initial reactant concentrations of four such reactions are as follows:
Activation
Concentration Concentration
Temperature
Energy
of Reactant 1 of Reactant 2
Reaction A: 40 kJ/mol
15°C
1 M
1 M
Reaction B: 40 kJ/mol
40°C
1 M
2 М
Reaction C: 40 kJ/mol
15°C
1 M
2 М
Reaction D: 50 kJ/mol
15°C
1 M
1 M
For each of the following pairs of the above reactions, select the letter label associated with the slower reaction.
O A
B
O B
A
Ов
Assume that the reaction rate is proportional to the product of the reactant concentrations.
Any factors affecting reaction rate which are not included in the table are assumed to be the same in all four cases.
No calculations are needed.
You should arrive at your conclusions from simple inspection of the table entries.
Transcribed Image Text:Rates of Reactions Consider reactions of the type: Reactant 1 + Reactant 2– Products The activation energy, temperature and initial reactant concentrations of four such reactions are as follows: Activation Concentration Concentration Temperature Energy of Reactant 1 of Reactant 2 Reaction A: 40 kJ/mol 15°C 1 M 1 M Reaction B: 40 kJ/mol 40°C 1 M 2 М Reaction C: 40 kJ/mol 15°C 1 M 2 М Reaction D: 50 kJ/mol 15°C 1 M 1 M For each of the following pairs of the above reactions, select the letter label associated with the slower reaction. O A B O B A Ов Assume that the reaction rate is proportional to the product of the reactant concentrations. Any factors affecting reaction rate which are not included in the table are assumed to be the same in all four cases. No calculations are needed. You should arrive at your conclusions from simple inspection of the table entries.
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