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Questions and Answers
What is the minimum energy required to cause a reaction to occur?
What is the minimum energy required to cause a reaction to occur?
- Free energy
- Activation energy (correct)
- Potential energy
- Heat of reaction
What is an activated complex in the context of chemical kinetics?
What is an activated complex in the context of chemical kinetics?
- A stable state before the reaction starts
- A state with minimum potential energy
- An intermediate state formed during the conversion of reactants into products (correct)
- A state with maximum potential energy
Which equation can be used to calculate the activation energy?
Which equation can be used to calculate the activation energy?
- van 't Hoff equation: $ln(K_2/K_1) = -rac{ riangle H}{R}(1/T_2 - 1/T_1)$
- Gibbs free energy change: $ riangle G = riangle H - T riangle S$
- Arrhenius equation: $k = A e^{-E_a/RT}$ (correct)
- Maxwell-Boltzmann distribution: $f(v) = 4 ext{ }eta v^2 e^{-eta mv^2/2kT}$
What must happen for a reaction to proceed according to the text?
What must happen for a reaction to proceed according to the text?
What does the Maxwell-Boltzmann distribution describe?
What does the Maxwell-Boltzmann distribution describe?
Which type of reaction depends on the heat of reaction?
Which type of reaction depends on the heat of reaction?
What is the relationship between the Maxwell-Boltzmann distribution and temperature?
What is the relationship between the Maxwell-Boltzmann distribution and temperature?
What does the Arrhenius equation relate to the reaction rate?
What does the Arrhenius equation relate to the reaction rate?
How is the activation energy related to the potential energies in an energy diagram?
How is the activation energy related to the potential energies in an energy diagram?
What is the significance of the activated complex in a chemical reaction?
What is the significance of the activated complex in a chemical reaction?
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