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21. Account for the relationship between the rate of a reaction and its activation energy. A....
Consider the relationship between the energy of electromagnetic radiation and its wavelength. What will happen if the energy decreases? The wavelength will remain the same. The wavelength will decrease. The wavelength will increase. What will happen if the wavelength decreases? The energy will decrease. The energy will remain the same. The energy will increase.
16. What is the relationship between free energy change of a reaction and the equilibrium constant? A B C D 17. The rate law for the reaction is first order in [A] and second order in [B]. If [A] is halved and [B] is doubled, by what factor does the rate increase, decrease, or remain the same? Explain 18. Consider the potential energy diagram shown below to answer the following question? Where is the transition state of the slower step....
Describe the relationship of activation energy with rate of reaction and the effect a catalyst has on the activation energy. Name two other ways to speed up a reaction besides using a catalyst. 4. 5. Consider the following mechanism for a reaction: No,CNO, + Cl (slow) No,CI+C->NO, +CIh (fast) (a) Write the net reaction and identify any intermediates (b) Derive the rate law for the reaction.
Question 35 (1 point) The relationship between the activation energy of the forward and reverse reactions is related by the energy difference between the reactants and products. If the reactants are higher in energy than the products, the activation energy for the forward reaction will be smaller than the activation energy for the reverse reaction and vice versa True False Question 36 (1 point) A catalyst is a substance that is not used up during a reaction. It also does...
Explain why increasing the temperature increases the reaction rate. Can you cite a quantitative relationship between the two (a math equation)? At 20.0 degree C the rate constant for a reaction is 0.125M^-1min^-1. What will be the value of the rate constant at 32.0 degree C? the activation energy for the reaction is 57.2kJ/mole
Explain why each change in conditions would affect the reaction rate of reaction when sodium metal reacts with chlorine gas to form NaCl? As a catalyst is added to the mixture the reaction rate will increase because As temperature decreases the reaction rate will decrease because As volume decreases the reaction rate will increase because As concentration increases the reaction rate will increase because As the surface area of a molecule is decreased the reaction rate will decrease because As...
The activation energy of an uncatalyzed reaction is 91 kJ/mol . The addition of a catalyst lowers the activation energy to 59 kJ/mol . A.) Assuming that the collision factor remains the same, by what factor will the catalyst increase the rate of the reaction at 26 ∘C ? Express the ratio to two significant digits B.) Assuming that the collision factor remains the same, by what factor will the catalyst increase the rate of the reaction at 120 ∘C...
Determine the activation energy of a reaction whose rate decreases by a factor of 2.2 when the temperature of the reaction is decreased from 155 °C to 135 °C.
_13) The activation energy of a reaction is 100 kJ/mole. The increase in the rate constant when its temperature is raised from 295 to 300 K is approximately: A) 50% B) 100% C) 10% D) 25%
The activation energy of a certain reaction is 35.5 kJ/mol . At 21 ∘C , the rate constant is 0.0110s−1. At what temperature in degrees Celsius would this reaction go twice as fast?