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14 solutions

Energy Diagram

Q. The activation energy Ea values were determined for these four reactions as: Reaction 1: 47 kj/mol reaction 2: 118 kj/mol reaction 3: 17 kj/mol reaction 4: 96 kj/mol which one of these reactions will be the fastest ( all run at the same temperature, and the same concentration of reactants? can you explain this Q&A

Solved • Jul 19, 2019

Energy Diagram

Q. For the reaction ABC + D = AB + CD delta Hrxn = -80 kJ/mol and Ea(fwd) = 195 kJ/mol. Assuming a one-step reaction, calculate Ea(rev).

Solved • Jul 10, 2019

Energy Diagram

Q. Consider reactions A, B, and C, which have the potential energy profiles shown. Assuming that the reactions have roughly the same frequency factors, which reaction is the slowest? a. reaction A b. reaction B c. reaction C d. All of the reactions have the same rate.

Solved • Jul 1, 2019

Energy Diagram

Q. A transition state is a species (or state) corresponding to an energy maximum on a reaction energy diagram. True or False

Solved • Jul 1, 2019

Energy Diagram

Q. Consider the following potential energy profile for the A -> B reaction. The overall reaction is a. endothermic. b. exothermic.

Solved • Jul 1, 2019

Energy Diagram

Q. Label the following multi-step reaction energy diagram. delta Hrxn > 0, Ea(step 2), Products, delta Hrxn < 0, Ea(step 1), Transition State, Reaction Intermediate, Reactants

Solved • Jul 1, 2019

Energy Diagram

Q. What is the name given to the slowest step in the mechanism of a reaction? a. catalytic step b. mechanistic step c. rate-determining step d. step 1 e. rate step

Solved • Jul 1, 2019