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QUESTION 3 Which of the following is true regarding the addition of a catalyst to a...
What effect would the addition of a catalyst have to the following reaction? B Energy A Reaction Progress A. None of the above B. "C" would decrease CC. "B" would increase CD."A" would decrease
QUESTION 5 Which of the following statements about a catalyst is true? Catalysts decrease the activation energy of a reaction. Catalysts decrease the rate of the forward reaction. Catalysts cause a system at equilibrium to shift towards the products. Catalysts cause a system at equilibrium to shift towards the reactants. Catalysts decrease the rate of the reverse reaction.
QUESTION 5 Which of the following statements about a catalyst is true? O Catalysts cause a system at equilibrium to shift towards the products. O Catalysts cause a system at equilibrium to shift towards the reactants. o Catalysts decrease the rate of the reverse reaction. O Catalysts decrease the rate of the forward reaction. o Catalysts decrease the activation energy of a reaction.
What effect would the addition of a catalyst have to the following reaction? B Energy A Reaction Progress
A large equilibrium constant a. results from the addition of a catalyst to a reaction mixture. b. indicates that the reaction favors the formation of products. c. indicates that the reaction favors the formation of reactants. d. indicates that a reaction has a large rate constant. e. indicates that a reaction has a small rate constant.
QUESTION 5 Which of the following statements about a catalyst is true? O Catalysts increase the rate of the reaction. Catalysts cause a system at equilibrium to shift towards the reactants. o Catalysts cause a system at equilibrium to shift towards the products. Catalysts increase the activation energy of a reaction. Catalysts decrease the rate of the reaction.
Which of the following statements is true? A catalyst increases the activation energy of the reaction. A catalyst increases the enthalpy change for the reaction. A catalyst increases the rate of both the forward reaction and the reverse reaction. A catalyst increases the rate of the forward reaction and decrease the rate of the reverse reaction.
6. [Le Châtelier's Principle] Consider the following system at equilibrium: CH&(g)+2H2O(g) CO2(g)+ 4H2(g) What change shown below will cause the equilibrium to shift to form more H2? A. increase [H2] B. decrease [H2O] C. decrease the volume of the reaction vessel D. decrease [CH4] E. decrease [CO2) b) (c) (e) x Y Reaction coordinate x+ Y 2 2. Refer to the Reaction Energy Diagram above for the following question. Which statement is TRUE regarding the diagram above? A. Letter (c)...
Model 1 - Potential Energy Diagrams 1) The energy (enthalpy) change of a reaction can be determined by the following expression: Activated Complex Transition State AH = Energy products - Energy reactants Activation Energy, E Reactants Consider the energy change for the reaction in Model 1 (the graph to the left). Potential Energy (kJ/mol) Energy change (AH) Products a) The energy change shown is (positive/negative). b) This reaction is (endothermic / exothermic). c) These (reactants / transition state) has more...
Question 21 (2 points) Which of the following dienes can undergo the Diels-Alder reaction? III IV Oa) III ob) 11 Oc) od) IV Question 22 (2 points) Predict the product(s) of the following reaction. нег ROOR Oa) HBr addition at the alkene position following Markonikov's rule Ob) HBr addition at the alkene position following Anti-Markonikov's rule Oc) H20 addition at the alkene position following Anti-Markonikov's rule od) H20 addition at the alkene position following Markonikov's rule