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QUESTION 5 Which of the following statements about a catalyst is true? O Catalysts increase the...
QUESTION 5 Which of the following statements about a catalyst is true? O Catalysts cause a...
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.
QUESTION 5 Which of the following statements about a catalyst is true? Catalysts decrease the activation...
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.
Which statement below is true only for a homogeneous catalysts? a. A homogeneous catalyst increase the...
Which statement below is true only for a homogeneous catalysts? a. A homogeneous catalyst increase the rate of reaction by providing an alternative pathway with a lower activation energy. b. A homogeneous catalyst is a solid substance to which liquid or gaseous reactants will adhere to the surface of the catalyst. c. A homogeneous catalyst is when the catalyst is in the same physical state as the reactant. d. A homogeneous catalyst will eventually be consumed in a chemical reaction.
Label the following statements about equilibrium as true or false. Adding a catalyst will increase the...
Label the following statements about equilibrium as true or false. Adding a catalyst will increase the amount of products. False The concentrations of reactants and products are constant. False The rate of the forward reaction equals the rate of the reverse reaction. True The value of the equilibrium constant will change if the temperature changes False
Which of the following statements is true? [A] Catalysts are an effective means of changing the...
Which of the following statements is true? [A] Catalysts are an effective means of changing the position of an equilibrium. B1 When two opposing processes are proceeding at identical rates, the system is at 2. equilibrium. IC] The concentration of the products equals that of reactants and is constant at equilibrium [D] An endothermic reaction shifts toward reactants when heat is added to the reaction. [E None of these statements is true. 3. If, at a given temperature, the equilibrium...
QUESTION 3 Which of the following is true regarding the addition of a catalyst to a...
QUESTION 3 Which of the following is true regarding the addition of a catalyst to a reaction? O A. The rate of the reverse reaction will decrease B. The AG of a reaction will decrease C. The equilibrium favors the products upon catalyst addition OD. The energy of the activated complex will decrease QUESTION 4 What effect would the addition of a catalyst have to the following reaction? B Energy A Reaction Progress OA. "B" would increase OB. "C" would...
uestion 1 Decrease in temperature of the following reaction results in shift towards 2502(g) + O2(g)...
uestion 1 Decrease in temperature of the following reaction results in shift towards 2502(g) + O2(g) 2503(g) + heat Reactants No Change Products Insufficient Information A Moving to another question will save this response. Question 2 As the reaction progress with time what happens to the followings: (1) Rate of the forward reaction (II) Concentration of products Increase, Increase Increase, Decrease Decrease, Increase Decrease, Decrease Which of the following is NOT true about catalyst Shifts direction of equilibrium reaction O...
6. [Le Châtelier's Principle] Consider the following system at equilibrium: CH&(g)+2H2O(g) CO2(g)+ 4H2(g...
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)...
Which of the following statements is true? A catalyst increases the activation energy 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.
Which one of the following statements is true? O A catalyst alters the equilibrium constant of...
Which one of the following statements is true? O A catalyst alters the equilibrium constant of a reaction and is neither a product nor a reactant in the overall equation. In order for a reaction to occur, product and reactant molecules must collide with each other. The transition state is a short-lived, high energy state, intermediate between products and reactants. In reactions that are first order in one reactant and first order in another, the slow step always involves a...
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.
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.
Label the following statements about equilibrium as true or false. Adding a catalyst will increase the amount of products. False The concentrations of reactants and products are constant. False The rate of the forward reaction equals the rate of the reverse reaction. True The value of the equilibrium constant will change if the temperature changes False
Which of the following statements is true? [A] Catalysts are an effective means of changing the position of an equilibrium. B1 When two opposing processes are proceeding at identical rates, the system is at 2. equilibrium. IC] The concentration of the products equals that of reactants and is constant at equilibrium [D] An endothermic reaction shifts toward reactants when heat is added to the reaction. [E None of these statements is true. 3. If, at a given temperature, the equilibrium...
QUESTION 3 Which of the following is true regarding the addition of a catalyst to a reaction? O A. The rate of the reverse reaction will decrease B. The AG of a reaction will decrease C. The equilibrium favors the products upon catalyst addition OD. The energy of the activated complex will decrease QUESTION 4 What effect would the addition of a catalyst have to the following reaction? B Energy A Reaction Progress OA. "B" would increase OB. "C" would...
uestion 1 Decrease in temperature of the following reaction results in shift towards 2502(g) + O2(g) 2503(g) + heat Reactants No Change Products Insufficient Information A Moving to another question will save this response. Question 2 As the reaction progress with time what happens to the followings: (1) Rate of the forward reaction (II) Concentration of products Increase, Increase Increase, Decrease Decrease, Increase Decrease, Decrease Which of the following is NOT true about catalyst Shifts direction of equilibrium reaction O...
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)...
Which one of the following statements is true? O A catalyst alters the equilibrium constant of a reaction and is neither a product nor a reactant in the overall equation. In order for a reaction to occur, product and reactant molecules must collide with each other. The transition state is a short-lived, high energy state, intermediate between products and reactants. In reactions that are first order in one reactant and first order in another, the slow step always involves a...
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