![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 constant for the reaction](http://img.homeworklib.com/questions/39e709d0-615a-11ec-afb8-210fbe0a8c9c.png?x-oss-process=image/resize,w_560)
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Which of the following statements is true? [A] Catalysts are an effective means of changing the...
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 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.
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.
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.
Which of the following statements is TRUE? O If Q>K, it means the reverse reaction will...
Which of the following statements is TRUE? O If Q>K, it means the reverse reaction will proceed to form more reactants. O if Q<K, it means the reverse reaction will proceed to form more reactants. O If Q = K, it means the reaction is not at equilibrium. O None of the above are true.
Which of the following statements are true in this equilibrium state? A. The concentrations of reactants...
Which of the following statements are true in this equilibrium state? A. The concentrations of reactants and prodcuts are still changing with time. B. The concentrations of reactants and products are equal. C. The rates of the forward and reverse reactions are equal. D. The rate of the reverse reaction is greater than that of the forward reaction. E. The rate of the forward reaction is greater than that of the reverse reaction.
Select all of the true statements regarding chemical equilibrium. The concentrations of reactants and products are...
Select all of the true statements regarding chemical equilibrium. The concentrations of reactants and products are equal. The concentrations of reactants and products remain constant. Reactants are being converted to products and vice versa. The rates of the forward and reverse reactions are equal. Write the equilibrium constant expression for the reaction A(s)+3 B() 2C (aq) D(aq) in terms of [A]. [B]. [C], and [D] K = Write the equilibrium-constant expression for the reaction shown in terms of [A]. [B]....
Select all of the correct statements about equilibrium from the choices below. At equilibrium the rates of forward and r...
Select all of the correct statements about equilibrium from the choices below. At equilibrium the rates of forward and reverse reactions are equal. At equilibrium the rate of change of product concentration is zero. At equilibrium the forward rate constant equals zero. As a reaction proceeds backwards toward equilibrium the reverse rate drops. As a reaction proceeds forward toward equilibrium the reactant concentrations drop. At equilibrium no more reactants are transformed into products.
Which of the following is true about the following chemical reaction at equilibrium? PICK ALL THAT...
Which of the following is true about the following chemical reaction at equilibrium? PICK ALL THAT APPLY. C6H12O6 + 6O2 6CO2 + 6H2O + Energy A. The concentration of H2O equals the concentration of O2. B. The rate of the forward reaction, reactants to products, equals the rate of the reverse reaction, products to reactants. C. The C-C bonds hold more energy in C6H12O6 than the C-O bonds in CO2. Hint: think teter-toter. D. The concentration of O2 is changing...
need help with 6a and 6b Experiment 16: Reaction Rates and Equilibrium Part I CUCL 6...
need help with 6a and 6b
Experiment 16: Reaction Rates and Equilibrium Part I CUCL 6 H-0 grece CuiH-O 4 CTat Was Ini Experiment 16: Reaction Rates and Equitibrium Cu(OH): (s) 5. Consider the reaction: Cu (aq) + 2 OH(aq) Prodict whether the reaction shifts toward reactants or towards products with cach of the following changes Shift toward reactants or shift toward products? Change fadats SmMEH towaid CuCl; (Cu) added Shift Dwands NaOH (OH) added Shift pwar rtaetant HCI (H)...
12. Which of the following statements is true of enzyme catalysts? A B C To be...
12. Which of the following statements is true of enzyme catalysts? A B C To be effective, they must be present at the same concentration as their substrate. They can increase the equilibrium constant for a given reaction by a thousand-fold or more. They lower the activation energy for conversion of substrate to product. Their catalytic activity is independent of pH. They are generally equally active on D and L isomers of a given substrate. D E 13. In competitive...
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.
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.
Which of the following statements is TRUE? O If Q>K, it means the reverse reaction will proceed to form more reactants. O if Q<K, it means the reverse reaction will proceed to form more reactants. O If Q = K, it means the reaction is not at equilibrium. O None of the above are true.
Select all of the true statements regarding chemical equilibrium. The concentrations of reactants and products are equal. The concentrations of reactants and products remain constant. Reactants are being converted to products and vice versa. The rates of the forward and reverse reactions are equal. Write the equilibrium constant expression for the reaction A(s)+3 B() 2C (aq) D(aq) in terms of [A]. [B]. [C], and [D] K = Write the equilibrium-constant expression for the reaction shown in terms of [A]. [B]....
need help with 6a and 6b
Experiment 16: Reaction Rates and Equilibrium Part I CUCL 6 H-0 grece CuiH-O 4 CTat Was Ini Experiment 16: Reaction Rates and Equitibrium Cu(OH): (s) 5. Consider the reaction: Cu (aq) + 2 OH(aq) Prodict whether the reaction shifts toward reactants or towards products with cach of the following changes Shift toward reactants or shift toward products? Change fadats SmMEH towaid CuCl; (Cu) added Shift Dwands NaOH (OH) added Shift pwar rtaetant HCI (H)...
12. Which of the following statements is true of enzyme catalysts? A B C To be effective, they must be present at the same concentration as their substrate. They can increase the equilibrium constant for a given reaction by a thousand-fold or more. They lower the activation energy for conversion of substrate to product. Their catalytic activity is independent of pH. They are generally equally active on D and L isomers of a given substrate. D E 13. In competitive...
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