Homework Answers
1. The temperature needs to be increased to make the catalyst work better
2. More surface means more reaction
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6 of 15 A student observes that the reaction rate of the catalyzed reaction A B+C...
2) in a catalyzed chemical reaction, one function of a catalyst is to A) increase the...
2) in a catalyzed chemical reaction, one function of a catalyst is to A) increase the number of successful reactant collisions. B) decrease the concentration of reactants. change the equilibrium concentrations of the products and react D) increase the energy given off during the reaction E) increase the temperature at which the reaction is carried out. 3) Refrigerating perishable foods affects biochemical reactions by A) increasing concentrations of antioxidants. B) removing bacteria. C) decreasing the rate of reactions affecting spoilage....
"7 ITS O a ana m. rConsider an enzyme suríace catalyzed bimolecular reaction betweeri molecules A...
"7 ITS O a ana m. rConsider an enzyme suríace catalyzed bimolecular reaction betweeri molecules A and B, which has where A is the fraction of surface sites occupied by reactant A a rate law of the form v k200 and e is the fraction of surface sites occupied by reactant B. The mechanism proposed as follows: A(a)+surface sites AS [fast oquilibrium, k,(A) forward rate and k (A) reverse rate}- -(1) B(g)+surface sites= B3 [fas' equilibrium, k, (B) forward rate...
Consider the following reaction and its associated rate law A + B - C; rate =...
Consider the following reaction and its associated rate law A + B - C; rate = k[A]2 Which of the following will not increase the rate of the reaction? Select one: a. increasing the concentration of reactant A O b. increasing the concentration of reactant B O c. increasing the temperature of the reaction d. adding a suitable catalyst O e. all of the above
A+B=C+D equilibrium constant can be expressed as a ratio of the concentrations: KOD AB his is...
A+B=C+D equilibrium constant can be expressed as a ratio of the concentrations: KOD AB his is an elementary chemical reaction, then there is a single forward rate and a single reverse rate for this reaction, which can be written as follows: forward rate = kr[A][B] reverse rate = k CD ere kr and ky are the forward and reverse rate constants, respectively. When equilibriums reached, the forward and reverse rates are equal ky[A] B-k CD us, the rate constants are...
Question 15 4 pts Consider the following generic reaction and the corresponding rate law: X+Y+zStuff Rate...
Question 15 4 pts Consider the following generic reaction and the corresponding rate law: X+Y+zStuff Rate = k[Y][Z]2 Which of the following changes will NOT increase the rate of this reaction? Increasing the concentration of reactant X Increasing the concentration of reactant z Adding a catalyst Increasing the temperature O Increasing the average number of collisions per second of the reactants
48. If the conversion of A to B is slow and B to C is fast, what is the rate equation for this reaction? A) Rate =...
48. If the conversion of A to B is slow and B to C is fast, what is the rate equation for this reaction? A) Rate = K[(CH3CHCI][H20] B) Rate - K[(CH3)2CHCI] C) Rate = K[(CH3)CH] [H0] D) Rate = {[(CH3)2CH] 49. Which of the following statements about a catalyst is true? A) A catalyst accelerates a reaction by changing the amount of reactant and product at equilibrium B) A catalyst accelerates a reaction by lowering the energy of activation...
12.) Which of the following factors influence the rate of a reaction? A) Temperature B) Reactant...
12.) Which of the following factors influence the rate of a reaction? A) Temperature B) Reactant concentration C) A catalyst D) Temperature, reactant concentration, and a catalyst 13.) A fast reaction rate for a chemical reaction is dependent on: A) having a large activation energy B) having a small activation energy C) being exothermic D) being endothermic 14.)) A catalyst is A) a substance that decreases the energy of the products. B) a product in a chemical reaction. c) a...
4 of 15 Determine the overall reaction order for the reaction, A C+D using the table...
4 of 15 Determine the overall reaction order for the reaction, A C+D using the table of data below: Experiment Initial [A]/M Initial [B]/M Initial rate/M s. 1 1 2 0.010 0.020 0.040 0.075 0.050 0.025 0.0017 0.0015 0.0016 O O WN - o O O 5 of 15 Which of the following would have the greatest effect on the value of the rate law constant in the rate law equation, rate=k[A]? O increasing the concentration of the reactant O...
9. Use the following vocabulary terms to correctly fill in the blanks. (Extra Practice) Vocabulary catalyst...
9. Use the following vocabulary terms to correctly fill in the blanks. (Extra Practice) Vocabulary catalyst energy catalytic converter collisions rate of reaction concentration surface area dilute temperature 1. A freshly exposed surface of metallic sodium tarnishes almost instantly if exposed to air and moisture, while iron will slowly turn to rust under the same conditions. In these two situations, the refers to how quickly or slowly reactants turn into products. 2. Adding will increase the rate of reaction because...
Just give me the answers Species is 15) a catalyst? O O_3 HO_2 HO What is...
Just give me the answers
Species is 15) a catalyst? O O_3 HO_2 HO What is the activation energy for the formulation of ozone? 14 kJ 406 kJ 392 kJ none of these the decomposition of dinitrogen pentoxide is described by the chemical equation 2 N_2 O_5 (g) rightarrow 4 NO_2 (g) + O_2 (g) If the rate of disappearance of N_2 O_5 is equal to 1.40 mole/min at a particular moment, what is the rate of appearance of NO_2...
2) in a catalyzed chemical reaction, one function of a catalyst is to A) increase the number of successful reactant collisions. B) decrease the concentration of reactants. change the equilibrium concentrations of the products and react D) increase the energy given off during the reaction E) increase the temperature at which the reaction is carried out. 3) Refrigerating perishable foods affects biochemical reactions by A) increasing concentrations of antioxidants. B) removing bacteria. C) decreasing the rate of reactions affecting spoilage....
"7 ITS O a ana m. rConsider an enzyme suríace catalyzed bimolecular reaction betweeri molecules A and B, which has where A is the fraction of surface sites occupied by reactant A a rate law of the form v k200 and e is the fraction of surface sites occupied by reactant B. The mechanism proposed as follows: A(a)+surface sites AS [fast oquilibrium, k,(A) forward rate and k (A) reverse rate}- -(1) B(g)+surface sites= B3 [fas' equilibrium, k, (B) forward rate...
Consider the following reaction and its associated rate law A + B - C; rate = k[A]2 Which of the following will not increase the rate of the reaction? Select one: a. increasing the concentration of reactant A O b. increasing the concentration of reactant B O c. increasing the temperature of the reaction d. adding a suitable catalyst O e. all of the above
A+B=C+D equilibrium constant can be expressed as a ratio of the concentrations: KOD AB his is an elementary chemical reaction, then there is a single forward rate and a single reverse rate for this reaction, which can be written as follows: forward rate = kr[A][B] reverse rate = k CD ere kr and ky are the forward and reverse rate constants, respectively. When equilibriums reached, the forward and reverse rates are equal ky[A] B-k CD us, the rate constants are...
Question 15 4 pts Consider the following generic reaction and the corresponding rate law: X+Y+zStuff Rate = k[Y][Z]2 Which of the following changes will NOT increase the rate of this reaction? Increasing the concentration of reactant X Increasing the concentration of reactant z Adding a catalyst Increasing the temperature O Increasing the average number of collisions per second of the reactants
48. If the conversion of A to B is slow and B to C is fast, what is the rate equation for this reaction? A) Rate = K[(CH3CHCI][H20] B) Rate - K[(CH3)2CHCI] C) Rate = K[(CH3)CH] [H0] D) Rate = {[(CH3)2CH] 49. Which of the following statements about a catalyst is true? A) A catalyst accelerates a reaction by changing the amount of reactant and product at equilibrium B) A catalyst accelerates a reaction by lowering the energy of activation...
12.) Which of the following factors influence the rate of a reaction? A) Temperature B) Reactant concentration C) A catalyst D) Temperature, reactant concentration, and a catalyst 13.) A fast reaction rate for a chemical reaction is dependent on: A) having a large activation energy B) having a small activation energy C) being exothermic D) being endothermic 14.)) A catalyst is A) a substance that decreases the energy of the products. B) a product in a chemical reaction. c) a...
4 of 15 Determine the overall reaction order for the reaction, A C+D using the table of data below: Experiment Initial [A]/M Initial [B]/M Initial rate/M s. 1 1 2 0.010 0.020 0.040 0.075 0.050 0.025 0.0017 0.0015 0.0016 O O WN - o O O 5 of 15 Which of the following would have the greatest effect on the value of the rate law constant in the rate law equation, rate=k[A]? O increasing the concentration of the reactant O...
9. Use the following vocabulary terms to correctly fill in the blanks. (Extra Practice) Vocabulary catalyst energy catalytic converter collisions rate of reaction concentration surface area dilute temperature 1. A freshly exposed surface of metallic sodium tarnishes almost instantly if exposed to air and moisture, while iron will slowly turn to rust under the same conditions. In these two situations, the refers to how quickly or slowly reactants turn into products. 2. Adding will increase the rate of reaction because...
Just give me the answers
Species is 15) a catalyst? O O_3 HO_2 HO What is the activation energy for the formulation of ozone? 14 kJ 406 kJ 392 kJ none of these the decomposition of dinitrogen pentoxide is described by the chemical equation 2 N_2 O_5 (g) rightarrow 4 NO_2 (g) + O_2 (g) If the rate of disappearance of N_2 O_5 is equal to 1.40 mole/min at a particular moment, what is the rate of appearance of NO_2...
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