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Which of the following provide(s) a valid description relating collisions and reaction rate? Decreasing the reactant...
Explain why each change in conditions would affect the reaction rate of reaction when sodium metal...
Explain why each change in conditions would affect the reaction rate of reaction when sodium metal reacts with chlorine gas to form NaCl? As a catalyst is added to the mixture the reaction rate will increase because As temperature decreases the reaction rate will decrease because As volume decreases the reaction rate will increase because As concentration increases the reaction rate will increase because As the surface area of a molecule is decreased the reaction rate will decrease because As...
Explain why each change in conditions would affect the reaction rate of reaction when sodium metal...
Explain why each change in conditions would affect the reaction rate of reaction when sodium metal reacts with chlorine gas to form NaCl? As volume increases the reaction rate will decrease because ? As concentration increases the reaction rate will increase because? As the surface area of a molecule is increased the reaction rate will increase because? As temperature decreases the reaction rate will decrease because? As pressure decreases the reaction rate will decrease because? As a catalyst is added...
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
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
Which of the following is a true statement relating reaction rates? Select one: O a. the...
Which of the following is a true statement relating reaction rates? Select one: O a. the higher the concentration of reactants, the lower the reaction rate O b. calatyst increases reaction rate by increasing activation energy c. inhibitors decrease reaction rate d. temperature does not affect reaction rates
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...
QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) – MgCl2(aq) + H2(g) Which of...
QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) – MgCl2(aq) + H2(g) Which of the following changes will decrease the rate of this reaction? Adding more solid Mg. Adding a catalyst. Decreasing the pressure of H2. Decreasing the temperature. Increasing the concentration of HCI.
QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) Which of...
QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) Which of the following changes will decrease the rate of this reaction? Adding more solid Mg. Adding a catalyst. Decreasing the pressure of H2. Decreasing the temperature. Increasing the concentration of HCI.
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...
Question 13 (1 point) Which of the following actions would increase the rate of a reaction?...
Question 13 (1 point) Which of the following actions would increase the rate of a reaction? Diluting the reactants by a factor of 2 Decreasing the temperature by 10°C Increasing the concentration of the reactants by a factor of 2 Increasing the concentration of the product by a factor of 2
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
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
Which of the following is a true statement relating reaction rates? Select one: O a. the higher the concentration of reactants, the lower the reaction rate O b. calatyst increases reaction rate by increasing activation energy c. inhibitors decrease reaction rate d. temperature does not affect reaction rates
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...
QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) – MgCl2(aq) + H2(g) Which of the following changes will decrease the rate of this reaction? Adding more solid Mg. Adding a catalyst. Decreasing the pressure of H2. Decreasing the temperature. Increasing the concentration of HCI.
QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) Which of the following changes will decrease the rate of this reaction? Adding more solid Mg. Adding a catalyst. Decreasing the pressure of H2. Decreasing the temperature. Increasing the concentration of HCI.
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...
Question 13 (1 point) Which of the following actions would increase the rate of a reaction? Diluting the reactants by a factor of 2 Decreasing the temperature by 10°C Increasing the concentration of the reactants by a factor of 2 Increasing the concentration of the product by a factor of 2
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