Crushing a solid into a powder will increase the reaction rate because ________.  A. the particles will collide with more energy  B the powdered form has more surface area C. the activation energy barrier will be lowered D. the orientation of colliding particles

Q: Which of the following is true of the rates of most chemical reactions?    A. The initial rate is…

A: The reaction rate depends on the concentration of reactants.

Q: For the reaction shown, what is true for the rate and extent of the reaction with an increase in…

A: If the temperature of a reaction increases then the kinetic energy of the reaction increase so the…

Q: Which of the following statements is false? OA A catalyst increases the rate of a reaction, but is…

A: The catalyst is a chemical species that increases the rate of a chemical reaction and it does not…

Q: In chemical kinetics one factor that affects the rate is the nature of the reactants. This is…

A: The kinetics of the reaction can be explained on the basis of collision theory,

Q: "For an endothermic reaction, the activation energy will always be greater than the enthalpy change…

A: given endothermic reaction exothermic reaction

Q: 12. The amount of energy given out when a reaction occurs is d. kinetic energy e. potential energy…

A: Answer:Reactions can be classified on the basis of energy exchange during the chemical reaction and…

Q: Consider a hypothetical chemical reaction: A+B C+D (In this equation A, B, C and D stand for some…

A:

Q: 1. In a change, one kind of matter is turned into another. 2. A chemical reaction is accompanied by…

A: "Since there are multiple sub-parts in this question so I am solving only the first three sub-parts.…

Q: A В Products Reactants AH AH Reactants Products Reaction Progress - Reaction Progress- Potential…

A: Graph of endothermic reaction and purpose of catalyst

Q: What is activation energy?  Select one:

A:

Q: 22. The reactants in a formation reaction can be elements or compounds as long as they are in their…

A: It is given a statement.we have to select true or false.

Q: Relative energies of reactants, intermediates and products in a chemical reaction are shown in the…

A: An energy profile diagram is used to study the energy of the transition states and intermediates…

Q: performed on a chemical reaction will lower it's activation energy? i) increasing the concentration…

A: Activation energy is the minimum amount of energy needed by the molecules to complete /happen a…

Q: Which of the following is TRUE? Select one: A. A catalyst is not consumed in the reaction. B. A…

A: A catalyst is defined as a chemical substance that increases the rate of the chemical reaction. It…

Q: Images

A: Given that : We have to identify the correct statement for the above sentence out of the below four…

Q: Consider the data from the previous question again. A B rate= 4.0 M/s B-->C rate = 1.5 M/min C-->D…

A: Given,

Q: Organic molecules such as alkenes and alkynes undergo reaction with H₂(g) in the presence of a solid…

A: Since the reaction is taking place between the  alkenes and alkynes which are not in solid phase and…

Q: Increasing the temperature of a reaction   a. increases the rate by increasing the percent of…

A: Increasing the temperature of reaction increases the kinetic energy of the reactants.

Q: In an exothermic reaction,   Multiple Choice (select one)   a. the activation energy will change…

A:

Q: For a reaction that has reactant A in its rate law, select which factor(s) affect the reaction rate…

A:

Q: Consider this energy diagram showing the energy of a reaction as it progresses: M a. How many…

A: The progress of a reaction can be represented by the reaction coordinate diagram. In a reaction…

Q: Please fill in the spaces If we increase the concentration of reactants, there are ______…

A: THE GIVEN FILLUPS CAN BE COMPLETED AS FOLOWS:

Q: Explain how an increase in temperature will affect the activation energy and the rate of the…

A: Chemical kinetics is the study of the reaction that how fast or slow a reaction is taking place. The…

Q: A formation reaction h

A: 10. A formation reaction has elements in standard states as reactant.     TRUE Ex.  2Fe(s) +32O2(g)…

Q: O a. only when there are two alternate pathways to take. O b. by providing an alternate pathway for…

A: Kinetic energy is directly proportional to the temperature

Q: The theoretical effect of an increase in the initial concentration of a reactant can be explained in…

A: Answer:To form the product reactant molecules need to overcome an energy barrier called as…

Q: Consider a hypothetical chemical reaction: A+B C+D (In this equation A, B, C and D stand for some…

A: The given hypothetical reaction : A + B → C + D

Q: Match each label in diagrams 1 anc answer choice is used only once O

A: The sets for matching the labeled diagram is given:Activation energy is the energy barrier to be…

Q: According to the collision theory for chemical reactions, why do most reaction rates increase with…

A: Collision theory of reaction rate: According to the collision theory of reaction rate, the randomly…

Q: A catalyst provides an alternate pathway for a reaction to occur. The alternate pathway has a lower…

A: The stoichiometry of the reaction does not change because when a catalyst is present in the reaction…

Q: Which one of the following factors does not affect the specific rate constant of a chemical…

A:

Q: 9. An increase in temperature increases the reaction rate. What is the best reason to explain this…

A: Applying statement of kinetic theory Ek= 3/2kT

Q: Consider the data from the previous question again.  A--> B          rate= 4.0 M/s B-->C…

A: Rate determine step of a multistep reaction is the slowest step among the all steps.

Q: How can the reaction rate for a high pressure gaseous reactant be slow at low temperatures? A)…

A: Given information: Low temperature High pressure