Activation energy of uncatalyzed reaction and the catalyzed reaction A. If the first quantity is less than the second quantity B. If the first quantity is greater than second quantity C. If the two quantities are equal D. If the two quantities cannot be compared

Q: Any chemical or physical change that absorbs energy O is an endothermic process. O is an exothermic…

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Q: Which is true about catalyzed reactions? O All of the choices Catalyst lowers the activation energy…

A: Catalyst- Any substance that increases the rate of a reaction without itself being consumed. Enzymes…

Q: the activation energy is the energy: a) average kinetics of interacting particles; b) that must have…

A: Activation energy: The reactants in a chemical reaction combine to form products only if the energy…

Q: Why are homogeneous catalysts harder to sepårate from products and leftover reactants than are…

A: Catalysts are the chemical compounds which are used in the chemical reaction which increases the…

Q: How do the activation energy and the energy of reaction determine if a chemical process is…

A: Activation energy is the minimum amount of energy required to start a reaction.  Every reaction…

Q: According to the Collision Theory, the rate of the reaction is equal to the total number of particle…

A: Given Too know about the Collision Theory and the rate of the reaction is equal to the total number…

Q: What is activation energy?  Select one:

A:

Q: Define activation energy. What role does activation energy play in chemical kinetics?

A: The branch of chemistry that deals with the rates of a chemical reaction or we can say that the…

Q: c) What is the activation energy in each direction? rate of the reverse reaction?

A: C) activation energy in forward direction= energy of activated comlpex-energy of rectants=…

Q: For an endothermic reaction, which statement is true? Group of answer choices The activation…

A: The reaction in which the heat is given to the system is known as the endothermic reaction. The…

Q: at is the activation energy of the reverse reaction? reverse) kJ

A: In this question heat is positive so energy product is greater than energy of reactant. Activation…

Q: What will happen if the necessary substances for a reaction are placed together but the activation…

A: First of all we will discuss about the term Activation energy. The activation energy is the minimum…

Q: Choose the correct answer The rate-determining step in heterogeneous catalysis is: Group of answer…

A: Answer - The correct option is c.the "slowest" step According to the question - Given - In chemical…

Q: 1. Examine the image, which shows four chemical systems of colliding molecules. Which chemical…

A: Reaction rate is the measurement of speed of the reaction. It says how fast the reaction takes…

Q: (a) On the reaction profile below label the transition state(s), intermediate(s) and activation…

A: There are 3 activation energy State Present in the reaction profile

Q: True or False?  The relationship between the activation energy of the forward and reverse reactions…

A: We know that activation energy is the minimum amount of energy that is to be added to the energy of…

Q: In an uncatalyzed reaction, the rate will be the fastest reaction rate: (A) (B) Initial…

A: Catalyst is the substance which increase rate of reaction by decreasing the activation energy. It…

Q: If the temperature of a reaction is increased, the rate also increases. Which best explains why this…

A: 1) An increase in temperature typically increases the rate of reaction. 2) An increase in…

Q: The activation energy is the minimum amount of energy necessary for a chemical reaction to occur. O…

A: Activation Energy (Ea) :- Yes, activation energy is the minimum amount of energy required for a…

Q: slope is -0.0450 for this reaction, determine the rate constant

A: Given,  Slope = -0.0450 We know that, for the variation in concentration vs time the slop of the…

Q: Explain why just having a collision between two molecules of reactants may not form the desired…

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Q: The rate constant for a particular the concentration to decrease to

A: Rate constant can be useful in prediction of type of reaction . In above situation the unit of rate…

Q: What is the reaction mechanism?

A: Here we have to write mechanism of the following synthesis reaction.

Q: Which is true about catalyzed reactions? O The net concentration of catalyst does not change O…

A: Given,       Some characteristics of Catalyzed reaction are provided     Required,…

Q: Which step has the highest activation energy?

A: The activation energy (Ea) is the minimum energy that is required to start any reaction  Here, the…

Q: ) What is the activation energy in each direction? rate of the reverse reaction?

A:

Q: What is the instantaneous rate of the reaction?

A: The instantaneous rate is the rate of a reaction at any particular point in time, a period of time…

Q: Increasing the temperature will speed up the reaction because the number of collisions with energy…

A: For a chemical reaction, the rate of reaction increases as we increase the temperature of the…

Q: Describe how the particles of two substances interact when mixed. Be sure to discuss the activation…

A: Chemical kinetics is the study of the rates of chemical reactions or how fast reactions occur. The…

Q: Determine the rise, run, and slope of the line formed by these points. rise: run: slope: What is the…

A: We have find out rise, run, slope and activation energy for the reaction.

Q: According to the Collision Theory, the rate of the reaction is equal to the total number of particle…

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

Q: An activated complex (transition state) is: (Choose one) and please explain. A. A substance that…

A: The reaction rate, also known as the rate of reaction, is the rate at which a chemical reaction…

Q: nk of the Hilux as a reaction, where left is the initial (reactant) state and right is the final…

A: If we observe the situation of Hilux carefully, it is present more towards to the right side. It…

Q: catalyst speeds up a chemical reaction by lowering the reaction’s activation energy. Explain why/how…

A: The activation energy and the rate of reaction are inversly proportional. And catalalyst plays a…

Q: Which of the following is NOT a reason why a catalyst can speed up a reaction? a.  Increasing the…

A: Option (b) is the answer.

Q: Give three examples of environmentally benign heterogeneous catalysts.

A: SOLUTION: Step 1: Heterogeneous catalysis are catalysts whose phase differs from that of the…

Q: If the proportion of particles with energy is greater than activation energy, the reaction will O a.…

A: Given statement is :  If the proportion of particles with energy is greater than activation energy,…

Q: What is the activation energy of the reaction? Number Units What is the frequency factor for the…

A: Arrhenius equation is:  k = A e-Ea/RT Where, k = rate constant, Ea = Activation energy, R = Gas…

Q: A. Why does catalyst is the factor that has the greatest impact on the rate of reaction in "exhaust…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Is the following statement is true ? The rate of the reaction will always be a positive value.

A: Given statement: The rate of the reaction will always be a positive value. To find: True or false

Q: Chemical reaction can be seen through the relationship between temperature and activation energy…

A: Relation between fraction of molecules and activation energy is given below, logx=-Ea2.303RT Wher Ea…

Q: Calculate

A: Activation energy is the minimum amount of energy that is required by the reactants to result in a…

Q: What is the difference between exergonic and exothermic? What is the difference between intermediate…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Crushing a solid into a powder will increase the reaction rate because ________.  A. the particles…

A: The rate of reaction is the speed at which the chemical reaction would take place.