Which is true? A slow reaction has low activation energy. A fast reaction has large activation energy. The size of the activation energy tells us about the reaction rate. The size of the activation energy tells us about the reaction mechanism.

Q: According to collision theory, reaction rates increase with temperature, because the activation…

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Q: what speeds up a chemical reaction and how is activation energy related to it?

A: Interpretation-  To tell about the speeds up of a chemical reaction and how the activation energy…

Q: What is collision theory? a theory stating that a chemical reaction occurs only when reactants…

A: As per collision theory, for a chemical reaction to occur the reactant molecules should collide with…

Q: Catalysts decrease the activation energy which leads to increase the reaction rate * True O False…

A: A catalyst is a substance that can be added to a reaction to increasing the reaction rate without…

Q: Which of the following statements about a catalyst is not true? O A catalyst is not consumed during…

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Q: A chemical reaction is endothermic and has an activation energy that is twice the value of the…

A: The reaction energy profile diagram for a chemical reaction is plotted between extent of reaction…

Q: Which of the following will not affect the rate of the reactions? A. Color B. Pressure C.…

A: A chemical reaction's rate is influenced by the following factors:1) Concentration of the reactant2)…

Q: The activation energy =   The energy of the reactants =    The energy of the products =    The…

A: Activation energy (Ea) :-  The minimum amount of energy that must be possessed by reactant molecules…

Q: E Reactants Ea AH Reactants TAH Products Products Reaction Progress- Reaction Progress - What place…

A: Activation energy is the minimum amount of energy required by the reactant molecules during their…

Q: . a) changing the nature of the reactants Changing the nature of the reactants might increase or…

A: 1) changing the state of reactant as solid have less kinetic energy while gas have high kinetic…

Q: Which of the following statements is true about activation energy in chemical reactions? O By…

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Q: Define the term activation energy. Using diagrams, explain how the presence of a catalyst can help…

A: Activation energy (Ea): Products are formed only when reactant molecules come close and collide with…

Q: Which situation appears to violate the collision theory? A. The reaction rate increases as…

A: Which situation appears to violate the collision theory has to be given.

Q: In terms of collision theory, to which of the following is the rate of a chemical reaction…

A: According to the collision theory, “the molecules of reactants are assumed to be hard spheres and…

Q: What are enzymes? What is the active site of an enzyme? What is a substrate?

A: The biological substances that increase the rate of reaction within cells are known as enzymes.…

Q: Activated Complex At Reactants Products Reaction Progress Chemical Energy

A: Activation energy is defined as minimum energy needed for completion of reaction is known as…

Q: What happens to the activation energy as the temperature in a reacting system increases? the…

A: *Activation energy is extra amount of energy      needed to make the reaction effective . *…

Q: Use the following information to draw an energy diagram. 1. Label the potential energy in increments…

A: Answer:- This question is answered by using the simple concept of drawing the energy diagram of a…

Q: why the increasing concentration of only one reactant may not affect the reaction rate?

A: The question is based on the concept of chemical kinetics. it involves the identification of…

Q: Which of the following defines activation energy?   A.The minimum amount of energy required to…

A: In the given question we have to define the activation energy, it is defined as the minimum amount…

Q: Explain what activation energy is. What causes chemical reactions to have activation energies?

A: When the activation energy of a reaction is higher, then the rate of that reaction will be lower.…

Q: What is the function of a catalyst? What are enzymes made of?

A: In a chemical reaction, reactants are converted to products. Various factors influence this…

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 can be done to lower the activation energy?   Question 6 options:   increasing the…

A: "Catalysts " can lower the activation energy and increase the reaction rate without being consumed…

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

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Q: Which statements explains the energy requirements of chemical reactions?   A) The rate of reaction…

A: Activation energy: When the reactant molecules convert into the products, they required the minimum…

Q: according to collision theory, the rate of a reaction increases as the reactant concentration…

A: Rate of reaction :-  The decrease in concentration of reactants with time or increase in…

Q: Which one of the following statement is true about how catalyst works? Catalysts increase the rate…

A: Catalysts are the enzyme use in reaction to increase the rate of reaction .

Q: Chemical reactions occur when reactants collide. What are two factors that may prevent a collision…

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Q: How does an increase in temperature affect rate of reaction? Explain this effect in terms of the…

A: The rate of reaction increases with increase in temperature, and rate of reaction decreases with…

Q: How does increasing temperature affect the rate of reaction? * the activation energy increases so…

A: The rate of a reaction describes the change in the concentration of the reactant and product with…

Q: The diagram shows the potential energy changes for a reaction pathway. Reaction Pathway Part 1: Does…

A: Part 1  The energy difference between the products and reactants is known as the energy change of a…

Q: Catalysts lower the activation energy for a reaction to occur ? True or false

A: we have to say true or false Catalysts lower the activation energy for a reaction to occur ?

Q: 1. Explain the following: a) Reaction Rate b) Collision theory c) Activation energy d) Catalyst

A: 1 (a) Reaction rate: The reaction rate  is the speed at which a chemical reaction takes place,…

Q: What is the activation energy of a reaction, and how is this energy related to the activated complex…

A: A chemical reaction proceeds with a minimum requirement of energy to be present with the reactants.…

Q: In the reaction of hydrogen gas and oxygen gas to form water, the glowing splint... provides the…

A: Activation energy can be defined as the minimum amount of energy that must be required for compounds…

Q: A chemical reaction is endothermic and has an activation energy that is twice the value of the…

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

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: What is the activation energy of a reaction? Draw the energy diagram for the reaction:  A → B and…

A: Activation energy, in chemistry, the minimum amount of energy that is required to activate atoms or…

Q: A catalyst affects the rate of the forward reaction by changing which of the following? Heat of…

A: Catalyst is a substance which can change the rate of a reaction without itself consumed.

Q: What does it mean for a reaction to release energy? The relative potential energy of the reaction…

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Q: Which of the following are ways that catalysts can speed up reactions rates? You must check all…

A: A catalyst is a chemical substance that can be added to a reaction, without being absorbed in the…

Q: How does adding a catalyst affect the rate of a chemical reaction? Has no effect on the rate of a…

A: Check the effect of addition of catalyst on the rate of the reaction.

Q: On an energy graph, the length of vertical lines represents _____. whether energy is released or…

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Q: Draw energy diagrams of exothermic and endothermic reaction with low activation energy.

A: Exothermic reactions are those reactions in which there is a net energy evolved in the reaction. And…

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: Which of the following is true?   Decreasing the activation energy decreases the reaction rate.…

A: The minimum amount of energy required by the reactant molecules to convert into the products is…

Q: In terms of collision theory, When is a chemical reaction occurs?   A. chemical bonds are broken by…

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