ollowing graph, representing a chemical react 18.9kJ 7.1kJ 4.0kJ, Reaction Coordinate action exothermic or endothermnic? How do you know?

Q: tential Reactants ergy Products Time hat statement is best represented by the letter Y in this…

A: We know that this is the activation energy curve and here X resembles the activation energy needed…

Q: Many reactions that are thermodynamically possible do not occur at an appreciable rate because of…

A: If the Gibbs free energy of a reaction is negative then such reactions are spontaneous in nature.…

Q: What do you mean by the term chemical reaction rate?

A: The rate of a reaction generally depends on the concentration of reactants. In other words the rate…

Q: Use this data to answer the following questions. Write the rate law for this reaction. rate = k…

A:

Q: Draw an energy diagram for an endothermic reaction without a catalyst (use a solid line) and with a…

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

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

Q: An endothermic reaction is a reaction where:   Group of answer choices a) Energy is released as heat…

A: In Endothermic reaction heat is absorbed and the energy of products is higher than reactant. As…

Q: From the given picture 1.) Define endothermic reaction and exothermic reaction 2.) Differentiate…

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

A:

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: Using an energy diagram of a chemical reaction determine what are the reactants, products, enthalpy…

A: Define term : Reactant: A substance that takes part in and undergoes change during a reaction.…

Q: 9. A chemical reaction can only occur if the reactants have enough energy to reach the activation…

A: Given: To explain how energy is released in an exothermic reaction and how a catalyst is used to…

Q: How rate of a chemical reaction is determined ?

A: General chemical reaction,

Q: A student discovers that the reaction between magnesium and hydrochloric acid is faster at higher…

A: Solution :     The kinetic molecular theory is used to explain the ideal behavior of gas molecules.…

Q: All chemical reactions have a set amount of activation energy in order for the reaction to move to…

A: Endothermic :(energy absorbed) products energy > reactants energy Exothermic:(energy released)…

Q: Activation energy is a barrier that the reactants must cross to be converted into: O products O…

A: Activation energy is a Barrier that the reactant must cross to be converted into :

Q: Answer true or false to the following statements about energy diagrams and reactions. Q.) Kinetics…

A: Kinetics is derived from the word, Kinetikos meaning motion.

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: 2. In order for two molecules to react and form new substances, what are the two requirements for an…

A: Given: Two molecules react and form new substances  To find: Requirements for effective collisions…

Q: :Activation energy (Eact) is

A: We have to tell which option is correct

Q: In a chemical reaction, what does the term "activation energy" refer to? A) The total energy…

A: Step 1: Activation energy:Activation energy is the minimum amount of energy that reactant molecules…

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: C What are the similarities between the two diagrams? Curve A Curve B Reaction progress Reaction…

A: Answer :-  The similarity between the two diagrams is-  the average energy of the reactants and…

Q: ii) Explain the effect of Catalyst on the rate of a chemical reaction.

A: Effect of catalyst on rate of chemical reaction:

Q: 5. Explain why a minimum amount of energy would be required for a collision between two molecules of…

A: The rate of the reaction is referred to the change in the molar concentration in the distinct…

Q: Which of the following statements is the best explanation of how activation energy affects the rate…

A: Since more is the activation energy, more will be the energy required by the molecules to overcome…

Q: Which graph show the energy diagram for an exothermic reaction? Graph A Graph B activated complox…

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Q: Do chemical reactions usually occur in a single step?

A: When two or more reactants are allowed to react under suitable conditions to produce desired…

Q: . The Activation Energy can best be described as :   Group of answer choices a) The amount of…

A: In this question, we will discuss about Activation energy and then Select the correct answer.  You…

Q: The following figure represents chemical reaction before and after using a catalyst and from the…

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Q: 3. What is the minimum amount of energy called to have an effective collision?

A: que 3  - For an effective collision , the molecule must possess some min. amount of energy to result…

Q: Which of the following terms is described as the amount of energy reactants are required to absorb…

A: Kinetic energy; amount of energy required to move an object from its initial position.  Potential…

Q: the minimum energy required to initiate a chemical reaction?

A: Collision theory is used to conclude about the rate of a chemical reaction and it is based on the…

Q: Which of the following will not affect the reaction rate of a reaction? Increasing the surface area…

A: The rate of a reaction depends upon the following factors

Q: why surface area of reactants and the presence of a catalyst affects the rate of chemical reaction?

A: Surface area and presence of catalyst affect the rate of a reaction.  Greater the surface area of…

Q: Because there is stability in reactants, A) before two reactants can form products, they must…

A: Activation energy is the minimum energy required for the reactant to react and form product.

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

A: ΔH = +Ve for endothermic reactions ΔH = -Ve for exothermic reactions

Q: Sketch an energy-level diagram for the conversion of reactants to products in an endothermic…

A: Chemical thermodynamics is a branch of chemistry in which we deal with amount of heat evolved or…

Q: Explain using an example how the rate of reaction is related to the rate of change of reactant or…

A: Rate of the Reaction is the change in the concentration of the reactants or products with respect to…