What is the activation energy?

Q: What is the general two-step mechanism by which most enzymes work?

A: To give: The general two-step mechanism by which most enzymes work?

Q: Which of the following statements about catalysts is FALSE? A) Catalysts work by changing the…

A: Let us discuss some points related to catalyst and then we can solve the question.

Q: Which of the following factors influence rates of chemical reactions? A) Temperature and catalyst…

A: The rate of a chemical reaction is the speed at which reactants are consumed and products are formed…

Q: Define an activated complex.

A: Define an activated complex

Q: How can the activation energy of a reaction be changed?

A: Activation energy of a reaction can be changed by using catalyst. A positive catalyst decrease the…

Q: Enzymes and substrates have what is known as the lock-and-key mechanism. How so?

A: Lock and key mechanism is a model to explain the interaction between enzyme and substrate.

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: What are the two distinct adsorption mechanisms?

A: Adsorption is a surface phenomenon in which the excess concentration of a particular component is…

Q: Is the following true or false? All catalysts create a new reaction pathway with different…

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

Q: What is the significance of activation energy?

A: Activation energy is the minimum required energy to convert a reactant into product. If reactant…

Q: Define the following terms 26. Activation energy 27. Exothermic 28. Specific heat 29. Entropy

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

Q: What is the activation energy of this reaction?

A: Experimental observations Svante Arrhenius established a mathematical relationship between energy of…

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: Define the term catalyst?

A: The term catalyst has to be defined below.

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: What does the part of the diagram labeled (A) represent? (B). (A) (C) (D) (E) O Product energy O…

A: In the given diagram, [A] represents = ?

Q: How do catalysts in the body speed up reactions? Decreasing the amount of products formed Increasing…

A: Ans is C

Q: 5. The rate of a reaction slows down with n constant temperature because A) the concentration of…

A: Higher  concentration of a reactant will lead to more collisions of that reactant in a specific…

Q: Which of the following is generally true of a catalyst:

A: Catalyst : A chemical substance which increases the rate of reaction by lowering activation energy…

Q: if a catalyst changes the activation energy of a reversible reaction in the forward direction from…

A: Activation energy is the minimum energy required by the reactants so that they can overcome the…

Q: What does a catalyst do? Decrease the activation energy Catalysts are used instead of the regular…

A: catalyst decreses the activation energy. When it decreses the activation energy, the rate of…

Q: Define the term Reaction Intermediates?

A: Reaction intermediates refer to the molecules which are formed from reactants and then further and…

Q: Enzymes are catalysts that increase the rates of biochemical reactions. True False

A: Answer:- This question is answered by using the simple by using the simple concept of enzymes and…

Q: 4. Draw a graph to show the effects of enzymes on the activation energy of an exergonic chemical…

A:

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 the transition state is when there are two reactants?

A:

Q: 12)Use the diagram below and identify the parts of the graph labelled A, B, C, and D, respectively…

A: An enzyme decreases the activation energy for a reaction

Q: If the energy of activation is lowered for a chemical reaction, which is true? OThe reaction…

A: Given that, What happened if energy of activation of a reaction is lowered?

Q: A chemical species that is not consumed during a chemical reaction and increases the rate of the…

A: