A catalyst increases the activation energy of a reaction and thus facilitates the reaction True False

Q: How reaction rate depends on concentration, physical state, and temperature

A: For a chemical reaction to occur, there must be collision in between the reactant molecules. Rate of…

Q: How is the rapid change in concentration of reactants/products monitored for fast reactions.

A: The method for monitoring rapid change in concentration of reactants/products for fast reactions are…

Q: Catalysts increase reaction rates by A) increasing the activation energy. B) increasing the enthalpy…

A: Catalyst are being added to the Reaction to increase the rate of Reaction.

Q: List the factors that affect reaction rates?

A: Factors affecting rate of the reactions: 1. Nature of reactants 2. Physical state of reactants 3.…

Q: What is the function of a catalyst? Increases the temperature of the reaction Increases the…

A: The Catalyst is a substance which increases the rate of reaction . The Catalyst provide the…

Q: A catalyst increases the rate of a chemical reaction by providing a lower-energy mechanism for the…

A: A catalyst increases the rate of a chemical reaction by providing a lower-energy mechanism for the…

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: Does a catalyst increase reaction rate by the same means as a rise in temperature does? Explain.

A: The reason why  catalyst increase reaction rate by the same means as a rise in temperature hs to be…

Q: Raising the temperature of a reacting system increases the rate of reaction but does not increase…

A: Rate of a reaction increases with rise in temperature.

Q: Islon theory? Catalysts speed up reactions because catalysts can increase the kinetic energy of…

A: According to collision theory,  effective collision between reactant molecules lead to form…

Q: The presence of a catalyst: lowers activation energy increases activation energy O increases…

A:

Q: A catalyst is a substance that is produced during one step of a reaction mechanism and used up in a…

A: False

Q: A catalyst lowers the activation energy. O True O False

A:

Q: The concentration of the reactants in a solution affects the rate of reaction. Use collision theory…

A: A chemical reaction is defined as the process in which a substance undergoes molecular…

Q: Determine whether the following statement about reaction rates is true or false. If the statement is…

A: Activation energy is energy required by reactant molecule to participate in a chemical reaction to…

Q: Which of the following factors increase the rate of a reaction? Increase in temperature Decrease in…

A: Solution In a chemical reaction, how reactants quickly or slowly turn into products is called the…

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: Addition of a catalyst to a reaction lowers the activation energy of at least one step in the…

A:

Q: A catalyst increases the activation energy required for a reaction to proceed. O True O False

A: The given statement is  A catalyst increase the activation energy required for a reaction to proceed

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: How are the following aspects of a reaction affected by the addition of a catalyst? Increased…

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

Q: A catalyst increases the rate of reaction. O True O False

A:

Q: Reaction rate increased by an increase of surface area of a reactant. One way to increase surface…

A: Reaction rate is defined as speed at which chemical reaction takes place , its  Depends on many…

Q: All of the following can speed up a chemical reaction except: Addition of a Catalyst Increase…

A: The factors which speed up a chemical reaction are : Addition of catalyst = It will lower the…

Q: true or false: A balanced chemical reaction is necessary to relate the rate of reaction to the…

A: Here the statement is given that a balanced chemical reaction is necessary to relate the rate of…

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: What statement about the catalyst is correct? O it increases a value of the equilibrium constant It…

A: -> A substance that alters the reaction rate of a particular chemical reaction is known as…

Q: Classify the actions based on how they could affect a reaction rate. Rate increases Rate decreases…

A: Following are the appropriate answers to fill the given boxes.

Q: A catalyst increases the rate of reaction by providing an alternative reaction pathway with a higher…

A:

Q: Draw two activation energy diagrams for an endothermic reaction, one with and one without a…

A: A catalyst provide a alternate pathway for reaction with lower activation energy.   Catalyst lower…

Q: Addition of a catalyst to a reaction lowers the activation energy of at least one step in the…

A: Concept Introduction: A substance that helps a chemical reaction to proceed faster.

Q: True or false. According to the collision theory, product formation is only possible if the…

A: There are following postulates of collision theory -  (1) All reacting Molecules considered as a…

Q: The change in temperature from 10 °C to 20 °C is found to double the rate of a particular chemical…

A: From given  Changes in given temperature tends to double the rate of that particular reaction. So…

Q: A catalyst: always decreases the rate for a reaction. O b. always increases the activation energy…

A: Catalyst is defined as a substance which increases the rate of reaction by decreasing the activation…

Q: How does a catalyst increase the rate of a chemical reaction?

A: Catalyst: It is a chemical substance and it does not involve the chemical reaction. Main role of…

Q: A catalyst increases the rate of reaction by providing an alternative reaction pathway with a higher…

A: Catalyst are the molecules that are generally utilized to increase the rate of any biochemical…

Q: How Concentration and temperature also affect reaction rate ?

A:

Q: Catalysts speed up the rate of a reaction by increasing the activation energy Select one: O True O…

A:

Q: Enzymes are biological catalysts that enhance the rate of a reaction by Select one: decreasing the…

A: Enzymes are the catalyst which helps in increasing the rate of reaction.

Q: What is the advantage of knowing the factors that affect reaction rates?

A: Answer: Various processes are used in the industry to produce various chemical substances those are…

Q: 2 Define "activation energy" b What is the role of a catalyst in chemical reactions? Draw an energy…

A: 2(a) The minimum energy that must be provided to the compounds in a chemical reaction in order to…

Q: How does catalyst affect the rate of reaction? What happens to the activation energy with the…

A: To explain: the effect of catalyst on the rate of reaction? effect of catalyst on activation…

Q: Which of the following will NOT increase the rate of a reaction? increasing the temperature adding a…

A: Rate of reaction: The change in any one of the reactant and product with respect to time. Factor…

Q: Draw an energy profile diagram for an exothermic reaction process with a positive activation energy.

A: For an exothermic reaction, del H = -ve.We will Draw an energy profile diagram for an exothermic…

Q: Which is true? A slow reaction has low activation energy. A fast reaction has large activation…

A: Activation energy is minimum amount of energy required to reaction start.

Q: Which of the following will lower the activation energy for a reaction? O increasing the…

A: In a given chemical reaction, the minimum amount of energy required by the reactant molecules to…

Q: Which statement regarding catalyst is incorrect It is regenerated during the reaction O increases…

A: Explanation :- Catalyst :- A catalyst change the rate of chemical reaction. Catalyst lower the…