Reaction rate increases with increasing concentration because of: O all of the above O a decrease in the activation energy of the reaction O an increase in the kinetic energy of the reactant molecules O an increase in the frequency of collisions between reactant molecules

Q: Which of the following will decrease the activation energy, Ea, of a reaction? O Decreasing the…

A: To find: reason for decrease in activation energy of a reaction.

Q: The rate of a reaction typically increases as the temperature increases because: the fraction of…

A: Rate of a chemical reaction is defined as the speed with which the reaction proceeds. It determines…

Q: Which of the following statements below is true concerning the activation energy for a reaction?…

A: The question is based on the concept of chemical kinetics. we are talking about activation energy.…

Q: Which of the following statements is false? OA A catalyst increases the rate of a reaction, but is…

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

Q: Under which circumstances is a chemical reaction generally the slowest? Select one from each pair (3…

A: Given statement is :  Under which circumstances is a chemical reaction generally the slowest ?…

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

A: Activation energy is defined as minimum amount of energy needed to complete the reaction.

Q: When the concentrations of reactant molecules are increased, the rate of reaction increases. The…

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Q: Reaction rates are also affected by concentration, collision geometry, and the presence of a…

A: Given that : We have to determine which of the following statements are correct regarding reaction…

Q: In general, as temperature increases, the rate of a chemical reaction a) decreases due to fewer…

A: Which one of the following is correct answer

Q: The rate of a reaction typically increases as the temperature increases because: the fraction of…

A: According to Arrhenius, for a 10 ℃ rise in temperature the rate gets double that means with increase…

Q: Is each of these statements true? If not, explain why.(a) At a given T, all molecules have the same…

A: (a) At a given T, all molecules have the same kinetic energy. The given statement about the kinetic…

Q: If a rate is second order with respect to a specific reactant, that means O doubling the reactant…

A: Goven-  2nd order reaction

Q: Is each of these statements true? If not, explain why.(a) At a given T, all molecules have the same…

A: Note - Since you have posted a question with multiple sub-parts, we will solve first three…

Q: Which of the following changes leads to an increase in reaction rate? O A. Increase the product…

A: The reaction rate depends on the concentration of reactants.

Q: Which statement below best describes the relationship between activation energy and the rate…

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

Q: Which of the following statements is correct? O The lower the activation energy, the faster the…

A: The given problem is based on the Arrhenius equation of reaction rates. The correct alternative is…

Q: Complete the sentences to describe the energy diagram shown. The energy diagram depicts a ___ step…

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Q: All changes saved 10 The rate of a reaction depends on many factors such as the concentration of the…

A: Rate of reaction depends on concentration of reactant.  Increase in concentration of reactants,…

Q: When you heat up the reactants, a reaction usually speeds up. Why? * O Collisions occur more…

A: Chemical kinetics involves study of speed of a chemical reaction. Some of the important factors that…

Q: d What are the differences between the two diagrams? Curve A Curve B Reaction progress Reaction…

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Q: Which three of these factors will not increase the rate of the reaction ? decreasing the kinetic…

A: Activation energy is defined as the minimum amount of extra energy required by a reacting molecule…

Q: When you heat up the reactants in a reaction, all of the following are true EXCEPT: * O Collisions…

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Q: Which reaction rate is a useful value but does not tell how fast the concentration of the…

A: The average reaction rate can be defined as change in concentration of the reactant by change in…

Q: Reaction rate increases with increasing concentration because of: O all of the above an increase in…

A: all of these is the correct answer as the increase in concentration of reactants,  number of…

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

A: Rate of reaction depends on temperature and varies with change in temperature.

Q: (a) Select all of the correct statements about reaction rates from the choices below. The lower the…

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Q: Pls help ASAP. PLS look at the diagram of the graph to answer this.

A: Rate of a reaction can be expressed as how fast a reaction can occur

Q: which of the below statement concering the rate of the reaction is NOT true?   a. the rate of the…

A: Factors affecting the rate of reaction are given by Reactant concentration. Physical state of the…

Q: Which of the following is FALSE? O Changing the initial concentration changes the rate constant of…

A: Answer :-  The false statement is-  A 2-step reaction means there are two different activated…

Q: Factors that accelerate the rate of chemical reactions include all expect: a) increase in…

A: Given factors: a) increase in temperature  b) increasing the reactant concentration  c) increasing…

Q: d. In a hypothetical equation A+B C, the rate of reaction increases by increasing the concentration…

A: Please note: As per our company guidelines we are supposed to answer only three parts of one…

Q: Which of the following is a definition of the activation energy of a reaction? the difference in…

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Q: When you add a catalyst, the reaction rate increases. Why? * O causes fewer collisions O causes more…

A: Effect of catalyst on rate of reaction.

Q: An increase in the temperature of the reactants causes an increase in the rate of reaction. The best…

A: When we increase the temperature of the reactants the tendency of striking the molecules per unit…

Q: he catalyzed pathway in a reaction mechanism has a __________ activation energy and thus causes a…

A: Activation energy is the minimum energy gained by the reactant molecules in order to proceed to form…

Q: Reaction Rates: Select both of the statements that are true. O As a reaction progress at a constant…

A: Reaction rates - When the temperature increases, the reaction rate increases as the particles will…

Q: As the temperature of a reaction is increased, the rate of the reaction increases because the...? OA…

A: Rate of reaction: The rate at which a chemical reaction proceeds, is called as rate of the reaction.…

Q: As the temperature of a reaction is increased, the rate of reactions increase because the O A.…

A: The speed of the reaction generally increases between 2-3 times for a rise of temperature  of 100C.…

Q: Which reaction rate is a useful value but does not tell how fast the concentration of the…

A: Rate of any reaction is defined as the speed or velocity of the reaction at which it is moving or…

Q: Why does the rate of most reactions decrease over time? A. A decrease in reactant

A: We have to tell Why does the rate of most reactions decrease over time

Q: How does low concentration affect reaction rate? A. It decreases the amount of reactants B. It…

A: Rate of a reaction is directly proportional to Concentration.

Q: _15. As the temperature of a reaction is increased, the rate of the reaction increases beçause the…

A: Option B is correct answer.

Q: Which of these expressions will equal the rate of reaction? O Change in Time/Change in Concentration…

A: change in concentration/change in Time. By using above expression the rate of reaction can be…

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

A: By increasing temperature from 10 to 20°C  rate of reaction increase by two times it means the…

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: What does a catalyst do to speed the reaction rate? It increases the concentration of the reactants.…

A: The best option that describes the role of catalyst in speeding up the rate of reaction has to be…

Q: 51. The major reason an increase in temperature causes an increase in reaction rate is that (A) the…

A: An increase in temperature typically increase the rate of reaction .The increase in temperature will…

Q: When the concentrations of reactant molecules are increased, the rate of reaction increases. The…

A: When the concentration of the reactant molecules is increased, the rate of the reaction increases.…

Q: Which of the following statements is false? Lowering the activation energy increases the rate of a…

A: We know that: Activation energy is the minimum amount of energy that is required to activate atoms…