Which reaction rate is a useful value but does not tell how fast the concentration of the reactant(s) is decreasing at any given time of the reactic the average reaction rate the initial reaction rate O the last reaction rate the middle reaction rate

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

A: Given statements: The lower the rate of a reaction the longer it takes to reach completion. The…

Q: n studying a reaction that goes to completion (this is not a reversible reaction) what happens to…

A: For a reaction  aA + bB →cC + dD Rate is given as Rate = K[A]a [B]b

Q: In general, what is the relationship between reaction rateand reactant concentration?

A: The rate of reaction depends on 3 factors: concentration, temperature, and catalysts. Reaction is…

Q: Why does the rate of the reaction slow down with time?   The rate constant slows with time because…

A: We need to explain why the rate of reaction  becomes less with time.

Q: All of the following effect the rate of a chemical reaction except for which one? increasing the…

A: In this question, we want to identify which one doesn't effect the rate of the chemical reaction.…

Q: True or false The rate limiting step in a reaction is the slowest step in the reaction sequence

A: Given statement is , The rate limiting step in a reaction is the slowest step in the reaction…

Q: true or false catalyst work by decreasing the activation energy barrier between reactants and the…

A: Catalyst increases the rate of reaction by decreasing the activation energy of the reaction.…

Q: As the temperature of a reaction is increased, the rate of the reaction increases because the The…

A: A chemical reaction happens when reactant molecule gets collide with each other or we can say…

Q: Catalysts can affect the rate of a reaction. O True O False

A: Given : Catalysts can affect rate of reaction.

Q: How would the reaction rate change if you heat a reaction up? The reaction rate will increase Not…

A: Using concept of Arrhenius equation A= ke-Ea/RT

Q: is chemical reactions and reaction rate the same?

A: Chemical reaction can be described as a process where one or more substances (termed as reactants)…

Q: The red arrow represents ENERGY Reaction progress the difference in energy between reactants and…

A: An energy profile diagram represents the energy pathway ( most favourable ) of the transformation of…

Q: What factor does not affect the rate of a chemical reaction? collision frequency fraction of…

A: Chemical kinetics is the branch of chemistry in which we deal with speed at which rate of reaction…

Q: :Activation energy (Eact) is

A: We have to tell which option is correct

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: tion that goes to completion (this is not a reversible reaction) what happens to the rate with the…

A: Given : We have to tell the effect of catalyst.

Q: Reaction rate increases if reactant is added. O True O False

A: Statement is true.

Q: Encreasing the temperature increases the rate of a reaction by doing which of the following?…

A: In this question, we have to answer by Increasing the temperature, increases the rate of a reaction…

Q: Which of the following conditions will decrease the rate of a reaction? a decrease in…

A: The rate of reaction increases with increase of temperature because of increase of number of…

Q: A catalyst provides an alternate pathway for a reaction to occur. The alternate pathway has a lower…

A: The stoichiometry of the reaction does not change because when a catalyst is present in the reaction…

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: 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: An increase in temperature 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: What does a catalyst do? Increases the concentration of the reactants which increases the reaction…

A:

Q: The rate of the reaction can be measured by the amount of reactant or product. True or false

A: We measures the the in which the reaction completes.  Or simply the speed of any reaction is called…

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: 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: Factors Affecting Reaction Rates

A: The following are facors that can affect the rate of reaction according to chemical kinetics. By…

Q: From the reading: Describe the conditions for successful collisions that cause reactions. Describe…

A: Collision theory of reaction rates.

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

A: 1) The lower the rate of a reaction the longer it takes to reach completion. Since rate is basically…

Q: Which factor, if increased in magnitude, will slow the rate of a reaction. frequency factor…

A: The Factors that affects the rate of a reaction

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: 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.…