Changing the temperature and no other conditions changes the rates of most chemical reactions. Two factors are commonly cited as accounting for the increased rate of chemical reaction as the temperature is increased. State briefly and discuss the two factors. Which of the two is more important?

Q: A catalyst is commonly defined as a material which changes (usually increases) the rate of…

A: A) Catalyst does not affect the position of equilibrium, adding a catalyst does not affect the…

Q: reaction

A: We will exalain given graph

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: In your own words, describe why an increase in concentration can result in a change in the rate of a…

A: The factors affecting the rate of a chemical reaction are studied under the realms of chemical…

Q: 1. What are the four ways presented in this lesson to influence the rate of a chemical reaction?…

A: Collision theory states that the rate of a chemical reaction is directly proportional to the number…

Q: Which of the following is TRUE about reaction rates? Rate constant is the same for the same reaction…

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Q: Is the rate of a reaction always based on the concentration of reactants?

A: The rate of reaction is the measure of the speed at which the reactants are converted into products.…

Q: The collision theory states that in order to react, reactant particles must collide with sufficient…

A: Collision theory used to predict the reaction rates of chemical reaction mainly in gas phase…

Q: Consider the data on "Initial Rates" Provided in the table, for the following reaction.

A: To solve this problem we have consider the experimental data given in table . From this data we will…

Q: Describe four conditions that affect the rate of a reaction and use the principles of the collision…

A: As per Collision theory, Reaction rate is given : Rate = p ZAB e(-Ea/RT) p is the orientation…

Q: What factors control the rate of a chemical reaction? Why do each contribute to the speed of the…

A: The rate of a reaction is the speed at which a chemical reaction happens. If a reaction has a low…

Q: Arrhenius proposed that each reaction has an energy threshold that must be reached for the particles…

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Q: Write an equation for the rate of reaction of thiosulfate, using the terms: • [thiosulfate]mitial •…

A: The reaction is an example of a redox reaction.

Q: What are following of  the five factors mentioned in the text that can affect the rate at which a…

A: The rate at which reaction proceeds depends on the following factors 1. Nature of Reactants 2.…

Q: What two factors determine whether a collision between two reactant molecules will result in…

A: Two factors determine whether a collision between two reactant molecules will result in reaction is…

Q: i. Three major factors affect the rate of a reaction, which are adding a catalyst, increasing the…

A: (i). According to Arrhenius equation : rate constant in given by : k = A.e^-(Ea/RT)  Taking ln on…

Q: In an experiment, sulfuric acid reacted with different volumes of sodium thiosulfate in water. A…

A: Solution :      The rate of reaction depends on the concentration of the reactant. As the…

Q: Terminology Notes: Rate constant: A calculated value is required.; Rate law: A rate law exp Question…

A: There are following postulates of collision theory -  (1) The Reactant Molecules are considered as…

Q: What factors determine whether a collision between two reactant molecules will result in a reaction?…

A: Collision theory of reaction rate: According to the collision theory of reaction rate, the randomly…

Q: If the temperature of a reaction is increased, the rate also increases. Which best explains why this…

A: 1) An increase in temperature typically increases the rate of reaction. 2) An increase in…

Q: (a) What is meant by the term reaction rate? (b) Name three factors that can affect the rate of a…

A: The reaction rate is defined as the change in concentration of the chemical species, involving in…

Q: Define specific reaction rate or rate constant.

A: Specific rate constant at a given temperature may be defined as the rate of reaction when the molar…

Q: From the graph, what can you interpret about the correlation between reaction rates and the…

A: A question based on kinetics of reaction in solution that is to be accomplished.

Q: How is the rate of concentration expressed in terms of the concentration of the reactants of…

A: Rate is basically the speed with which the reaction is taking place i.e. how much the reaction is…

Q: What variable of a chemical reaction is measured over timeto obtain the reaction rate?

A: Rate of a reaction is given for a reaction by the formula shown below if we have a reaction in which…

Q: Your own factory that produces iodine gas according to the following chemical reaction: However,…

A: One way to increase the rate of reaction of gaseous chemicals is to increase the temperature of the…

Q: Give on example of an object, food products, appliances, etc., that are designed or made guided with…

A: The different factors that can influence the rate of reaction are: 1. Temperature 2. Concentration…

Q: Explain on a molecular level how temperature, reactant concentration and the presence of a catalyst…

A: The rate of the reaction is affected by the following factors: Temperature Reactant concentration…

Q: Draw a graph showing the reaction pathway for an overallexothermic reaction with two intermediates…

A: For a chemical reaction the energy profile diagram shows the theoretical representation of reaction…

Q: Chemical reactions occur when reactants collide. What are two factors that may prevent a collision…

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Q: Write short notes, with appropriate sketches, on each of the following terms in chemical kinetics:…

A: Rate of a reaction: Rate of a reaction is basically the speed with which the reaction progresses per…

Q: Consider the thermal decomposition of SO2 at 550oC, the time required to decompose half the reactant…

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Q: The central idea of the collision model is that molecules must collide in order to react. Give two…

A: The collision theory says that the main conditions for the taking place of a chemical reaction are…

Q: How do we determine reaction mechanisms?

A: A chemical reaction mechanism represents the way to form and break the chemical bonds between…

Q: Define reaction rate. Distinguish between the initial rate, average rate, and instantaneous rate of…

A: The Reaction Rate for a given chemical reaction is the measure of the change in concentration of the…

Q: Why is the reaction rate for reactants defined as the negative  of the change in reactant…

A: In a reaction, reactants forms products.The reactants are being used up for the formation of…

Q: Consider the graph below of the concentrations of different chemical species as a function of time…

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Q: Engineers and chemists designing explosives for mining find that the reaction is occurring too…

A: Answer - A general theory of explosives is that the detonation of the explosives charge causes a…

Q: Define what is the reaction rate and b. Explain the importance of understanding reaction rates.

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical…

Q: 1. What chemical reaction was performed to study the effect of temperature on the reaction rate?…

A: Rate of reaction depends upon - the concentration of reactant, temperature, pressure, physical state…

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

A: Collision theory of reaction rates.

Q: Define the term Average Rate of Reaction?

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

Q: Define the term Reaction Mechanisms?

A: Given term,    Reaction mechanism

Q: Write two differences between ‘order of reaction’ and ‘molecularity of reaction’.

A: Reaction order: It refers to the power dependence of the rate on the concentration of each reactant.…

Q: Chemical reactions occur when reactants collide. What are two factors that may prevent a collision…

A: In a chemical reaction, reactants are converted to the products. The chemical reactions are carried…