Interpretation:Thereason of increase in rate of reaction in the presence of catalyst with the difference between homogenous and heterogeneous catalyst needs to be explained. Whether the reaction has a same or different rate law for both catalyzed and an un-catalyzed pathway needs to be explained.
Concept Introduction:
For a chemical reaction to occur, two most important requirements are activation energy to reactant molecule and correct orientation of reactant molecules to colloid and form product.
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Chapter 15 Solutions
Chemical Principles
- Explain how a species might be part of a rate law but not part of a balanced chemical reaction.arrow_forward. find the rate law predicted for a particular reaction mechanism.arrow_forwardWhy does a catalyst increase the rate of a reaction? What is the difference between a homogeneous catalyst and a heterogeneous catalyst? Would a given reaction necessarily have the same rate law for both a catalyzed and an uncatalyzed pathway? Explain.arrow_forward
- Explain what is meant by the average rate of a reaction.arrow_forwardCobra venom helps the snake secure food by binding to acetylcholine receptors on the diaphragm of a bite victim, leading to the loss of function of the diaphragm muscle tissue and eventually death. In order to develop more potent antivenins, scientists have studied what happens to the toxin once it has bound the acetylcholine receptors. They have found that the toxin is released from the receptor in a process that can be described by the rate law Rate = k [acetylcholine receptortoxin complex] If the activation energy of this reaction at 37.0C is 26.2 kJ/mol and A = 0.850 s1. what is the rate of reaction if you have a 0.200M solution of receptor-toxin complex at 37.0C?arrow_forwardIn Chapter 3, we discussed the conversion of biomass into biofuels. One important area of research associated with biofuels is the identification and development of suitable catalysts to increase the rate at which fuels can be produced. Do a web search to find an article describing biofuel catalysts. Then, write one or two sentences describing the reactions being catalyzed, and identify the catalyst as homogeneous or heterogeneous.arrow_forward
- Based on the kinetic theory of matter, what would the action of a catalyst do to a reaction that is the reverse of some reaction that we say is catalyzed?arrow_forwardThe type of rate law for a reaction, either the differential rate law or the integrated rate law, is usually determined by which data is easiest to collect. Explain.arrow_forward11.102 Suppose that you are studying a reaction and need to determine its rate law. Explain what you would need to measure in order to accomplish this in a single experiment, and how you could use graphical methods to get from the experimental data to a complete rate law.arrow_forward
- Many biochemical reactions are catalyzed by acids. A typical mechanism consistent with the experimental results (in which HA is the acid and X is the reactant) is Step 1: Step 2: Step 3: Derive the rate law from this mechanism. Determine the order of reaction with respect to HA. Determine how doubling the concentration of HA would affect the rate of the reaction.arrow_forward. Account for the increase in reaction rate brought about by a catalyst.arrow_forwardCompare the functions of homogeneous and heterogeneous catalysts.arrow_forward
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