Whick of the following statements about catalyst is false: A.Biological catalysts are called enzymes B.Catalyst does not appear in the balanced equation C.Catalyst reduce the activation energy for a reaction D. Catalyst do not alter the mechanism of the reaction and never appear in the rate law

Q: Can some one help !! Can someone dump down what is a catalysts and enzymes in chemistry I’m a visual…

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Q: Which of the following is true of the rates of most chemical reactions?    A. The initial rate is…

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

Q: Explain how the activation energy affects a rate and be able touse the Arrhenius equation?

A: From the Arrhenius equation, the rate of the reaction is related to the activation energy as…

Q: The graph shows three reaction pathways for the same biological reaction. One reaction pathway shows…

A: Answer:  Role of catalyst in a reaction is to change the rate of reaction. Positive catalyst always…

Q: For the reaction A-->B, when [A] = Km and the enzyme concentration is 3 x 10-8 M (3 x 10-2μM), the…

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Q: Which of the following statements is false about catalysts? A) Enzymes are biological catalysts. B)A…

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

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Q: 1) What is a catalyst ? Differentiate a catalyst from an inhibitor and give a sample of each and…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: Classify each statement about catalysts as true or false. 1. Biological catalysts are known as…

A: 1) enzymes  are the biological catalyst which catalysis the biological processes = True  2) A…

Q: Biological catalysts are called enzymes. The concentrations of enzymes in cells are usually quite…

A: Enzymes are biological catalysts that influence the rate of a biochemical reaction.  These…

Q: In a sequential reaction, what is an intermediate? Indicate which color (light blue, purple or red)…

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Q: If it is true that an increase in temperature of 10 K doubles the reaction rate, what must the…

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Q: Explain the relative values of the average rate, early instantaneous rate, and late instantaneous…

A: Given: To define the average rate, early instantaneous rate, and late instantaneous rate.

Q: The fire provided the initial activation energy to allow the food sample to combust. Where did the…

A: Activation energy is the minimum amount of energy needed to activate or energize molecules or atoms…

Q: The rate equation for the hydrolysis of sucrose to fructose and glucose C12H22O11(aq) + H2O(ℓ) → 2…

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Q: Imagine that you are setting up an experiment to measure the kinetics of an enzyme. What are TWO…

A: The options which are correct are-  2.To measure the forward velocity of the reaction with the…

Q: 32. Use a Maxwell-Boltzmann distribution to illustrate how adding a catalyst (lowering the activa-…

A: A catalyst is a substance which can alter the reaction rate either increase or decrease the reaction…

Q: The rate of reaction between hemoglobin (Hb) and carbon monoxide (CO) was studied at 20°C. The…

A: Solution The rate law or rate equation for a chemical process is associate equation that links the…

Q: The graph shows the reaction pathways for the same reaction: One reaction pathway shows an…

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Q: 8. Which factor would slow down a chemical reaction? (Choose all that apply) O Increasing particle…

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Q: Enzymes are biomolecules involve in chemical reactions. Explain how an enzyme affects the reaction…

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Q: Which of the following statement is TRUE for a slow reaction? (a) The values of the rate constant…

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Q: Chemical kinetics studies. ............ а. rate and others processes b. rate and mechanism of…

A: The rate of a reaction is given as the change in concentration of the products or the reactants upon…

Q: Which is false? a. rate constant varies in different temperatures, rate law does not b.…

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

Q: What is the function of a catalyst? What are enzymes made of?

A: In a chemical reaction, reactants are converted to products. Various factors influence this…

Q: Review | Constants | Penodic Table MISSED THIS? Read Section 14.8. You can click on the Review link…

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Q: A + B → C + D is of order 0. As an experimenter, which parameters can you make vary to influence the…

A: The variation in the following parameters will affect the rate of zero order reaction.

Q: Which of the following is the reason/s why the catalysts increase the rate of a reaction ( HINT:…

A: The presence of catalyst increases the rate of forward reaction due to the following reasons.

Q: (a) What is the difference between an average rate and an instantaneous rate? (b) What is the…

A: Average rate over a specific time period is defined as the change in a concentration over that…

Q: A chemical reaction with a single reactant has a rate constant of 0.8420 s-1. How long (in seconds)…

A: Here we are required to find the time needed  for the reaction to progress by 15.7%.

Q: Why does reaction rate matter in life? Cite a concrete scenario.

A: The rate of the reaction is important in everyday life. As with any other type of measurement, such…

Q: c) Transition elements exhibit many chemical properties including acting as catalysts. Explain…

A: Given :  We have to discuss the property why transition metal act as heterogenous and homogenous…

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: What is the difference between a catalyst and an enzyme?

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Q: Describe the Integrated Rate Laws?

A: Given term,         Integrated rate law

Q: (a) Most commercial heterogeneous catalysts are extremely finely divided solid materials. Why is…

A: Those reactions that involve a catalyst that has a phase dissimilar to the phases of the reactants…

Q: Which of the following statements is false about catalysts? A) Enzymes are biological catalysts. B)…

A: The rate of change of concentration of reactants or products for a particular reaction determines…

Q: the concentration of H, were halved? A. The rate would not change. B. The rate would be doubled. C.…

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Q: How did the rate change when the reaction was performed at lower temperature? why?

A: The rate of reaction is directional proportional to the reaction temperature. When temperature of a…

Q: The following graph shows two different reaction pathways for the same overall reaction at the same…

A: Activation energy is lowered in the presence of catalysts. Catalysts increase the rate of reaction…

Q: Is it possible that the product has a negative rate, meaning it is being consumed instead of being…

A: The rate of a reaction is defined as the change in the concentration of any one of the reactants or…

Q: Which of the following changes would most likely increase the rate of a reaction?   a. increasing…

A: The rate of a chemical reaction helps in determining the speed of the reaction. It also tells about…

Q: Which of the following is not an example of heterogeneous catalysis?     a) 2O3(g) → 3O2(g) has a…

A: Catalyst can be defined as the species that increases the speed of chemical reaction without getting…

Q: Heat energy and collision of molecules are sometimes not enough to supply the activation energy…

A: A chemical reaction is said to be occur when existing bonds between atoms are broken and new bonds…

Q: Write the difference between(a) catalysts and enzymes(b) promoters and poisons

A: Catalysts are the chemicals that are used to alter the rate of reactions. The alter in rate is in…

Q: Why is the initial rate more experimentally useful than the average rate? O Average rates change…

A: the rate decreases as the reactants are used up. So  the initial rate is the fastest rate and the…

Q: Discuss the differences between the three types of Catalysts. Include at least one example for…

A: Catalysts are the substances which alters the reaction rate by altering its activation energy. It…

Q: Consider the following reaction and predict the new rate of the reaction if the concentration of A…

A: Given reaction is SN1 ( Nucleophilic substitution first order reaction)  .This is two step reaction…

Q: Enzymes take part in nearly all metabolic reactions. What is an enzyme's impact on the activation…

A: A question based on enzyme catalyzed reaction, which is to be accomplished.