pls help kindly 10) Which of the following could be a rate law for a third order reaction?a.r = k[X]²[Y]¹b._r=k[X]4[Y]¹C. r == k[X]²[Y]²d._r=k[X]²[Y]³ 9) The activation energy of a chemical reaction is affected bya. the kinetic energy of the reactant(s)b. the potential energy of the product(s)c. the presence of a catalystd. none of the above

Approach to solving the question: Chemical Kinetics Detailed explanation:Catalyst decrease the…

Answered: 10) Which of the following could be a…

Living By Chemistry: First Edition Textbook

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ChapterU2: Smells: Molecular Structure And Properties

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a What happens to a reaction rate as temperature drops? Give two explanations for the change. State which one is more important and explain why. b How does a catalyst affect reaction rates? c Compare reaction rates when a given reactant concentration is high with the rate when the concentration is low. Explain the difference.
Write a brief description of the relationships among each of the following groups of terms or phrases. Answers to the Concept-Linking Exercises are given at the end of the chapter. Reversible reaction, equilibrium, forward rate, and reverse rate
. Before two molecules can react, chemists envision that the molecules must first collide with one another. Is collision among molecules the only consideration for the molecules to react with one another?
. Consider the exothermic reaction CO(g)+2H2(g)CH3OH(l)Predict three changes that could be made to the system that would decrease the yield of product over that produced by a system in which no change was made.
Suppose you have two identical unopened bottles of carbonated beverage. The contents of both bottles appear to be perfectly clear. You loosen the cap of one of the bottles and hear a hiss as gas escapes, and at the same time gas bubbles appear in the liquid. The liquid in the unopened bottle still appears to be perfectly clear. Explain these observations using the concept of equilibrium and Le Chteliers principle. Remember, a carbonated beverage contains carbon dioxide gas dissolved in a liquid under pressure.
. Equilibrium may be defined as the ________ of two processes, one of which is the opposite of the other.
12.100 A reaction important in smog formation is O3(g)+NO(g)O2(g)+NO2(g)K=6.01034 (a) If the initial concentrations are [O3]=1.0106M,[NO]=1.0105M,[NO2]=2.5104M, and [O2]=8.2103M , is the system at equilibrium? If not, in which direction does the reaction proceed? (b) If the temperature is increased, as on a very warm day, will the concentrations of the products increase or decrease? (HINT: You may have to calculate the enthalpy change for the reaction to find out if it is exothermic or endothermic.)
Sketch energy diagrams to represent each of the following. Label the diagrams completely and tell how they are similar to each other and how they are different. a. Exothermic exergonic reaction with activation energy b. Exothermic exergonic reaction without activation energy
At 600C, gaseous CO and Cl2 are mixed together in a closed container. At the instant they are mixed, their concentrations are CO=0.79mol/L and Cl2=0.69mol/L. After equilibrium is established, their concentrations are CO=0.25mol/L and Cl2=0.15mol/L. Evaluate the equilibrium constant for the reaction CO(g)+Cl2(g)COCl2(g)
The equilibrium constant expression for a given reaction depends on how the equilibrium equation is written. Explain the meaning of that statement. You may, if you wish, use the equilibrium equation N2(g)+3H2(g)2NH3(g) to illustrate your explanation.
5.27. Nitrogen dioxide,, dimerizes easily to form dinitrogen tetroxide,: (a) Using data in Appendix 2, calculate and for this equilibrium. (b) Calculate for this equilibrium if were present initially and allowed to come to equilibrium with the dimer in a system.
Classify each of the following statements as true or false. aSome equilibria depend on a steady supply of a reactant in order to maintain the equilibrium. bBoth forward and reverse reactions continue after equilibrium is reached. cEvery time reactant molecules collide, there is a reaction. dPotential energy during a collision is greater than potential energy before or after the collision. eThe properties of a transition state are between those of the reactants and products. fActivation energy is positive for both the forward and reverse reactions. gKinetic energy is changed to potential energy during a collision. hAn increase in temperature speeds the forward reaction but slows the reverse reaction. iA catalyst changes the steps by which a reaction is completed. jAn increase in concentration of a substance on the right-hand side of an equation speeds the reverse reaction rate. kAn increase in the concentration of a substance in an equilibrium increases the reaction rate in which the substance is a product. lReducing the volume of a gaseous equilibrium shifts the equilibrium in the direction of fewer gaseous molecules. mRaising temperature results in a shift in the forward direction of an endothermic equilibrium. nThe value of an equilibrium constant depends on temperature. oA large K indicates that an equilibrium is favored in the reverse direction.

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