Select all of the following that are true according to collision theoryMore collisions result in slower reaction rateReactants have to collide in the proper orientationReactants have to collide with enough energyThe unstable intermediate is known as the activated-complex or transition state.0 O0 O

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Answered: Select all of the following that are…

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter18: Chemical Equilibrium

Section: Chapter Questions

Problem 8E

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Similar questions

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.
Chemical reactions occur when reactants collide. What are two factors that may prevent a collision from producing a chemical reaction?
Apply collision theory to explain why increasing the concentration of a reactant usually increases the reaction rate.
What happens to the reactants in an ineffective molecular collision?
Apply collision theory to explain why powdered zinc reacts to form hydrogen gas faster than large pieces of zinc when both are placed in hydrochloric acid solution.
use the kineticmolecular theory to explain why an increase in temperature increases reaction rate.
Suppose two molecules that can react collide. Underwhat circumstances do the colliding molecules not react?
The following series of diagrams represent the reaction XY followed over a period of time. The X molecules are red and the Y molecules are green. At the end of the time period depicted, has the reaction system reached equilibrium? Justify your answer with a one-sentence explanation.
Use Le Chteliers principle to predict the direction of equilibrium shift and the changes that will be observed color, amount of precipitate, etc. in the following equilibria when the indicated stress is applied: a.heat+Co2+(aq)+4Cl(aq)CoCl4(aq);pinkcolorlessblue The equilibrium mixture is heated. b.heat+Co2+(aq)+4Cl(aq)CoCl4(aq);pinkcolorlessblue Co2+ is added to the equilibrium mixture. c.Fe3+(aq)+6SCN(aq)Fe(SCN)63(aq);browncolorlessred SCN is added to the equilibrium mixture. d.Pb2+(aq)+2Cl(aq)PbCl2(s)+heat;colorlesscolorlesswhitesolid Pb2+ is added to the equilibrium mixture. e.C2H4+I2C2H4I2+heat;colorlessgasvioletgascolorlessgas A catalyst is added to the equilibrium mixture.
Characterize a system at chemical equilibrium with respect to each of the following a. the rates of the forward and reverse reactions b. the overall composition of the reaction mixture For a general reaction3A(g)+B(g)2C(g), if one starts an experiment with only reactants present, show what the plot of concentrations of A, B, and C versus time would look like. Also sketch the plot illustrating the rate of the forward reaction and rate of the reverse reaction versus time.

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Select all of the following that are true according to collision theory More collisions result in slower reaction rate Reactants have to collide in the proper orientation Reactants have to collide with enough energy The unstable intermediate is known as the activated-complex or transition state.