ooo Verizon LTE VPN 4:59 PM 52%) a session.masteringchemistry.com Problem 18.89

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ooo Verizon LTE VPN 4:59 PM 52%) a session.masteringchemistry.com Problem 18.89 -Custom MasteringChemistry Problem 18.89 Custom A reaction that contributes to the depletion of ozone in the stratosphere is the direct reaction of oxygen atoms with ozone 0(g)+O3(g) 202(g) At 298 K the rate constant for this reaction is 4.8 x 105 M-1s-1 Part A Based on the units of the rate constant, choose the likely rate law for this reaction. rate kO) [Os] O rate = k[O][Os] 2 rate ko] [O] O rate = k[O][03] rate = k|0103 Submit Give Up

Explanation / Answer

Part A : The rate law for the reaction would be,

rate = k[O][O3]

Part B : The elementary step expected to be a single step,

NO

Part C : dHof = dHof(products) - dHof(reactants)

= 0 - (142.67 + 249.17)

= -391.84 kJ/mol

Part d : The reaction shown above would change the temperature of stratosphere as,

raise

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