CHEM 134 final exam (Janusa, SFA) Questions and Answers with Solutions UPDATED!!!.

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CHEM 134 final exam (Janusa, SFA) Questions and Answers with Solutions
UPDATED!!!




False - ANSWER True or False: At higher temperatures, the
energy of activation is lower?


Cl(g) - ANSWER (1) O3(g) + Cl(g) -> O2(g) + ClO(g)


(2) ClO(g) + O(g) -> Cl(g) + O2(g)


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O3(g) + O(g) 2O2(g)


What is the catalyst?


ClO(g) - ANSWER (1) O3(g) + Cl(g) -> O2(g) + ClO(g)


(2) ClO(g) + O(g) -> Cl(g) + O2(g)


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O3(g) + O(g) 2O2(g)


What is the intermediate?


the forward and reverse reactions are occurring at equal rates
and the concentration of reactants and products are not
changing - ANSWER What is/are true about a reaction mixture
at equilibrium?


rate=k[R][S] - ANSWER 1) R + S -> W + T slow


2) R + T -> W fast


2R + S 2W overall


What is the rate law for the reaction?


left; more yellow - ANSWER 2CrO42-(aq, yellow) + 2 H3O+(aq) =
Cr2O72-(aq, orange) + 3H2O(l)