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estimate the gas phase enthalpy ighment-take Use the References to access import

ID: 548966 • Letter: E

Question

estimate the gas phase enthalpy ighment-take Use the References to access important values if needed for this question For the reaction below ed a. Estimate the gas phase enthalpy change using bond dissociation enthalpies from the OWL Table Reference, not data from your text. Click the References button and then click the Tables link on the drop-down that appears. Include algebraic sign and units. b. Is the reaction exothermic or endothermic? c. Is the reaction likely to proceed spontaneously in the direction written? Submit AnswerRetry Entire Group 1 more aroup attempt remaining

Explanation / Answer

a) DHrXN = DH0d,C-C + DH0d,O-O + 2*DH0f,C-O

        = 1*346+1*146+2*(-358)

        = -224 kj/mol

b) as DHrxn = -ve, it is exothermic reaction.

c) as it is exothermic reaction proceed spontaneously,

    answer: yes