83966272 stry corn/myot/itemView ? assignmentProblenlD- Chapter 2 Short Anwer te

Question

83966272 stry corn/myot/itemView ? assignmentProblenlD- Chapter 2 Short Anwer tem 14 reaction 1: CO + 102-00, Item 14 O reaction 2: C+0+CO Learning Goal: Subnit M Answers Give Up To understand how to use Hess's law to fird the enthalpy of an overall reaction The change in enthalipy,AH, is the heat absorbed or produced during any reaction at constant pressure Hess's law states tat 1/foran overall reacton is the sum of the Correct AlH values for the individual reactions For example, id w wanted to know the enthalpy change for the reaction Part B What is the enthalpy for reaction 1 revened? we could calculate it uning the enthalpy values for the ollowing individual steps reaction 1 reversed CO2-Co + jo2 Express your answer numerically in killojoules per mole. Overal 3Ma +302- 3MnO If the enthalpy change is-3352 kJ/mol for step 1 and 1792 kJ/mol for step 2, then the enthalpy change for the overall "eacbon alculated as follows kJ/mol ". . 3352 + 17921560 kJ/enol Sutmit My Answers Give Up It is also impotant to note hat the change in enthalpy is a stal.rchon moanng·t is ndependent of path In other words, the sum of re H values for any set of reactions hat produce the desired product from the starting materials gves he same overall 11 Incorrect; One attempt remaining; Try Again Part c be shown afer you complete previous question(s) ip

Explanation / Answer

enthalphy of reverse rxn = - enthalphy of forward reaction
= enthalphy of CO - enthaphy of CO2
= -110.5 -(-393.5)
= 283 KJ/mol

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