What is the enthalpy change for this reaction per mole of O3(g)?   

 

Quiz 6 Problem 5.41 Problem 5.41 Assignments Ozone, Os(g), is a form of elemental oxygen that is important in the absorption of ultraviolet radiation in the stratosphere. It decomposes to O(g) at room temperature and pressure according to the following reaction: 20s (g) 302(g) AH = -284.6 kJ Part A What is the enthalpy change for this reaction per mole of O(g)? Express your answer to four significant figures and include the appropriate units. session.masteringchemistry.com Value Units Submit My Answers Give Up CO ? Incorrect; Try Again; 4 attempts remaining Your answer does not have the correct dimensions Part B Which has the higher enthalpy under these conditions. 2 0; (g) or 3 0: (g)? dedimit 20 (9) has the higher enthalpy 30; (g) has the higher enthalpy My Answers Give Up Correct