PLEASE HELP TIMED TEST Part 1: Does the diagram illustrate an endothermic or an exothermic reaction? Give
reasons in support of your answer.
Part 2: Describe how you can determine the total change in enthalpy and activation
energy from the diagram and if each is positive or negative.

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.