問題詳情

27. At 298 K and 101 kPa, 2

. Atthe same temperature and pressure, 2 moles of SO2 and 1 mole of O2 are introducedinto a closed container, and when equilibrium is reached, the amount of heat givenoff is Q1. If I mole of SO2, 0.5 mole of O2 and 1 mole of SO3 are introduced into acontainer of the same volume, and the amount of heat given off at equilibrium isQ2, which of the following relationships is correct?
(A) Q2 ＜Q1＜197kJ
(B) Q2＞Q1＞ 197 kJ
(C) Q2= Q1= 197 kJ
(D) Q1＜Q2＜197 kJ
(E) Q2= Q1 ＜197 kJ

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增