题干

一定量的理想气体从状态a开始,经历三个过程ab、bc、ca回到原状态,其p﹣T图象如图所示,下列判断正确的是(   )

A:过程bc中气体既不吸热也不放热

B:过程ab中气体一定吸热

C:过程ca中外界对气体所做的功等于气体所放的热

D:a、b和c三个状态中,状态a分子的平均动能最小

E:b和c两个状态中,容器壁单位面积单位时间内受到气体分子撞击的次数不同

上一题 下一题 0.0难度 选择题 更新时间:2016-01-18 09:02:58

答案(点此获取答案解析)

B,D,E

同类题1

阅读理解

    Cruising(乘船游览)with children has never been more

    Cruising,with free parking,has never been more popular with families with children.It is an ideal family holiday —once you are on board the kids will have so much to do you may not see them at all!

    With fantastic children's clubs and a play area for under 2 years old,to circus skills school on top deck,Rock School,where teens can play guitar,and Noddy and Mr.Bump from the Mr.Men Show are regular visitors.With superliners created with enjoyment and comfort in mind why not take the stress out of your next family holiday.

    Sail from UK in 2011 with free parking

    Sailing from Southampton has never been better value with free parking on selected sailings,saving you up to an extra £200 off your holiday.Why not sail from Southampton in 2011 to a great range of.classic and impressive destinations.

    The sales continues more benefits added

    The P&O Cruises sale has been extended!Book before 28th February and you can save up to £2,500 and receive up to £960 free on board spend PLUS,you can now receive free car parking on selected sailings.Do as much or as little as you desire,with P&O—you make all the choices!

    Get more from your holidays—free hotel stays

    Looking for something a bit different?Why not try a cruise with a pre- or post-cruise stay. Spend a day or two in fantastic cities.Tour the St Peters Basilica in Rome,wander around Sagrada Família in Barcelona or wander the beach front of Miami.Best of all,this won't cost you a penny!