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C3H8(g)+5O2(g)=3CO2(g)+4H2O(g) ΔH= -a kj·mol2C3H8(g)+9O2(g)=4CO2(g)+2CO(g)+8H2O(l) ΔH= -c kj·mol 为什么c比a大呢可是液态水能量不是比气态水低吗 而且反应二虽然是2倍丙烷 可是它的反应物多了一氧化碳啊 第四小题啊啊啊啊啊啊 1.I wish I_(be) a bird is we had flood here2.Xiao Ming would rather listen to the radio than _(watch) the football match3.We prefer _(watch)TV at home to going out for a walk4.My plan is _(travel)all over the world5.We hope that the foreigner _(give) 圆的所有性质 圆的性质都有那些?需要一些定理,全面一点 粤语说黎迟咗就唔七等你嘎啦!"...是什么意思? Probiotic (益生菌) yoghurt and yoghurt drinks may not be as healthy as they are claimed to be.The European Food Safety Authority (FESA) has found that there is not enough evidence that these products have a positive effect on the immune system and 高二英语填空, 圆的性质都有哪些?关于弦,切线的性质 3dmax如何知道物体是赋的哪个材质就是我选择一个物体后,通过什么方法可以知道它所赋的材质对应的材质球,（吸管吸的那个方法除外）. 某工厂工人经过第一次改进工作方法,每人每天平均加工的零件数比原来多10个,因而每人在8天内加工了200个以上的零件；第二次改进工作方法,每人每天比第一次改进方法后又多做了27个零件, Dnf技能扩展 dnf技能类型扩展卷意思我知道,但是我想问的是,现在我的点是一半刷图一半PK,使用了之后是不是两个技能栏都洗点了.否则的话岂不是又要买洗点水,加起来还不100块? DNF买了技能扩展卷的进买了技能扩展卷是否把两个类型的技能点都重置? 语文综合性实践活动,使我们开拓了视野,增强了能力这句话对吗 1.I was under the m( ) impression that they are Japanese.But in fact,they are Chinese2.We elected Jane as the leader because she keeps calm and resourceful in an e( )3.A( ) of robbing a bank,they were brought to court4.Little Timmy is a g( ) boy;he c 1.Hurry up!Your name _____already _(call)2.The concert __(last) two hours and a half last night3.The workers ___(crowd) into one small room by the boss that day4.This medicine ,___(contain) different kinds of vitamins ,does a lot of good to our healt [edition process chief reporter guilt acquire course section occupation department approve ]用括弧里的填空1.Before he became the ___editor of the newspaper he was a journalist.2.I often read the electronic ___of Shenzhen Daily on the Internet 圆形的性质 广东话《唔好中意类》是什么意思, 广东话 唔通连个天到唔中意我 什么意思 语言学中的音素,音位分别指什么,请举例说明. 想增大自己的力量应该怎么办 数学怎么写啊啊啊啊啊 高二英语一道选词填空的题cheek , touch , represent , punish , action , approach , chest , misunderstand , curious , agreement , express , general When you learn another language,you have to learn what people from another culture mean w 销声匿迹这个成语的意思 像销声匿迹的成语照样子写成语.销声匿迹 一个知识不健全的人可以用道德去弥补,而一个道德不健全的人却难于用知识去弥补.撒意思? ~啊啊啊啊啊啊啊啊填空题七年级 6～8填空题来大神啊啊啊啊啊数学 一个知识不全的人可以用道德去弥补,而一个道德不全的人却难以用知识去弥补.但丁说的这句话是什么意思? 仿写句子 一个知识不全的人可以用道德来弥补,而一个道德不全的人却无法用知识来