皮皮学，免费搜题
登录
搜题
【单选题】
已知某反应aA(g) +bB(g) cC(g) ΔH ='Q' 在密闭容器中进行，在不同温度（T1 和T2 ）及压强（P1 和P2 ）下，混合气体中B的质量分数w(B)与反应时间（t）的关系如图所示，下列判断正确的是A.
T1＜T2， P1＜P2 ，a+b＞c ，Q＞0
B.
T1＞T2 ，P1＜P2 ，a+b＜c ，Q＜0
C.
T1＜T2 ，P1＞P2 ，a+b＜c， Q＞0 D. T1＜T2 ，P1＞P2 ，a+b＞c ，Q＜0
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】请提交一份大学生膳食调查表 要求: 1.24h膳食情况 2.调查对象:在校大学生 3.提交调查表图片 4.记录清晰、完整、项目齐全。
【简答题】T: Good morning, sir. May I help you? P: Yes, I want to __________________ to an earlier train. T: Please hold on a moment, I will check whether the earlier train still________________. P: Sure. T: Yo...
【单选题】----I'm sorry for being late. I wanted to be here earlier, but the traffic was too heavy. ----____. Please take your seat.
A.
Never mind
B.
Sounds great
C.
That's right
D.
Glad to hear that
【单选题】根据蛋白质所含必需氨基酸的种类、数量及比值进行的分类, 含有的必需氨基酸种类齐全、数量充足、比例适当,不仅能维持人体的生命和健康,而且促进儿童的生长发育。属于最优质的蛋白质是:(请选A)
A.
完全蛋白质
B.
半完全蛋白质
C.
不完全蛋白质
【单选题】Please here earlier! We don’t want to miss the last bus to the library.
A.
arrive
B.
to arrive
C.
arriving
【单选题】—I'm sorry for being late. I wanted to be here earlier, but the traffic was too heavy. —________. Please take your seat. [ ]
A.
Never mind
B.
That's right
C.
Thank you
D.
Glad to hear that
【简答题】听句子，选择正确的答语。 ( )1.A.Yes, please. B.Ok, I know. C.It doesn't matter, but come earlier next time. ( )2.A.Good idea B.Thank you very much C.All right ( )3.A.It's delicious B.I like dumplings ...
【简答题】— OK. We'll stop here. Have a break, please. — ( 1 ) , Mr. Liu. ( 2 ) . ( 真对不起,我上一节课迟到了 ). ( 3 ) ( 我真不是故意的 ). — ( 4 ) . But be earlier next time. A. Don ’ t blame yourself. B. It doesn't matter. C....
【简答题】听力原文：Man: John Woods here, phoning about the project we discussed earlier. Could you give me a ring so that we can talk about it a bit more? I've done a few calculations and I'm beginning to wonder wh...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
