皮皮学,免费搜题
登录
搜题
【单选题】
将一定量 KClO 3 加热后,其质量减少 0.48g,生成的O 2 用排水集气法收集。若温度为 294K,压力为 99591.8Pa,水的饱和蒸气压为 2479.8Pa,氧气相对分子质量为 32.0,则收集的气体体积为( )。
A.
188.5  ml
B.
754ml
C.
565.5ml
D.
377.0ml
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】Flash floods are (1) . The other type are the big, slow floods that rise over a long period of time. There’s usually plenty of warning. As more and more rain falls, the water (2) , and floods graduall...
【简答题】冰河属于 _________型木马,________端主动打开端口。
【单选题】外周神经系统从解剖上分包括( )。
A.
交感神经和副交感神经
B.
躯体神经系统和自主神经系统
C.
1 2对脑神经和31对脊神经
D.
脊神经和自主神经系统
【单选题】Which of the following type of family is not divided by class in America?
A.
upper-class families
B.
middle-class families
C.
DINK families
D.
working-class families
【多选题】在以下恶意代码中,不属于远程控制型木马的是:
A.
PCAnyWhere
B.
灰鸽子
C.
自由门
D.
冰河
E.
上兴
F.
PCShare
【判断题】自主神经系统包括交感神经和副交感神经,主要功能是调节内脏活动。 (    )
A.
正确
B.
错误
【简答题】Please write a summary of your spots . Your summary should include all the spots concerning both the changes and problems in the current American society. You can start like this: The past thirty ...
【简答题】In America, a (type) pattern is for the listener to signal that he is paying attention by looking at the speaker's mouth or eyes.
【单选题】______________ is a type of writing that was popular in the late 19th century America with“such quality of texture and background that it could not have been written in any other place or by anyone e...
A.
Imagism
B.
Puritan literature
C.
Realism
D.
Local Colorism
【简答题】当情绪产生时,将引起自主神经系统的反应。自主神经系统包括交感神经系统和副交感神经系统,交感神经系统引起 活动,副交感神经系统引起 活动;
相关题目: