皮皮学，免费搜题
登录
搜题
【单选题】
在298 K、100 kPa时，已知： 2H 2 O(g)=O 2 (g)+2H 2 (g) △H1 Cl 2 (g)+H 2 (g)=2HCl(g) △H2 2Cl 2 (g)+2H 2 O(g)=4HCl(g)+O 2 (g) △H3 则△H1与△H2和△H3间的关系正确的是 [ ]A.
△H3=△H1+2△H2
B.
△H3=△H1+△H2
C.
△H3=△H1-2△H2
D.
△H3=△H1-△H2
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
【单选题】A) She has got a job offer. B) She has got a promotion. C) Her company has launched a new product. D) Her company has received a big order.
A.
B.
C.
D.
D
【多选题】高压互锁回路设计的目的:
A.
整车在高压上电前确保整个高压系统的完整性，使高压处于一个封闭环境下工作提高安 全性
B.
当整车在运行过程中高压系统回路断开的时候，需启动安全防护
C.
防止带电插拔高压连接器给高压端子造成的拉弧损坏
D.
当整车在运行过程中高压系统完整性受到破坏的时候，需启动安全防护
【单选题】What does the speaker claim her company has been doing?
A.
Examining several different types of servers
B.
Having its technology department work overtime
C.
Upgrading its entire technology infrastructure
D.
Getting estimates from different computer vendors
【简答题】两个物种彼此间有直接的营养物质交流，一个物种对另一个物种的生长有促进作用，这种相互有利的关系叫__________。
【单选题】依据《公司法》规定,华强股份有限公司的创立大会在通过公司章程并选举董事会和监事会后,然后由哪一个机构或个人向公司登记机关报送设立公司的各项文件,申请登记?( )
A.
董事会
B.
监事会
C.
全体股东指定的代表
D.
全体股东共同委托的代理人
【单选题】Section B Conversation 1 6. A) she has got a job offer C) Her company has launched a new product B)She has got a promotion D) Her company has received a big order
A.
1
B.
2
C.
3
D.
4
【单选题】下列有关压电式传感器的描述不正确的是()。
A.
压电片串联方式下输出电压为单片电压的n倍
B.
压电片并联方式下输出电荷量为单片电荷量的n倍
C.
压电片串联方式下输出电压与单片电压相等
D.
压电片并联方式适于测量缓变信号
【简答题】Conversation 1 6. A) She has got a job offer. B) She has got a promotion. C) Her company has launched a new product. D) Her company has received a big order. 7. A) Buying a birthday gift. B) Watching ...
【单选题】Her company has ________ from a hobby into a successful business.
A.
flourished
B.
flowered
C.
flowed
D.
flooded
相关题目：
参考解析：
知识点：
题目纠错 0
发布
