皮皮学,免费搜题
登录
搜题
【单选题】
作为zigbee技术的物理层和媒体接入层的标准协议是()
A.
IEEE802.15.4
B.
IEEE802.11b
C.
IEEE802.11a
D.
IEEE802.12
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
【单选题】相邻两条等高线之间的高差称为( )
A.
等高线
B.
等高距
C.
等高线平距
【单选题】在simtrade里,在哪里查询签约时的汇率?
A.
百度谷歌等搜索引擎
B.
帮助菜单
C.
银行
D.
市场
【简答题】3–15 A piston–cylinder device initially contains 50 L of liquid water at 40°C and 200 kPa. Heat is transferred to the water at constant pressure until the entire liquid is vaporized. (a) What is the m...
【简答题】Find the entropy change of the system and of the surroundings if 3.000 mol of water freezes reversibly at 1.000 bar. The freezing temperature is 0.00°C at this pressure, and the specific enthalpy chan...
【单选题】“银发”旅游市场的细分标准是( )。
A.
气候
B.
人口因素
C.
地区
D.
城市规模家庭生命周期
【单选题】Under the conditions existing in biological systems (including constant temperature and pressure), changes in free energy, enthalpy, and entropy are related to each other quantitatively by the equatio...
A.
△ H – T ÷ △ S
B.
△ H – T △ S
C.
△ S – T ÷ △H
D.
△ S – T △ H
【单选题】《论气节》中,谁提倡 “浩然正气”?
A.
孔子
B.
老子
C.
庄子
D.
孟子
【判断题】新功能起源的基本方式有功能强化和功能扩大。
A.
正确
B.
错误
【单选题】The table shows the enthalpy change of neutralisation per mole of water formed, ∆H, for various acids and bases.
A.
B.
C.
‘’
D.
【】
【单选题】Hydrogen peroxide slowly decomposes into water and oxygen. The enthalpy change of reaction can be calculated using standard enthalpies of formation.
A.
B.
‘’
C.
D.
相关题目: