皮皮学，免费搜题
登录
搜题
【单选题】
1 mol 双原子理想气体由始态 370 K 、 100 kPa 分别经1恒压过程和2恒容过程加热到 473 K ,则在1、2两个过程中下列物理量的关系是: Q 1 ( ) Q 2 。A.
>
B.
<
C.
=
D.
不能确定
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】求函数f（x）= sin 2 x+cos 2 x+ sin2x， （1）求f（x）的周期与值域； （2）求f（x）在[0，π]上的单调递减区间。
【简答题】Studies show that children who eat breakfast do better in school. It doesn’t take much further thought to know that s will feel better and do better at work as well. Whether you work at home, on ...
【单选题】Thinner isn t always better. A number of studies have【C1】______that normal-weight people are in fact at higher risk of some diseases compared to those who are overweight. And there are health conditio...
A.
denied
B.
concluded
C.
doubted
D.
ensured
【简答题】眉梢的位置是____
【简答题】Thinner isn’t always better. A number of studies have __1___ that normal-weight people are in fact at higher risk of some diseases compared to those who are overweight. And there are health conditions...
【单选题】小明做分析实验时,称了 0.0204g 的苯甲酸样品,准备用紫外可见分光光度计测定其含量。按照分析方法的原理来分,本次分析属于
A.
常量分析
B.
半微量分析
C.
化学分析
D.
仪器分析
【单选题】小明做分析实验时,称了 0.0204g 的苯甲酸样品,准备用紫外可见分光光度计测定其含量。按照试样的用量来分,本次分析属于
A.
常量分析
B.
半微量分析
C.
化学分析
D.
仪器分析
相关题目：
参考解析：
知识点：
题目纠错 0
发布
