您所在的当前位置：高中化学试题 >

化学反应进行的方向

> 能用能量判断下列过程的方向的是 A．水总是自发地由高处往低处流 B．有序排列的火柴散落时成为无序排列 C．放热反应容易进行，吸热反应不能自发进行 D．多次洗牌以后，扑克牌的毫无规律的混乱排列的几率大

问题：

发布时间：2024-09-11

能用能量判断下列过程的方向的是

A．水总是自发地由高处往低处流

B．有序排列的火柴散落时成为无序排列

C．放热反应容易进行，吸热反应不能自发进行

D．多次洗牌以后，扑克牌的毫无规律的混乱排列的几率大

参考答案：

提问用户：KN***tPr

可能感兴趣的题目：

1 When Mr Smith retired(退休), he bought a small 41 in a village near the sea. He 42 it and hoped to live a quiet life in this house. But to his great surprise, many tourists came to see his house in summer holidays, for it was the most 43 building in the village. From morning to night there were 44 outside the house. They kept looking into the rooms through the windows and 45 of them even went into Mr Smith’s garden. This was too much for Mr Smith. He decided to ask the visitors to 46 . So he put a notice on the window. The notice said, “If you want 47 your curiosity(好奇心)，come in and look round. Price: twenty dollars.” Mr Smith was sure that the visitors would 48 coming, but he was wrong. More and more visitors came and Mr Smith had to 49 every day showing them around his house.“I came here to 50 not to work as a guide（导游）,”he said angrily. In the end, he sold the house and moved away. 小题1: A．garden B．shop C．house D．school 小题2: A．liked B．hated C．sold D．built 小题3: A．big B．interesting C．small D．clean 小题4: A．children B．students C．parents D．tourists 小题5: A．no B．none C．many D．much 小题6: A．come B．leave C．stay D．play 小题7: A．to satisfy B．satisfy C．to satisfying D．satisfying 小题8: A．go on B．stop C．continue D．not 小题9: A．take B．cost C．spend D．pay 小题10: A．play B．work C．watch D．retire
2 —Can I have ________ apple? —Oh, your sister has just had it. A．another　　　 B．other　　　　　　 C．one more D．the other
3 西亚的居民大多信奉的宗教是 A.伊斯兰教 B.基督教 C.佛教 D.犹太教
4 Some children want to challenge themselves by learning a language different from ______ their parents speak at home. A．what B．that C．which D．one
5 一个物体做匀变速直线运动，某时刻速度为v 1=4m/s，2s后速度大小变10m/s，在这2s内物体的加速度可能等于（　　） A．3m/s2 B．6m/s2 C．-7m/s2 D．7m/s2
6 下面是一道选择题的两种解法，两种解法看似都对，可结果并不一致，问题出在哪儿？ [题]在△ABC中，a=x，b=2，B=45°，若△ABC有两解，则x的取值范围是（　　） A．（2，+∞）B．（0，2）C. (2， 2 2 )D. ( 2 ， 2) [解法1]△ABC有两解，asinB＜b＜a，xsin45°＜2＜x，即 2＜x＜2 2 ，故选C． [解法2] a sinA = b sinB ， sinA= asinB b = xsin45° 2 = 2 x 4 ． △ABC有两解，bsinA＜a＜b， 2× 2 x 4 ＜x＜2，即0＜x＜2，故选B．你认为______是正确的（填“解法1”或“解法2”）
7 下列各图所示实验，表示通电导体周围存在磁场的是 A. B. C. D.
8 在制作人的口腔上皮细胞的装片时，需要往载玻片上滴加 A.清水 B.0.9%的生理盐水 C.9%的生理盐水 D.碘液
9 如果函数y=ax 2+bx+a的图象与x轴有两上交点，则点（a，b）在aOb平面上的区域（不包含边界）为 [ ] A、 B、 C、 D、
10 读下图“某城市交通线路分布”，回答小题。小题1:图中各点按其地租排序，正确的是（） A．Ａ＞Ｃ＞Ｇ B．E＞F＞G C．Ａ＞M＞D D．Ｍ＞Ｎ＞Ｇ小题2:该城市中心附近偶见住宅，原因是( ) A．市中心地理位置好，适宜建设高级住宅区 B．居住在市中心既方便上下班，又方便购物 C．市中心租金较高，住宅的付租能力最高 D．市中心某些地段远离公路，交通不便